From patchwork Thu Dec 10 14:02:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 341368 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 681F3C2BB40 for ; Thu, 10 Dec 2020 14:06:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 462D823CD4 for ; Thu, 10 Dec 2020 14:06:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389969AbgLJOGM (ORCPT ); Thu, 10 Dec 2020 09:06:12 -0500 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:5199 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389954AbgLJOFu (ORCPT ); Thu, 10 Dec 2020 09:05:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1607609150; x=1639145150; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AeiEHbIkWwtw1R4io5A6L+qNVMQkbPlxqlTU/ANGemA=; b=Z6hkH1GBYZSprBbDqF1U3t+xLOC/1e2LklgaVOex6XpE5TwJ3PVXVqjl x0ird+Me5nEcXItNTVK7i784NzufNyfE9e6hNWBr0tLx2T2dc6vBPCJ3x CpQl2EQPoeQlWs7qVhxPfIJbiPQHl6uAeJmf/gfkBYicZCTFXjGxw/O9j AZMmK91yWhk7ETVDnGwrB0hBLoiltfB4V1z/P9Shk1egQCn6rU+0pHyqb K0sUpfQo7cNNAYWS9MaH9HK8BqVDl4z/x5SNtwDVSExS3tbfhRn+xYTVn R85a3jS4hSseDqnC/UtBqQ4m4q0nZrtD5xzVM5oWxirS1oI9ofme35PfB A==; IronPort-SDR: /BisEMQOCqcIujZjRYaBC+CDsa6YcYsjMpnh0JfXVUGfSBAdLeChB+vNkZ/2sX7pLpsV9BBneV syipRNi6+ybkPUBnuMTmcceR+Zx7frDHRGxx+fRKK1oq/I1bgXdYlsmFFmkJUAld9kEH/Bujvh ZIMgxRHqYPgoRoIW6spIIBy2k1EVbOobHdkIIPeS7RjFpQa2fJFh6vqKG41+mAkVTtm2rBD8s/ sPqlhWbV5KVZEPQ1DeUh05+qur7V3wTIumU7TwOtqf4ogKIFifHRsSomHNuR+Xkviv0SfGJ5DE NiY= X-IronPort-AV: E=Sophos;i="5.78,408,1599494400"; d="scan'208";a="159316718" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 10 Dec 2020 22:03:34 +0800 IronPort-SDR: YKHvMn5fZbODy89dKv+TGQxrWcnyozVPHbIhlTKI5iBPLSjfhff4vDbZCowVbNjJQIqMG2or3t +G4okmsjibdNOj9NTtLIbjslcD6kmJ3ac= Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2020 05:47:26 -0800 IronPort-SDR: f1kY9ZXpKnJMv9tvlKzYjd4iDXmWtX9lBGKIevIyY3sOOXcJgGuYv5zY4cCmJzsSHgnk96mxyx T78WygkhpQqA== WDCIronportException: Internal Received: from wdapacbjl0003.my.asia.wdc.com (HELO twashi.fujisawa.hgst.com) ([10.84.71.173]) by uls-op-cesaip02.wdc.com with ESMTP; 10 Dec 2020 06:03:33 -0800 From: Damien Le Moal To: Palmer Dabbelt , linux-riscv@lists.infradead.org, Rob Herring , devicetree@vger.kernel.org, Stephen Boyd , linux-clk@vger.kernel.org, Linus Walleij , linux-gpio@vger.kernel.org, Philipp Zabel Cc: Sean Anderson Subject: [PATCH v8 08/22] dt-binding: clock: Document canaan, k210-clk bindings Date: Thu, 10 Dec 2020 23:02:59 +0900 Message-Id: <20201210140313.258739-9-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201210140313.258739-1-damien.lemoal@wdc.com> References: <20201210140313.258739-1-damien.lemoal@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Document the device tree bindings of the Canaan Kendryte K210 SoC clock driver in Documentation/devicetree/bindings/clock/canaan,k210-clk.yaml. The header file include/dt-bindings/clock/k210-clk.h is modified to include the complete list of IDs for all clocks of the SoC. Signed-off-by: Damien Le Moal Reviewed-by: Rob Herring --- .../bindings/clock/canaan,k210-clk.yaml | 54 ++++++++++++++++++ include/dt-bindings/clock/k210-clk.h | 55 +++++++++++++++---- 2 files changed, 98 insertions(+), 11 deletions(-) create mode 100644 Documentation/devicetree/bindings/clock/canaan,k210-clk.yaml diff --git a/Documentation/devicetree/bindings/clock/canaan,k210-clk.yaml b/Documentation/devicetree/bindings/clock/canaan,k210-clk.yaml new file mode 100644 index 000000000000..565ca468cb44 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/canaan,k210-clk.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/canaan,k210-clk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Canaan Kendryte K210 Clock Device Tree Bindings + +maintainers: + - Damien Le Moal + +description: | + Canaan Kendryte K210 SoC clocks driver bindings. The clock + controller node must be defined as a child node of the K210 + system controller node. + + See also: + - dt-bindings/clock/k210-clk.h + +properties: + compatible: + const: canaan,k210-clk + + clocks: + description: + Phandle of the SoC 26MHz fixed-rate oscillator clock. + + '#clock-cells': + const: 1 + +required: + - compatible + - '#clock-cells' + - clocks + +additionalProperties: false + +examples: + - | + #include + clocks { + in0: oscillator { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <26000000>; + }; + }; + + /* ... */ + sysclk: clock-controller { + #clock-cells = <1>; + compatible = "canaan,k210-clk"; + clocks = <&in0>; + }; diff --git a/include/dt-bindings/clock/k210-clk.h b/include/dt-bindings/clock/k210-clk.h index 5a2fd64d1a49..b2de702cbf75 100644 --- a/include/dt-bindings/clock/k210-clk.h +++ b/include/dt-bindings/clock/k210-clk.h @@ -3,18 +3,51 @@ * Copyright (C) 2019-20 Sean Anderson * Copyright (c) 2020 Western Digital Corporation or its affiliates. */ -#ifndef K210_CLK_H -#define K210_CLK_H +#ifndef CLOCK_K210_CLK_H +#define CLOCK_K210_CLK_H /* - * Arbitrary identifiers for clocks. - * The structure is: in0 -> pll0 -> aclk -> cpu - * - * Since we use the hardware defaults for now, set all these to the same clock. + * Kendryte K210 SoC clock identifiers (arbitrary values). */ -#define K210_CLK_PLL0 0 -#define K210_CLK_PLL1 0 -#define K210_CLK_ACLK 0 -#define K210_CLK_CPU 0 +#define K210_CLK_CPU 0 +#define K210_CLK_SRAM0 1 +#define K210_CLK_SRAM1 2 +#define K210_CLK_AI 3 +#define K210_CLK_DMA 4 +#define K210_CLK_FFT 5 +#define K210_CLK_ROM 6 +#define K210_CLK_DVP 7 +#define K210_CLK_APB0 8 +#define K210_CLK_APB1 9 +#define K210_CLK_APB2 10 +#define K210_CLK_I2S0 11 +#define K210_CLK_I2S1 12 +#define K210_CLK_I2S2 13 +#define K210_CLK_I2S0_M 14 +#define K210_CLK_I2S1_M 15 +#define K210_CLK_I2S2_M 16 +#define K210_CLK_WDT0 17 +#define K210_CLK_WDT1 18 +#define K210_CLK_SPI0 19 +#define K210_CLK_SPI1 20 +#define K210_CLK_SPI2 21 +#define K210_CLK_I2C0 22 +#define K210_CLK_I2C1 23 +#define K210_CLK_I2C2 24 +#define K210_CLK_SPI3 25 +#define K210_CLK_TIMER0 26 +#define K210_CLK_TIMER1 27 +#define K210_CLK_TIMER2 28 +#define K210_CLK_GPIO 29 +#define K210_CLK_UART1 30 +#define K210_CLK_UART2 31 +#define K210_CLK_UART3 32 +#define K210_CLK_FPIOA 33 +#define K210_CLK_SHA 34 +#define K210_CLK_AES 35 +#define K210_CLK_OTP 36 +#define K210_CLK_RTC 37 -#endif /* K210_CLK_H */ +#define K210_NUM_CLKS 38 + +#endif /* CLOCK_K210_CLK_H */