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: 12688635 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C28FAC4332F for ; Mon, 20 Dec 2021 21:19:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230466AbhLTVTP (ORCPT ); Mon, 20 Dec 2021 16:19:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230422AbhLTVTM (ORCPT ); Mon, 20 Dec 2021 16:19:12 -0500 Received: from nbd.name (nbd.name [IPv6:2a01:4f8:221:3d45::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CFADC061401; Mon, 20 Dec 2021 13:19:12 -0800 (PST) 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 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.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_ */