From patchwork Mon Mar 14 08:44:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12779894 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 smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 32B2FC433EF for ; Mon, 14 Mar 2022 08:44:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id 1B9BBC340F7; Mon, 14 Mar 2022 08:44:32 +0000 (UTC) Received: from nbd.name (nbd.name [46.4.11.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.kernel.org (Postfix) with ESMTPS id 6A485C340F6; Mon, 14 Mar 2022 08:44:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.kernel.org 6A485C340F6 Authentication-Results: smtp.kernel.org; dmarc=none (p=none dis=none) header.from=nbd.name Authentication-Results: smtp.kernel.org; spf=none smtp.mailfrom=nbd.name 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=dOoRnrMcujfIeRM6SMTH0qBYGMOdBjxcajKfKM+54Qc=; b=CO3ZwM0jHy8YSkJhJ43lUHSG3N GnRmA6CdQ+BHonhLoax43Zj4VhtruBfj3s/7pCzuW5h0nYkYTIg51wWthzCeLVOsWqLZAU9IbscyI 0LfjY71jIk47EuNs6EBgDTQ+daiFLPaD7z9H7Cr5t0pOK1/+6TtjlCX6VHMblXIopRL8=; Received: from p200300daa7204f006c015a90d6b6c4d6.dip0.t-ipconnect.de ([2003:da:a720:4f00:6c01:5a90:d6b6:c4d6] helo=Maecks.lan) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1nTgJP-0002UN-G9; Mon, 14 Mar 2022 09:44:19 +0100 From: Felix Fietkau List-Id: To: soc@kernel.org, Michael Turquette , Stephen Boyd , Rob Herring Cc: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, John Crispin , Rob Herring , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v10 1/6] dt-bindings: Add en7523-scu device tree binding documentation Date: Mon, 14 Mar 2022 09:44:03 +0100 Message-Id: <20220314084409.84394-2-nbd@nbd.name> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220314084409.84394-1-nbd@nbd.name> References: <20220314084409.84394-1-nbd@nbd.name> MIME-Version: 1.0 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..d60e74654809 --- /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: system-controller@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_ */