From patchwork Thu Nov 25 11:07:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693632 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 80829C433F5 for ; Thu, 25 Nov 2021 11:10:38 +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=XHuY1XI+4KlmSLxjwf3fRwhvIJTmMh0d05+0lfcc1/E=; b=JSOB4WKydOUn6h tU3lw8VBrIcvs9C+i/O8e5p8jWZ6/TbElOzk1SUfiPE3QgyspULhzSCS7X6LfVTS/3WXWkRkix1CO jWBIUeWvSb+1lMbSPiI0y1vT6AT7MhEDcYNGfsr6vSPv0xwhTuVGsQndvyrGJISMBaMldpj4/pQkp aNI4xCp5QhZVT5XKZK5q7KA2T6CESoIyGceWbrqbMh0adVupYo1zAhiJSU52VRKrJUgf3jCgThNrD BjGKDM+1qU0ozhhn9tuOC6m7LFDe2Masx7yCvcybwXMDZvh6XT8pIRXzwa6cqfrCLsiWhRRGUY6Rp GYPlX8KRxyoBXR5sw/rw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mqCc8-007ACC-N1; Thu, 25 Nov 2021 11:08:28 +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 1mqCbY-007A1H-Os for linux-arm-kernel@lists.infradead.org; Thu, 25 Nov 2021 11:07:54 +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=fV9iNGrMKw4+jR0efvQ4f0w3ULPHBq9JYbARuskRhGk=; b=do0yQBKN5ZwBqCMOTCZvbICvIJ Ykq2LMZ/rjWHWkQLSNPicfbhXb8r/+FdLfGJpUD0iW33wW6n/AVmLop9rCY2kEdrNpUFQPHihovSN EufA/JFJNhM5wuMt2c2qc8UK63oUQ7vZch+qhZ7lVaVpWgZB7IxzVnjh5MiC6QFs8w9c=; Received: from p54ae9f3f.dip0.t-ipconnect.de ([84.174.159.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mqCbP-0002ws-RF; Thu, 25 Nov 2021 12:07:43 +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 v4 03/12] ARM: dts: Add basic support for Airoha EN7523 Date: Thu, 25 Nov 2021 12:07:29 +0100 Message-Id: <20211125110738.41028-4-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211125110738.41028-1-nbd@nbd.name> References: <20211125110738.41028-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211125_030753_055986_34CAAF05 X-CRM114-Status: GOOD ( 15.78 ) 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 --- 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..e8e5c034cee7 --- /dev/null +++ b/arch/arm/boot/dts/en7523-evb.dts @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0 +/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..de9e5f3ff155 --- /dev/null +++ b/arch/arm/boot/dts/en7523.dtsi @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: GPL-2.0 + +#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"; + }; +};