From patchwork Mon Dec 20 21:18:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696885 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9A5D7C433EF for ; Mon, 20 Dec 2021 21:20:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pOV1Z2SLnBWehyA7TLv/Z3Uqp8OlkdbvxZG6sdXJx8w=; b=lkYpSB4xd0MSPG ySkdDncrGl8dOPKBdo+3xlUstDvvrbOCIzNZLI/oaa5mpE8PY229zcLzrPqVHmSQxIzijq2OF7MAv TCLa5uNYf40OdRqN3UYEYsM1g+C3ZX1sOsqMEziCdcZtvNxFcpH53ypwqhv3OvjynujooIfdvzfnK UV/CyT2Tj6khURQ4XMw2At9mH34Qc63ES4KJbUgTAYjXg9z6kVFlH6b0dCG5Zkm1zv9yoyahQt+tU DyYLSLafSc2+fuqmp4K1uSpDNLDw89eq14V/DsTpaNrOGmx86shagnB5PkG2EiQ0AB8BmaJ552X/D B3xlwWX4gWzfrV9vXfGg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ3q-004OrA-KZ; Mon, 20 Dec 2021 21:19:10 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ3m-004OpV-NE for linux-arm-kernel@lists.infradead.org; Mon, 20 Dec 2021 21:19:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=rUR4T59zgk9unsHq9DSS81YlucLDE0VHV2qTQPF4oEk=; b=bGtP/Rmeshol6YGfEqJJbwruCZ s+oB4r8bEaILorwm2Jhzhc1Z0P7VhdiK/jZPXAS7YY4kq2AhV25Tt7bugCbW6tyErJ4Q93EI+zQkz T3rITYeyRaxgQM0zoqLZ5Sckc8GS7E9RsuXEyriGP9Tg1O2JE0AoFDXcmONZljPFfhmE=; Received: from p54ae911a.dip0.t-ipconnect.de ([84.174.145.26] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mzQ3i-0000zo-6e; Mon, 20 Dec 2021 22:19:02 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring Cc: john@phrozen.org, Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 01/14] dt-bindings: Add vendor prefix for Airoha Date: Mon, 20 Dec 2021 22:18:41 +0100 Message-Id: <20211220211854.89452-2-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_131907_004859_574E27DC X-CRM114-Status: UNSURE ( 8.37 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Add vendor prefix "airoha" for Airoha, a subsidiary of MediaTek Acked-by: Rob Herring Signed-off-by: John Crispin Signed-off-by: Bert Vermeulen Signed-off-by: Felix Fietkau --- Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 66d6432fd781..025df36aee5f 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -59,6 +59,8 @@ patternProperties: description: Aeroflex Gaisler AB "^aesop,.*": description: AESOP Embedded Forum + "^airoha,.*": + description: Airoha "^al,.*": description: Annapurna Labs "^alcatel,.*": From patchwork Mon Dec 20 21:18:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696887 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 47F01C433F5 for ; Mon, 20 Dec 2021 21:20:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ttmRQKHeyuEiHfTyVFNaLO3cE51TDENWwrioFPVbH58=; b=RDpY0rqgDz9O07 KS7RDg+rjjqu8mPha4zeejQqAn8P1qujfTvfVGfjmSPztxiwjuvLXxwnlEOxhf0xqb8c8nQVQUiFW z21gKPoBSAP+xhhuhP6zKJeY6Ix2DIPm1BOp1mEsbYUzr7PNKLSPmUb02dajzCYoB4TGjkt6auT42 Txg6cBKG3SWykQ/x+OBgC2R1Z7mx0+qGtUT5RMpdprr1lmVBamM/ZkNraDy6PcHgT6ORPaBT7RuNR 6s2dWYzummB0Kt0/yMsKk+v8g3kODIG+gjnyp/JQWuBSiYVHUD8eDeTCdhpsqFjibnQjL6PTwRHBT waUjzcJNPjajHgtT+w9g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ4B-004Oyz-CP; Mon, 20 Dec 2021 21:19:31 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ3n-004OpX-NQ for linux-arm-kernel@lists.infradead.org; Mon, 20 Dec 2021 21:19:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=nUSlPxq9cI8SGtTbOTGvLmDhrd4m3sHfyKCnFvnVWTA=; b=h98fRd6YyCLv9STOclmKGG3uOa en+ASUWyHZG8yvHaeFuYMcmEZ3ztD39M5KBi+Le3cYr7UuIwAFG3PULAqLXmvQmS1cEG/bEFVA3Xs DCzwGZHx/pSe3A+oZGiagwykQGyeSS92SEjZUO9xagawLeKo5Hyl2zDs5G91/bUnKo9s=; Received: from p54ae911a.dip0.t-ipconnect.de ([84.174.145.26] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mzQ3j-0000zo-3N; Mon, 20 Dec 2021 22:19:03 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring , John Crispin Cc: Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 02/14] dt-bindings: arm: airoha: Add binding for EN7523 SoC and EVB Date: Mon, 20 Dec 2021 22:18:42 +0100 Message-Id: <20211220211854.89452-3-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_131907_963463_ACC74746 X-CRM114-Status: GOOD ( 11.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Add devicetree binding for Airoha EN7523 SoC and evaluation board. Reviewed-by: Rob Herring Signed-off-by: John Crispin Signed-off-by: Bert Vermeulen Signed-off-by: Felix Fietkau --- .../devicetree/bindings/arm/airoha.yaml | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/airoha.yaml diff --git a/Documentation/devicetree/bindings/arm/airoha.yaml b/Documentation/devicetree/bindings/arm/airoha.yaml new file mode 100644 index 000000000000..fc19b1a6f37b --- /dev/null +++ b/Documentation/devicetree/bindings/arm/airoha.yaml @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/airoha.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Airoha SoC based Platforms Device Tree Bindings + +maintainers: + - Felix Fietkau + - John Crispin + +description: + Boards with an Airoha SoC shall have the following properties. + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - items: + - enum: + - airoha,en7523-evb + - const: airoha,en7523 + +additionalProperties: true + +... From patchwork Mon Dec 20 21:18:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696888 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5772EC433F5 for ; Mon, 20 Dec 2021 21:21:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2wYqjlFt3prJe68GylROWhAA0g3dyKcLhlKbzh+BnkQ=; b=eF0rCP7rwvH4Tk kyPnRkBcvNhdTVYU3mgIqj4CO7qekaiqPifVD/TRuEpSHvNmQs72Lm/rhi7cs26A69kyEkaNhG5cN EMHi0KnMLGEiTvxfRW0ARqcfK+5If1X8k+tgj0MsJCm8aLONVUT3UNBXGhZD5Cc9ikbWA5ozeMAW3 CmxLJaNLvh5gUytCcmygkcBh4GxZphyT1XeyfzQNm2SMTWyRx0pOfzgzxHxCyBP9n3Z/9TQWigJ/N ylHavJCWluP9JtVXvSEM1o0Dd59q0VR4L/nfJeTTAccH0NL0zYiaK/TqPuZPq0MNHLIz3UlW42kOZ 4j+VL85Jl/0c732CTkXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ4L-004P2q-V2; Mon, 20 Dec 2021 21:19:42 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ3o-004Opb-01 for linux-arm-kernel@lists.infradead.org; Mon, 20 Dec 2021 21:19:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=tD9CI1ljC0qMo1T3+YTMsqBhl1KKMLYFM/R3UrQakEM=; b=TcGe6Wr8MEP+NoroslKhfqKR1B zXfg+nUtneCKO3ZgYmEbGIf4jQ34BD1YvyKNK35+xDjB3co+w95KzUf+RZ43plwRtpkA6kFOAAFao UbIHudR7a8OjSIzG/Svuki7eJDu/P/bLXth4H+rNv+DCVW5C1JtrFbDzxuFaTgz+ysNo=; Received: from p54ae911a.dip0.t-ipconnect.de ([84.174.145.26] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mzQ3k-0000zo-Co; Mon, 20 Dec 2021 22:19:04 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring Cc: john@phrozen.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 03/14] ARM: dts: Add basic support for Airoha EN7523 Date: Mon, 20 Dec 2021 22:18:43 +0100 Message-Id: <20211220211854.89452-4-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_131908_273543_DB990AEF X-CRM114-Status: GOOD ( 15.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Add basic support for Airoha EN7523, enough for booting to console. The UART is basically 8250-compatible, except for the clock selection. A clock-frequency value is synthesized to get this to run at 115200 bps. Signed-off-by: John Crispin Signed-off-by: Bert Vermeulen Signed-off-by: Felix Fietkau --- arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/en7523-evb.dts | 27 ++++++++ arch/arm/boot/dts/en7523.dtsi | 114 +++++++++++++++++++++++++++++++ 3 files changed, 143 insertions(+) create mode 100644 arch/arm/boot/dts/en7523-evb.dts create mode 100644 arch/arm/boot/dts/en7523.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 0de64f237cd8..81cb49f8d6fd 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -186,6 +186,8 @@ dtb-$(CONFIG_ARCH_DAVINCI) += \ da850-lego-ev3.dtb dtb-$(CONFIG_ARCH_DIGICOLOR) += \ cx92755_equinox.dtb +dtb-$(CONFIG_ARCH_AIROHA) += \ + en7523-evb.dtb dtb-$(CONFIG_ARCH_EXYNOS3) += \ exynos3250-artik5-eval.dtb \ exynos3250-monk.dtb \ diff --git a/arch/arm/boot/dts/en7523-evb.dts b/arch/arm/boot/dts/en7523-evb.dts new file mode 100644 index 000000000000..69754ef9a628 --- /dev/null +++ b/arch/arm/boot/dts/en7523-evb.dts @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/dts-v1/; + +/* Bootloader installs ATF here */ +/memreserve/ 0x80000000 0x200000; + +#include "en7523.dtsi" + +/ { + model = "Airoha EN7523 Evaluation Board"; + compatible = "airoha,en7523-evb", "airoha,en7523"; + + aliases { + serial0 = &uart1; + }; + + chosen { + bootargs = "console=ttyS0,115200 earlycon"; + stdout-path = "serial0:115200n8"; + linux,usable-memory-range = <0x80200000 0x1fe00000>; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x20000000>; + }; +}; diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi new file mode 100644 index 000000000000..7e17311a3f90 --- /dev/null +++ b/arch/arm/boot/dts/en7523.dtsi @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) + +#include +#include + +/ { + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <1>; + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + npu_binary@84000000 { + no-map; + reg = <0x84000000 0xA00000>; + }; + + npu_flag@84B0000 { + no-map; + reg = <0x84B00000 0x100000>; + }; + + npu_pkt@85000000 { + no-map; + reg = <0x85000000 0x1A00000>; + }; + + npu_phyaddr@86B00000 { + no-map; + reg = <0x86B00000 0x100000>; + }; + + npu_rxdesc@86D00000 { + no-map; + reg = <0x86D00000 0x100000>; + }; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0>; + }; + core1 { + cpu = <&cpu1>; + }; + }; + }; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0>; + enable-method = "psci"; + clock-frequency = <80000000>; + next-level-cache = <&L2_0>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x1>; + enable-method = "psci"; + clock-frequency = <80000000>; + next-level-cache = <&L2_0>; + }; + + L2_0: l2-cache0 { + compatible = "cache"; + }; + }; + + gic: interrupt-controller@9000000 { + compatible = "arm,gic-v3"; + interrupt-controller; + #interrupt-cells = <3>; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x09000000 0x20000>, <0x09080000 0x80000>; + interrupts = ; + }; + + timer { + compatible = "arm,armv7-timer"; + interrupt-parent = <&gic>; + interrupts = , + , + , + ; + clock-frequency = <25000000>; + }; + + uart1: serial@1fbf0000 { + compatible = "ns16550"; + reg = <0x1fbf0000 0x30>; + reg-io-width = <4>; + reg-shift = <2>; + interrupts = ; + clock-frequency = <1843200>; + status = "okay"; + }; +}; From patchwork Mon Dec 20 21:18:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696892 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5ECD8C433F5 for ; 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Mon, 20 Dec 2021 22:19:05 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Russell King Cc: john@phrozen.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 04/14] ARM: Add basic support for Airoha EN7523 SoC Date: Mon, 20 Dec 2021 22:18:44 +0100 Message-Id: <20211220211854.89452-5-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_131913_712528_79CD7A6C X-CRM114-Status: GOOD ( 10.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin EN7523 is an armv8 based silicon used inside broadband access type devices such as xPON and xDSL. It shares various silicon blocks with MediaTek silicon such as the MT7622. Signed-off-by: John Crispin Signed-off-by: Bert Vermeulen Signed-off-by: Felix Fietkau --- arch/arm/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f0f9e8bec83a..8dcd05ef31cc 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -573,6 +573,18 @@ config ARCH_VIRT select HAVE_ARM_ARCH_TIMER select ARCH_SUPPORTS_BIG_ENDIAN +config ARCH_AIROHA + bool "Airoha SoC Support" + depends on ARCH_MULTI_V7 + select ARM_AMBA + select ARM_GIC + select ARM_GIC_V3 + select ARM_PSCI + select HAVE_ARM_ARCH_TIMER + select COMMON_CLK + help + Support for Airoha EN7523 SoCs + # # This is sorted alphabetically by mach-* pathname. However, plat-* # Kconfigs may be included either alphabetically (according to the From patchwork Mon Dec 20 21:18:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696893 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 44AC3C433EF for ; Mon, 20 Dec 2021 21:22:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9Z8K3lx5gKxo8NuCJC3Q5yV2LdrrdRR1NEQKpVJFZa8=; b=EwqPWLXZHievf5 Het+ZUwlQ+OHiZ2gR7gFVVn0UlOdqY0CrMlQ2yDstUmdg0X0nNxZIIRoz59CKEzfMERyd1Aa3jelc OeP2ctEumlHgauLKviiJhKwt6N5RbCeYdlyReMPdKEzw4QexnYq+6DE4s4Ed5qP5tksgLs8KsQVnX 3nT8ZgoBK4Xn0x0q7FkfzEzVFqReYTExjVwEnO5E+USCjdljH3/ryTqxJFBT9nxJBw5ErjtXsHA66 ndq3XBIfskOAalgmbrmcGjdkZejHsobeldKcf3uZBpDeAzBece+4dVcaq7B8HlaRyj+MT2xsor+tA uhOH1fc5YNqahHbz491g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ5b-004Pjj-Dl; Mon, 20 Dec 2021 21:20:59 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ3v-004Osk-LB for linux-arm-kernel@lists.infradead.org; Mon, 20 Dec 2021 21:19:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=lEOShwkUyEihhUxlfXjQ+VNLvYcECjLVVpgUGGz49Ow=; b=h6mIkbEtPbGukEq10RAA6yZckj bfSjd9sWNvBEluGqMij2WfjoSox5Uufz609gfteFgXhWO7c6UR2U+BQWf41Vs2QllplGutB1UBov9 RV/jMz6DDxL/hvMdjX+A3/O2/08J6+SsfyaX7pOt0l+Yne16on2534Yp1FJh6bjkjGxo=; Received: from p54ae911a.dip0.t-ipconnect.de ([84.174.145.26] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mzQ3l-0000zo-RF; Mon, 20 Dec 2021 22:19:05 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Russell King Cc: john@phrozen.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 05/14] ARM: multi_v7_defconfig: Add support for Airoha EN7523 SoC Date: Mon, 20 Dec 2021 22:18:45 +0100 Message-Id: <20211220211854.89452-6-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_131915_878944_6B4A9D5D X-CRM114-Status: UNSURE ( 9.11 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin This enables basic bootup support for the Airoha EN7523 SoC. Signed-off-by: John Crispin Signed-off-by: Felix Fietkau --- arch/arm/configs/multi_v7_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index c951aeed2138..912b3d60325b 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -32,6 +32,7 @@ CONFIG_MACH_BERLIN_BG2=y CONFIG_MACH_BERLIN_BG2CD=y CONFIG_MACH_BERLIN_BG2Q=y CONFIG_ARCH_DIGICOLOR=y +CONFIG_ARCH_AIROHA=y CONFIG_ARCH_EXYNOS=y CONFIG_ARCH_HIGHBANK=y CONFIG_ARCH_HISI=y From patchwork Mon Dec 20 21:18:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696889 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CBF05C433F5 for ; Mon, 20 Dec 2021 21:21:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2W0XYqOq4D9hoFJ4fF4q4RR/P5Eei84TcaWe8aRxs+c=; b=PpiamZC6neACX9 olHRew2ITlIeqd1DyPLhnD6kecGsdV4d10yPXMpyyCoGoI8QuCCOkohrhZfe95MZKAvbx8CHGQzeb 6v/5d+5isZYTVSt24fJiS7xTqDgaAIxTb1Q+Hlqny28e6cdwvsVeeO4Xu3tU3W1CzOC8yD7rxMjxS +XduAVnvHBoOGSoKFjtK4C4srBbF5FW6t1bY5rZLNqGOgcRgBhb0q6Kv0LRAPRGh34syP/KvAQSR9 72pPisPPbkL2iHZL5Os3LzUcxflH1WbLj1u8NDLW42iGXqbjYs+JYJC6WjrHknaoilRPKrDVQKovF Xtw6QzwR91YIvHeRksXA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ4X-004P6v-Q1; Mon, 20 Dec 2021 21:19:53 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ3o-004Oq9-VA for linux-arm-kernel@lists.infradead.org; Mon, 20 Dec 2021 21:19:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=tEim5RohUL9zs+9t9JXe9WqjWk4uk9j1mrxooRuiKW0=; b=iHITWSK/Z9cLBrljxTCdSAxgxZ PKIZ5j3M5atDHFY0MyNXO1I0tDnmmP0WCtQRd29ahusv9W6DoQ3RgEVjFbq/5aVrZKEYO7TuGdwR4 YN+qMPxQp/gvohJHudB+FQ4EaC+DjZyuQh8XllaEQTAXwjBvxVwn2Yq+qSzuMuu4ib2Q=; Received: from p54ae911a.dip0.t-ipconnect.de ([84.174.145.26] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mzQ3n-0000zo-07; Mon, 20 Dec 2021 22:19:07 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Michael Turquette , Stephen Boyd , Rob Herring Cc: john@phrozen.org, Rob Herring , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 06/14] dt-bindings: Add en7523-scu device tree binding documentation Date: Mon, 20 Dec 2021 22:18:46 +0100 Message-Id: <20211220211854.89452-7-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_131909_190164_8C3AC353 X-CRM114-Status: GOOD ( 14.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Adds device tree binding documentation for clocks in the EN7523 SOC. Reviewed-by: Rob Herring Signed-off-by: Felix Fietkau Signed-off-by: John Crispin Signed-off-by: Felix Fietkau --- .../bindings/clock/airoha,en7523-scu.yaml | 58 +++++++++++++++++++ include/dt-bindings/clock/en7523-clk.h | 17 ++++++ 2 files changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml create mode 100644 include/dt-bindings/clock/en7523-clk.h diff --git a/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml new file mode 100644 index 000000000000..79660f8126fa --- /dev/null +++ b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/airoha,en7523-scu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: EN7523 Clock Device Tree Bindings + +maintainers: + - Felix Fietkau + - John Crispin + +description: | + This node defines the System Control Unit of the EN7523 SoC, + a collection of registers configuring many different aspects of the SoC. + + The clock driver uses it to read and configure settings of the + PLL controller, which provides clocks for the CPU, the bus and + other SoC internal peripherals. + + Each clock is assigned an identifier and client nodes use this identifier + to specify which clock they consume. + + All these identifiers can be found in: + [1]: . + + The clocks are provided inside a system controller node. + +properties: + compatible: + items: + - const: airoha,en7523-scu + + reg: + maxItems: 2 + + "#clock-cells": + description: + The first cell indicates the clock number, see [1] for available + clocks. + const: 1 + +required: + - compatible + - reg + - '#clock-cells' + +additionalProperties: false + +examples: + - | + #include + scu: scu@1fa20000 { + compatible = "airoha,en7523-scu"; + reg = <0x1fa20000 0x400>, + <0x1fb00000 0x1000>; + #clock-cells = <1>; + }; diff --git a/include/dt-bindings/clock/en7523-clk.h b/include/dt-bindings/clock/en7523-clk.h new file mode 100644 index 000000000000..717d23a5e5ae --- /dev/null +++ b/include/dt-bindings/clock/en7523-clk.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ + +#ifndef _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ +#define _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ + +#define EN7523_CLK_GSW 0 +#define EN7523_CLK_EMI 1 +#define EN7523_CLK_BUS 2 +#define EN7523_CLK_SLIC 3 +#define EN7523_CLK_SPI 4 +#define EN7523_CLK_NPU 5 +#define EN7523_CLK_CRYPTO 6 +#define EN7523_CLK_PCIE 7 + +#define EN7523_NUM_CLOCKS 8 + +#endif /* _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ */ From patchwork Mon Dec 20 21:18:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696890 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2BA85C433F5 for ; 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Mon, 20 Dec 2021 22:19:08 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Michael Turquette , Stephen Boyd Cc: john@phrozen.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v8 07/14] clk: en7523: Add clock driver for Airoha EN7523 SoC Date: Mon, 20 Dec 2021 22:18:47 +0100 Message-Id: <20211220211854.89452-8-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_131910_821721_53A50F77 X-CRM114-Status: GOOD ( 24.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This driver only registers fixed rate clocks, since the clocks are fully initialized by the boot loader and should not be changed later, according to Airoha. Signed-off-by: Felix Fietkau --- drivers/clk/Kconfig | 9 + drivers/clk/Makefile | 1 + drivers/clk/clk-en7523.c | 350 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 360 insertions(+) create mode 100644 drivers/clk/clk-en7523.c diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index c5b3dc97396a..c973ac1a4890 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -192,6 +192,15 @@ config COMMON_CLK_CS2000_CP help If you say yes here you get support for the CS2000 clock multiplier. +config COMMON_CLK_EN7523 + bool "Clock driver for Airoha EN7523 SoC system clocks" + depends on OF + depends on ARCH_AIROHA || COMPILE_TEST + default ARCH_AIROHA + help + This driver provides the fixed clocks and gates present on Airoha + ARM silicon. + config COMMON_CLK_FSL_FLEXSPI tristate "Clock driver for FlexSPI on Layerscape SoCs" depends on ARCH_LAYERSCAPE || COMPILE_TEST diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index e42312121e51..be11d88c1603 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_COMMON_CLK_CDCE925) += clk-cdce925.o obj-$(CONFIG_ARCH_CLPS711X) += clk-clps711x.o obj-$(CONFIG_COMMON_CLK_CS2000_CP) += clk-cs2000-cp.o obj-$(CONFIG_ARCH_SPARX5) += clk-sparx5.o +obj-$(CONFIG_COMMON_CLK_EN7523) += clk-en7523.o obj-$(CONFIG_COMMON_CLK_FIXED_MMIO) += clk-fixed-mmio.o obj-$(CONFIG_COMMON_CLK_FSL_FLEXSPI) += clk-fsl-flexspi.o obj-$(CONFIG_COMMON_CLK_FSL_SAI) += clk-fsl-sai.o diff --git a/drivers/clk/clk-en7523.c b/drivers/clk/clk-en7523.c new file mode 100644 index 000000000000..0ee44f6538e6 --- /dev/null +++ b/drivers/clk/clk-en7523.c @@ -0,0 +1,350 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include +#include +#include +#include + +#define REG_PCI_CONTROL 0x88 +#define REG_PCI_CONTROL_PERSTOUT BIT(29) +#define REG_PCI_CONTROL_PERSTOUT1 BIT(26) +#define REG_PCI_CONTROL_REFCLK_EN1 BIT(22) +#define REG_GSW_CLK_DIV_SEL 0x1b4 +#define REG_EMI_CLK_DIV_SEL 0x1b8 +#define REG_BUS_CLK_DIV_SEL 0x1bc +#define REG_SPI_CLK_DIV_SEL 0x1c4 +#define REG_SPI_CLK_FREQ_SEL 0x1c8 +#define REG_NPU_CLK_DIV_SEL 0x1fc +#define REG_CRYPTO_CLKSRC 0x200 +#define REG_RESET_CONTROL 0x834 +#define REG_RESET_CONTROL_PCIEHB BIT(29) +#define REG_RESET_CONTROL_PCIE1 BIT(27) +#define REG_RESET_CONTROL_PCIE2 BIT(26) + +struct en_clk_desc { + int id; + const char *name; + u32 base_reg; + u32 base_bits; + u32 base_shift; + union { + const u32 *base_values; + u32 base_value; + }; + int n_base_values; + + u32 div_reg; + u32 div_bits; + u32 div_shift; + u32 div_val0; + u32 div_step; +}; + +struct en_clk_gate { + void __iomem *base; + struct clk_hw hw; +}; + +static const u32 gsw_base[] = { 400000000, 500000000 }; +static const u32 emi_base[] = { 333000000, 400000000 }; +static const u32 bus_base[] = { 500000000, 540000000 }; +static const u32 slic_base[] = { 100000000, 3125000 }; +static const u32 npu_base[] = { 333000000, 400000000, 500000000 }; + +static const struct en_clk_desc en7523_base_clks[] = { + { + .id = EN7523_CLK_GSW, + .name = "gsw", + + .base_reg = REG_GSW_CLK_DIV_SEL, + .base_bits = 1, + .base_shift = 8, + .base_values = gsw_base, + .n_base_values = ARRAY_SIZE(gsw_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_EMI, + .name = "emi", + + .base_reg = REG_EMI_CLK_DIV_SEL, + .base_bits = 1, + .base_shift = 8, + .base_values = emi_base, + .n_base_values = ARRAY_SIZE(emi_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_BUS, + .name = "bus", + + .base_reg = REG_BUS_CLK_DIV_SEL, + .base_bits = 1, + .base_shift = 8, + .base_values = bus_base, + .n_base_values = ARRAY_SIZE(bus_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_SLIC, + .name = "slic", + + .base_reg = REG_SPI_CLK_FREQ_SEL, + .base_bits = 1, + .base_shift = 0, + .base_values = slic_base, + .n_base_values = ARRAY_SIZE(slic_base), + + .div_reg = REG_SPI_CLK_DIV_SEL, + .div_bits = 5, + .div_shift = 24, + .div_val0 = 20, + .div_step = 2, + }, { + .id = EN7523_CLK_SPI, + .name = "spi", + + .base_reg = REG_SPI_CLK_DIV_SEL, + + .base_value = 400000000, + + .div_bits = 5, + .div_shift = 8, + .div_val0 = 40, + .div_step = 2, + }, { + .id = EN7523_CLK_NPU, + .name = "npu", + + .base_reg = REG_NPU_CLK_DIV_SEL, + .base_bits = 2, + .base_shift = 8, + .base_values = npu_base, + .n_base_values = ARRAY_SIZE(npu_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_CRYPTO, + .name = "crypto", + + .base_reg = REG_CRYPTO_CLKSRC, + .base_bits = 1, + .base_shift = 8, + .base_values = emi_base, + .n_base_values = ARRAY_SIZE(emi_base), + } +}; + +static const struct of_device_id of_match_clk_en7523[] = { + { .compatible = "airoha,en7523-scu", }, + { /* sentinel */ } +}; + +static u32 en7523_get_base_rate(void __iomem *base, int i) +{ + const struct en_clk_desc *desc = &en7523_base_clks[i]; + u32 val; + + if (!desc->base_bits) + return desc->base_value; + + val = readl(base + desc->base_reg); + val >>= desc->base_shift; + val &= (1 << desc->base_bits) - 1; + + if (val >= desc->n_base_values) + return 0; + + return desc->base_values[val]; +} + +static u32 en7523_get_div(void __iomem *base, int i) +{ + const struct en_clk_desc *desc = &en7523_base_clks[i]; + u32 reg, val; + + if (!desc->div_bits) + return 1; + + reg = desc->div_reg ? desc->div_reg : desc->base_reg; + val = readl(base + reg); + val >>= desc->div_shift; + val &= (1 << desc->div_bits) - 1; + + if (!val && desc->div_val0) + return desc->div_val0; + + return (val + 1) * desc->div_step; +} + +static int en7523_pci_is_enabled(struct clk_hw *hw) +{ + struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw); + + return !!(readl(cg->base + REG_PCI_CONTROL) & REG_PCI_CONTROL_REFCLK_EN1); +} + +static int en7523_pci_enable(struct clk_hw *hw) +{ + struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw); + void __iomem *np_base = cg->base; + u32 val, mask; + + /* Need to pull device low before reset */ + val = readl(np_base + REG_PCI_CONTROL); + val &= ~(REG_PCI_CONTROL_PERSTOUT1 | REG_PCI_CONTROL_PERSTOUT); + writel(val, np_base + REG_PCI_CONTROL); + usleep_range(1000, 2000); + + /* Enable PCIe port 1 */ + val |= REG_PCI_CONTROL_REFCLK_EN1; + writel(val, np_base + REG_PCI_CONTROL); + usleep_range(1000, 2000); + + /* Reset to default */ + val = readl(np_base + REG_RESET_CONTROL); + mask = REG_RESET_CONTROL_PCIE1 | REG_RESET_CONTROL_PCIE2 | + REG_RESET_CONTROL_PCIEHB; + writel(val & ~mask, np_base + REG_RESET_CONTROL); + usleep_range(1000, 2000); + writel(val | mask, np_base + REG_RESET_CONTROL); + msleep(100); + writel(val & ~mask, np_base + REG_RESET_CONTROL); + usleep_range(5000, 10000); + + /* Release device */ + mask = REG_PCI_CONTROL_PERSTOUT1 | REG_PCI_CONTROL_PERSTOUT; + val = readl(np_base + REG_PCI_CONTROL); + writel(val & ~mask, np_base + REG_PCI_CONTROL); + usleep_range(1000, 2000); + writel(val | mask, np_base + REG_PCI_CONTROL); + msleep(250); + + return 0; +} + +static void en7523_pci_disable(struct clk_hw *hw) +{ + struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw); + void __iomem *np_base = cg->base; + u32 val; + + val = readl(np_base + REG_PCI_CONTROL); + val &= ~REG_PCI_CONTROL_REFCLK_EN1; + writel(val, np_base + REG_PCI_CONTROL); +} + +static struct clk_hw *en7523_register_pcie_clk(struct device *dev, + void __iomem *np_base) +{ + static const struct clk_ops pcie_gate_ops = { + .is_enabled = en7523_pci_is_enabled, + .enable = en7523_pci_enable, + .disable = en7523_pci_disable, + }; + struct clk_init_data init = { + .name = "pcie", + .ops = &pcie_gate_ops, + }; + struct en_clk_gate *cg; + + cg = devm_kzalloc(dev, sizeof(*cg), GFP_KERNEL); + if (!cg) + return NULL; + + cg->base = np_base; + cg->hw.init = &init; + en7523_pci_disable(&cg->hw); + + if (clk_hw_register(NULL, &cg->hw)) + return NULL; + + return &cg->hw; +} + +static void en7523_register_clocks(struct device *dev, struct clk_hw_onecell_data *clk_data, + void __iomem *base, void __iomem *np_base) +{ + struct clk_hw *hw; + u32 rate; + int i; + + for (i = 0; i < ARRAY_SIZE(en7523_base_clks); i++) { + const struct en_clk_desc *desc = &en7523_base_clks[i]; + + rate = en7523_get_base_rate(base, i); + rate /= en7523_get_div(base, i); + + hw = clk_hw_register_fixed_rate(NULL, desc->name, NULL, 0, rate); + if (IS_ERR(hw)) { + pr_err("Failed to register clk %s: %ld\n", + desc->name, PTR_ERR(hw)); + continue; + } + + clk_data->hws[desc->id] = hw; + } + + hw = en7523_register_pcie_clk(dev, np_base); + clk_data->hws[EN7523_CLK_PCIE] = hw; + + clk_data->num = EN7523_NUM_CLOCKS; +} + +static int en7523_clk_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct clk_hw_onecell_data *clk_data; + void __iomem *base, *np_base; + int r; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + np_base = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(base)) + return PTR_ERR(np_base); + + clk_data = devm_kzalloc(&pdev->dev, + struct_size(clk_data, hws, EN7523_NUM_CLOCKS), + GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + + en7523_register_clocks(&pdev->dev, clk_data, base, np_base); + + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (r) + dev_err(&pdev->dev, + "could not register clock provider: %s: %d\n", + pdev->name, r); + + return r; +} + +static struct platform_driver clk_en7523_drv = { + .probe = en7523_clk_probe, + .driver = { + .name = "clk-en7523", + .of_match_table = of_match_clk_en7523, + }, +}; + +static int clk_en7523_init(void) +{ + return platform_driver_register(&clk_en7523_drv); +} + +arch_initcall(clk_en7523_init); From patchwork Mon Dec 20 21:18:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696891 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F27F3C433EF for ; Mon, 20 Dec 2021 21:21:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QgO7pq7x03nZqQnirVCcQLsfvDpAdIIQ+RZJLpPPPYs=; b=AzBoqK/zVpyPqt dz4ZHhJqiwVDbXvKLjifcOI8UcX/TsyjnhvWcua+2OuRQwx5FFeXJVi7dIoylYqMaOZSB/36BoKY/ tsuZigJY0bTquiKRaeNpNMCafvPKBOYQYXLVeWA9WbTBD8ZVmvAOC1F6VMZNutQjot9OEJRRdsPkh 2Zu1l4VtdkXpWFcsNN4FOq87Cp2xGNoJAFH5BbuuhYUGQjavQRZ9ZLjq9+8jMb+43JMhdt/gaZVAt 9QcjKLKXWcf0NLpKNdepbEdmtFO5T1Djk92xsE2PTcimZvv6TECTDLeJUaWmLFTsJUf0rLgcXXUFD +5232vRIkDVh3Kr0kLtA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ52-004PLo-CZ; Mon, 20 Dec 2021 21:20:24 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ3r-004OrE-Rc for linux-arm-kernel@lists.infradead.org; Mon, 20 Dec 2021 21:19:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=g3pXkM+tLeMcREG8okalcNDK14B8xjoOzYtz2KiKzEs=; b=KrM6iuPNNZ/aGtGxIiVaNMTL5/ RRSK89v49mwzPMpm5MxXfamJzWx9NIsQEmGVFznK34xQIBV14xifISQBGDp4QoVjCxp1v8BjoBAt9 /jDyvUKlxUR5nAMIbpNeZUEcpWwu20YnOLk4MDg1ONGe+z6MXlT4+IGSdHLMlcpONjDM=; Received: from p54ae911a.dip0.t-ipconnect.de ([84.174.145.26] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mzQ3p-0000zo-65; Mon, 20 Dec 2021 22:19:09 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring Cc: john@phrozen.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 08/14] ARM: dts: add clock support for Airoha EN7523 Date: Mon, 20 Dec 2021 22:18:48 +0100 Message-Id: <20211220211854.89452-9-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_131912_072768_6D6CD04F X-CRM114-Status: GOOD ( 10.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This driver only registers fixed rate clocks, since the clocks are fully initialized by the boot loader and should not be changed later, according to Airoha. Signed-off-by: Felix Fietkau --- arch/arm/boot/dts/en7523.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi index 7e17311a3f90..0148958c607b 100644 --- a/arch/arm/boot/dts/en7523.dtsi +++ b/arch/arm/boot/dts/en7523.dtsi @@ -2,6 +2,7 @@ #include #include +#include / { interrupt-parent = <&gic>; @@ -82,6 +83,13 @@ L2_0: l2-cache0 { }; }; + scu: scu@1fa20000 { + compatible = "airoha,en7523-scu"; + reg = <0x1fa20000 0x400>, + <0x1fb00000 0x1000>; + #clock-cells = <1>; + }; + gic: interrupt-controller@9000000 { compatible = "arm,gic-v3"; interrupt-controller; From patchwork Mon Dec 20 21:18:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696894 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 048A6C433EF for ; Mon, 20 Dec 2021 21:22:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xt54+knl5LfIt50K06gKxenYXD/sIs8J7pkJEDQaOR8=; b=KTmdKNc0rCPIpB /xYt6EP6z0ODD0P6a/yctoqPtCh3Yf71AKKjhVynHwvvbVsjZDOXZnQI33Fgdmrwt13bFzoUG0qBF ZLRZniL/C5/a7qKcPSQ45BT8rCs97E+2P62Gt3TUdZ7XhjhWmOoB18gCHkyQGaIanWvL3HU+IM8I3 oaPWnbQa2CQRLCjxjp3OAur2+Tq8FO9CfFHsNcStx2DdU7yDD9ENMiaKPfvEqDE4l3B8NduTysbD7 raM38H50yET5kkfv4T8Ac122EYv5FOdxFMHUwkNPLG5M3Q3v7WGugcHStuHAMWeyjHd+NJ753xzth YVMaRqLGcgKBhJeyAClA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ5z-004Q1P-U3; Mon, 20 Dec 2021 21:21:24 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ3v-004Ost-VF; Mon, 20 Dec 2021 21:19:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=x+pztdupm+1C08eQo9Xe2KaFjUgV/KEItDnmTqUpRok=; b=SjYWnjPRFVZ080wHH9xqrd9O5r q09rdT7qfUNiVtEbgXgpZBnruaeNZoQpcccdU0FqmyUHBhEeQ5FcHSQ85o8Eh5KwBlZDjpHq8ppT3 XKVlKWe4aC0e4R7vNveQIO2Ayvlo3uZEnac2SmqYgMIaj6FDylIdwQq7qvVOxgfeca94=; Received: from p54ae911a.dip0.t-ipconnect.de ([84.174.145.26] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mzQ3q-0000zo-3U; Mon, 20 Dec 2021 22:19:10 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Ryder Lee , Jianjun Wang , Bjorn Helgaas , Rob Herring , Matthias Brugger Cc: john@phrozen.org, Rob Herring , linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 09/14] dt-bindings: PCI: Add support for Airoha EN7532 Date: Mon, 20 Dec 2021 22:18:49 +0100 Message-Id: <20211220211854.89452-10-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_131916_194653_07310F8D X-CRM114-Status: UNSURE ( 9.10 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin EN7532 is an ARM based platform SoC integrating the same PCIe IP as MT7622, add a binding for it. Acked-by: Rob Herring Signed-off-by: John Crispin Signed-off-by: Felix Fietkau --- Documentation/devicetree/bindings/pci/mediatek-pcie.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie.txt b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt index 57ae73462272..684227522267 100644 --- a/Documentation/devicetree/bindings/pci/mediatek-pcie.txt +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt @@ -7,6 +7,7 @@ Required properties: "mediatek,mt7622-pcie" "mediatek,mt7623-pcie" "mediatek,mt7629-pcie" + "airoha,en7523-pcie" - device_type: Must be "pci" - reg: Base addresses and lengths of the root ports. - reg-names: Names of the above areas to use during resource lookup. From patchwork Mon Dec 20 21:18:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696899 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A0384C433EF for ; Mon, 20 Dec 2021 21:28:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MsEteZQCC585WEhuzl0r34z4NakoFdQz8pPfsEqgYGQ=; b=Ww5p2gD4pUiPCL ziwafahD6YJuNBW1Q0ZmwtxsHCFcWpUJafzwk8FFhapVc1pD+0e5Yl011rxT/5DzfMEj5qagV3jXs GUa/fy2tIPbISIRd3ST9FLfQOwA0+SAp9kxwafiLuAnv4xuunCcQqB4AtK5LJcsvW+lX0O8YRye0T 4xZvodeUh/J1ZdiFKYgVY2C+r/wA4mAMeDW+O0PgTDT1CbCpzJxQKfqscq07XfogRv+qfZjNbjRXF ri30XECiycy9q2nGcj+1H8xHgCIaVcWb1rfs+mFAgef9e/Nbbo3+x9o466lMNFzsI7hGWBt8Pv+uE 0Dk3wrLpFAUzXrb4rVzQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQCF-004T9q-1V; Mon, 20 Dec 2021 21:27:51 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQBo-004SxJ-Hj; Mon, 20 Dec 2021 21:27:25 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=JWqi786giIKaSw4tSGdwpvXgr1JgtStfMmdgvrcLvio=; b=rlGlWIGfBBFY5PWUmFDUpm1mWq qDZ6R2ypBWQBL1VEtltKcvHhGjLjN7dO/tjODkZGhlMoEylq2jAZ7dUZukyRqJUWpYH5DrtIv0TFF I6CUXC4VijTKVvftAba0Io/mrRxQKsTBBEd91/85V5fWrMq+7cctb89y9LDRNl5oHlxo=; Received: from p54ae911a.dip0.t-ipconnect.de ([84.174.145.26] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mzQ3r-0000zo-3j; Mon, 20 Dec 2021 22:19:11 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Lorenzo Pieralisi , Rob Herring , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas , Matthias Brugger Cc: john@phrozen.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v8 10/14] PCI: mediatek: Allow building for ARCH_AIROHA Date: Mon, 20 Dec 2021 22:18:50 +0100 Message-Id: <20211220211854.89452-11-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_132724_788558_A35B88B8 X-CRM114-Status: GOOD ( 11.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Allow selecting the pcie-mediatek driver if ARCH_AIROHA is set, because the Airoha EN7523 SoC uses the same controller as MT7622. The driver itself is not modified. The PCIe controller DT node should use mediatek,mt7622-pcie after airoha,en7523-pcie. Signed-off-by: Felix Fietkau Acked-by: Lorenzo Pieralisi --- drivers/pci/controller/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 93b141110537..f1342059c2a3 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -233,7 +233,7 @@ config PCIE_ROCKCHIP_EP config PCIE_MEDIATEK tristate "MediaTek PCIe controller" - depends on ARCH_MEDIATEK || COMPILE_TEST + depends on ARCH_AIROHA || ARCH_MEDIATEK || COMPILE_TEST depends on OF depends on PCI_MSI_IRQ_DOMAIN help From patchwork Mon Dec 20 21:18:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696895 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 87CC8C433EF for ; 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Mon, 20 Dec 2021 22:19:12 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring , Matthias Brugger Cc: john@phrozen.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v8 11/14] ARM: dts: Add PCIe support for Airoha EN7523 Date: Mon, 20 Dec 2021 22:18:51 +0100 Message-Id: <20211220211854.89452-12-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_132447_382902_95AE36D2 X-CRM114-Status: GOOD ( 11.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This uses the MediaTek MT7622 PCIe driver, since the PCIe IP block is nearly identical to the one in MT7622 Signed-off-by: Felix Fietkau --- arch/arm/boot/dts/en7523-evb.dts | 8 +++++ arch/arm/boot/dts/en7523.dtsi | 60 ++++++++++++++++++++++++++++++++ 2 files changed, 68 insertions(+) diff --git a/arch/arm/boot/dts/en7523-evb.dts b/arch/arm/boot/dts/en7523-evb.dts index 69754ef9a628..0a79f5f6c311 100644 --- a/arch/arm/boot/dts/en7523-evb.dts +++ b/arch/arm/boot/dts/en7523-evb.dts @@ -25,3 +25,11 @@ memory@80000000 { reg = <0x80000000 0x20000000>; }; }; + +&pcie0 { + status = "okay"; +}; + +&pcie1 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi index 0148958c607b..862da104d6f2 100644 --- a/arch/arm/boot/dts/en7523.dtsi +++ b/arch/arm/boot/dts/en7523.dtsi @@ -119,4 +119,64 @@ uart1: serial@1fbf0000 { clock-frequency = <1843200>; status = "okay"; }; + + + pcie0: pcie@1fa91000 { + compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie"; + device_type = "pci"; + reg = <0x1fa91000 0x1000>; + reg-names = "port0"; + linux,pci-domain = <0>; + #address-cells = <3>; + #size-cells = <2>; + interrupts = ; + interrupt-names = "pcie_irq"; + clocks = <&scu EN7523_CLK_PCIE>; + clock-names = "sys_ck0"; + bus-range = <0x00 0xff>; + ranges = <0x82000000 0 0x20000000 0x20000000 0 0x8000000>; + status = "disabled"; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie_intc0 0>, + <0 0 0 2 &pcie_intc0 1>, + <0 0 0 3 &pcie_intc0 2>, + <0 0 0 4 &pcie_intc0 3>; + pcie_intc0: interrupt-controller { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <1>; + }; + }; + + pcie1: pcie@1fa92000 { + compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie"; + device_type = "pci"; + reg = <0x1fa92000 0x1000>; + reg-names = "port1"; + linux,pci-domain = <1>; + #address-cells = <3>; + #size-cells = <2>; + interrupts = ; + interrupt-names = "pcie_irq"; + clocks = <&scu EN7523_CLK_PCIE>; + clock-names = "sys_ck1"; + bus-range = <0x00 0xff>; + ranges = <0x82000000 0 0x28000000 0x28000000 0 0x8000000>; + status = "disabled"; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie_intc1 0>, + <0 0 0 2 &pcie_intc1 1>, + <0 0 0 3 &pcie_intc1 2>, + <0 0 0 4 &pcie_intc1 3>; + pcie_intc1: interrupt-controller { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <1>; + }; + }; + }; From patchwork Mon Dec 20 21:18:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696897 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7CBF7C433F5 for ; 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Mon, 20 Dec 2021 22:19:13 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Linus Walleij , Bartosz Golaszewski , Rob Herring , John Crispin Cc: Rob Herring , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 12/14] dt-bindings: arm: airoha: Add binding for Airoha GPIO controller Date: Mon, 20 Dec 2021 22:18:52 +0100 Message-Id: <20211220211854.89452-13-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_132712_020974_080C1A3F X-CRM114-Status: GOOD ( 12.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32 GPIOs Reviewed-by: Linus Walleij Reviewed-by: Rob Herring Signed-off-by: John Crispin Signed-off-by: Felix Fietkau --- .../bindings/gpio/airoha,en7523-gpio.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml b/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml new file mode 100644 index 000000000000..66c00ec85731 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/airoha,en7523-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Airoha EN7523 GPIO controller + +maintainers: + - John Crispin + +description: | + Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32 + GPIOs. + +properties: + $nodename: + pattern: "^gpio@[0-9a-f]+$" + + compatible: + items: + - const: airoha,en7523-gpio + + reg: + description: | + The first tuple points to the input register. + The second and third tuple point to the direction registers + The fourth tuple points to the output register + maxItems: 4 + + "#gpio-cells": + const: 2 + + gpio-controller: true + +required: + - compatible + - reg + - "#gpio-cells" + - gpio-controller + +additionalProperties: false + +examples: + - | + gpio0: gpio@1fbf0200 { + compatible = "airoha,en7523-gpio"; + reg = <0x1fbf0204 0x4>, + <0x1fbf0200 0x4>, + <0x1fbf0220 0x4>, + <0x1fbf0214 0x4>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio1: gpio@1fbf0270 { + compatible = "airoha,en7523-gpio"; + reg = <0x1fbf0270 0x4>, + <0x1fbf0260 0x4>, + <0x1fbf0264 0x4>, + <0x1fbf0278 0x4>; + gpio-controller; + #gpio-cells = <2>; + }; + + +... From patchwork Mon Dec 20 21:18:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696896 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D460AC433F5 for ; Mon, 20 Dec 2021 21:26:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=yLS242Ge2TuWC4xR1jjZU+zLqdi+AxS0ImwfojXJn0Q=; b=L7T6/fgTLU2wVb jAbpJMn4L76yX9ozdQn7Qk6jHdXG5aX55dHppTm38TbBIgFCycQR5mxK93icVfDQ8lfLNPXn6dPbl gnndQE3jgrTNc85sNKj+EM50scFBRYpz1z7DZVeVOG14w1QfQKrhpWka/MMsoXThyECSgkQmTMPMv yMn7hGgDK2JErkwxxqLGRIiKrzaujFoq36VhPqqtVn0e0DTKcOU2r8EfyuaabWKKXaspQxmWHfVGS T2MUBdZVbQcbWZncjWR+H8kZjD+GXu9b7/oP9qf38JqtcwuSEDo1GVcEw0ZryGhYgsj6f2j9saK+i j/ofGPQIJoGWddv8R5rQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ9m-004Rzf-Lp; Mon, 20 Dec 2021 21:25:18 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzQ9L-004RpL-MV for linux-arm-kernel@lists.infradead.org; Mon, 20 Dec 2021 21:24:53 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=GVpCgi6bkaPNBn8b9NGcbzAZF3oNsyrclg0S9ZQ7TR8=; b=K8su82I9pOiTrOiKtFbrPr7wTt KV8YH2BMbKMUweYMIw0Pq2gZfzTPhUobxRZgH2pySt2+jJH+ioTFz3vB16DFeIKFwjmWgwfHMs7Bc mbwCC1pIq2hCKFg4qbwGfmBjVT1jO4vEwsB1IC2b7/9hoswVtqkZDi6yFlbePjL0HCMo=; Received: from p54ae911a.dip0.t-ipconnect.de ([84.174.145.26] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mzQ3u-0000zo-Cw; Mon, 20 Dec 2021 22:19:14 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Linus Walleij , Bartosz Golaszewski Cc: john@phrozen.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH v8 13/14] gpio: Add support for Airoha EN7523 GPIO controller Date: Mon, 20 Dec 2021 22:18:53 +0100 Message-Id: <20211220211854.89452-14-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_132451_958228_E50B65C0 X-CRM114-Status: GOOD ( 21.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32 GPIOs. Each instance in DT is for a single bank. Signed-off-by: John Crispin Signed-off-by: Felix Fietkau Reviewed-by: Linus Walleij Acked-by: Bartosz Golaszewski Reviewed-by: Andy Shevchenko --- drivers/gpio/Kconfig | 9 +++ drivers/gpio/Makefile | 1 + drivers/gpio/gpio-en7523.c | 134 +++++++++++++++++++++++++++++++++++++ 3 files changed, 144 insertions(+) create mode 100644 drivers/gpio/gpio-en7523.c diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 072ed610f9c6..e4a34272504f 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -247,6 +247,15 @@ config GPIO_EM help Say yes here to support GPIO on Renesas Emma Mobile SoCs. +config GPIO_EN7523 + tristate "Airoha GPIO support" + depends on ARCH_AIROHA + default ARCH_AIROHA + select GPIO_GENERIC + select GPIOLIB_IRQCHIP + help + Say yes here to support the GPIO controller on Airoha EN7523. + config GPIO_EP93XX def_bool y depends on ARCH_EP93XX diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 71ee9fc2ff83..d2269ee0948e 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -56,6 +56,7 @@ obj-$(CONFIG_GPIO_DLN2) += gpio-dln2.o obj-$(CONFIG_GPIO_DWAPB) += gpio-dwapb.o obj-$(CONFIG_GPIO_EIC_SPRD) += gpio-eic-sprd.o obj-$(CONFIG_GPIO_EM) += gpio-em.o +obj-$(CONFIG_GPIO_EN7523) += gpio-en7523.o obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o obj-$(CONFIG_GPIO_EXAR) += gpio-exar.o obj-$(CONFIG_GPIO_F7188X) += gpio-f7188x.o diff --git a/drivers/gpio/gpio-en7523.c b/drivers/gpio/gpio-en7523.c new file mode 100644 index 000000000000..67631396cd93 --- /dev/null +++ b/drivers/gpio/gpio-en7523.c @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include +#include + +#define AIROHA_GPIO_MAX 32 + +/** + * airoha_gpio_ctrl - Airoha GPIO driver data + * @gc: Associated gpio_chip instance. + * @data: The data register. + * @dir0: The direction register for the lower 16 pins. + * @dir1: The direction register for the higher 16 pins. + * @output: The output enable register. + */ +struct airoha_gpio_ctrl { + struct gpio_chip gc; + void __iomem *data; + void __iomem *dir[2]; + void __iomem *output; +}; + +static struct airoha_gpio_ctrl *gc_to_ctrl(struct gpio_chip *gc) +{ + return container_of(gc, struct airoha_gpio_ctrl, gc); +} + +static int airoha_dir_set(struct gpio_chip *gc, unsigned int gpio, + int val, int out) +{ + struct airoha_gpio_ctrl *ctrl = gc_to_ctrl(gc); + u32 dir = ioread32(ctrl->dir[gpio / 16]); + u32 output = ioread32(ctrl->output); + u32 mask = BIT((gpio % 16) * 2); + + if (out) { + dir |= mask; + output |= BIT(gpio); + } else { + dir &= ~mask; + output &= ~BIT(gpio); + } + + iowrite32(dir, ctrl->dir[gpio / 16]); + + if (out) + gc->set(gc, gpio, val); + + iowrite32(output, ctrl->output); + + return 0; +} + +static int airoha_dir_out(struct gpio_chip *gc, unsigned int gpio, + int val) +{ + return airoha_dir_set(gc, gpio, val, 1); +} + +static int airoha_dir_in(struct gpio_chip *gc, unsigned int gpio) +{ + return airoha_dir_set(gc, gpio, 0, 0); +} + +static int airoha_get_dir(struct gpio_chip *gc, unsigned int gpio) +{ + struct airoha_gpio_ctrl *ctrl = gc_to_ctrl(gc); + u32 dir = ioread32(ctrl->dir[gpio / 16]); + u32 mask = BIT((gpio % 16) * 2); + + return (dir & mask) ? GPIO_LINE_DIRECTION_OUT : GPIO_LINE_DIRECTION_IN; +} + +static const struct of_device_id airoha_gpio_of_match[] = { + { .compatible = "airoha,en7523-gpio" }, + { } +}; +MODULE_DEVICE_TABLE(of, airoha_gpio_of_match); + +static int airoha_gpio_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct airoha_gpio_ctrl *ctrl; + int err; + + ctrl = devm_kzalloc(dev, sizeof(*ctrl), GFP_KERNEL); + if (!ctrl) + return -ENOMEM; + + ctrl->data = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(ctrl->data)) + return PTR_ERR(ctrl->data); + + ctrl->dir[0] = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(ctrl->dir[0])) + return PTR_ERR(ctrl->dir[0]); + + ctrl->dir[1] = devm_platform_ioremap_resource(pdev, 2); + if (IS_ERR(ctrl->dir[1])) + return PTR_ERR(ctrl->dir[1]); + + ctrl->output = devm_platform_ioremap_resource(pdev, 3); + if (IS_ERR(ctrl->output)) + return PTR_ERR(ctrl->output); + + err = bgpio_init(&ctrl->gc, dev, 4, ctrl->data, NULL, + NULL, NULL, NULL, 0); + if (err) + return dev_err_probe(dev, err, "unable to init generic GPIO"); + + ctrl->gc.ngpio = AIROHA_GPIO_MAX; + ctrl->gc.owner = THIS_MODULE; + ctrl->gc.direction_output = airoha_dir_out; + ctrl->gc.direction_input = airoha_dir_in; + ctrl->gc.get_direction = airoha_get_dir; + + return devm_gpiochip_add_data(dev, &ctrl->gc, ctrl); +} + +static struct platform_driver airoha_gpio_driver = { + .driver = { + .name = "airoha-gpio", + .of_match_table = airoha_gpio_of_match, + }, + .probe = airoha_gpio_probe, +}; +module_platform_driver(airoha_gpio_driver); + +MODULE_DESCRIPTION("Airoha GPIO support"); +MODULE_AUTHOR("John Crispin "); +MODULE_LICENSE("GPL v2"); From patchwork Mon Dec 20 21:18:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12696898 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 983E7C433EF for ; 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Mon, 20 Dec 2021 22:19:15 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring Cc: john@phrozen.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 14/14] ARM: dts: add GPIO support for Airoha EN7523 Date: Mon, 20 Dec 2021 22:18:54 +0100 Message-Id: <20211220211854.89452-15-nbd@nbd.name> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220211854.89452-1-nbd@nbd.name> References: <20211220211854.89452-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_132717_043489_FE3AAAD5 X-CRM114-Status: GOOD ( 11.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32 GPIOs Signed-off-by: John Crispin Signed-off-by: Felix Fietkau --- arch/arm/boot/dts/en7523-evb.dts | 8 ++++++++ arch/arm/boot/dts/en7523.dtsi | 20 ++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/arch/arm/boot/dts/en7523-evb.dts b/arch/arm/boot/dts/en7523-evb.dts index 0a79f5f6c311..cd9cded5b564 100644 --- a/arch/arm/boot/dts/en7523-evb.dts +++ b/arch/arm/boot/dts/en7523-evb.dts @@ -33,3 +33,11 @@ &pcie0 { &pcie1 { status = "okay"; }; + +&gpio0 { + status = "okay"; +}; + +&gpio1 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi index 862da104d6f2..d9cc5a1b83b8 100644 --- a/arch/arm/boot/dts/en7523.dtsi +++ b/arch/arm/boot/dts/en7523.dtsi @@ -3,6 +3,7 @@ #include #include #include +#include / { interrupt-parent = <&gic>; @@ -120,6 +121,25 @@ uart1: serial@1fbf0000 { status = "okay"; }; + gpio0: gpio@1fbf0200 { + compatible = "airoha,en7523-gpio"; + reg = <0x1fbf0204 0x4>, + <0x1fbf0200 0x4>, + <0x1fbf0220 0x4>, + <0x1fbf0214 0x4>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio1: gpio@1fbf0270 { + compatible = "airoha,en7523-gpio"; + reg = <0x1fbf0270 0x4>, + <0x1fbf0260 0x4>, + <0x1fbf0264 0x4>, + <0x1fbf0278 0x4>; + gpio-controller; + #gpio-cells = <2>; + }; pcie0: pcie@1fa91000 { compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie";