From patchwork Wed Dec 2 03:24:46 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: 336251 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 C2943C64E7C for ; Wed, 2 Dec 2020 03:27:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 722A3221E9 for ; Wed, 2 Dec 2020 03:27:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728186AbgLBD1d (ORCPT ); Tue, 1 Dec 2020 22:27:33 -0500 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:25543 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726158AbgLBD1c (ORCPT ); Tue, 1 Dec 2020 22:27:32 -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=1606879652; x=1638415652; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=iKyL7SSy4thzSVtbyyQfrf5obwUGB0rjdjJLiK0lOWg=; b=U/lsql35p2fZu06gjNFGpX+HNXrfTZrCGTY7K2wXPdP6uk1qoRsZZj12 +zD9WccoiLmqv4s/Q3BZyMljYpFD8k5MIkvaf4wW9BN/r8XelQ2jHnJNE TGqGS19lrnjJu9JxzvjSKsQzbtr17jykcVLHQrv3lJm7Fff++04b9qcf4 oSv+Hazpw8dnDgSjSxBT/4N96a011wfnzHybTKQQyJ9Jmvsfm4TJyLnX5 ++6fhZUzH1AfWuiJLNQqItG1UghQOGJlx7nJ+72Y+NBGP9522lp4xb0y+ M4JcTBxAMStfIBtUN52XUbchSZXvpc1up8OKhzUGBOTHs3VLuU/dPuOTY w==; IronPort-SDR: OFA+w1lqZQguiKKWkhBcWcoJ2ZrfYPyuivawqcSMf062McSUPtjFXJFYqdMt7scftFnv1ZxtTe PI6ysw/hMzfzNbEQourz4GdvTX5qmjPUfxuFDoyUMsGEevjK3rqpbH7QKC7JZruJRjFdvtM58U zRAQsfMd2hZthZ0pG3+KgFMD8xbPznMum4xahUg6DtOch0VYn7T/LpfYiMq+SZf6huxMb7/wIK ZPNrEeKtw2FEXz+v9eg6F2SpUXbqgPfcnY96W8XxstGc3AXf+ROrlKzYL+aoqjlWkrFGNxSHdw QC4= X-IronPort-AV: E=Sophos;i="5.78,385,1599494400"; d="scan'208";a="155183543" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 02 Dec 2020 11:25:20 +0800 IronPort-SDR: o3MppHCCLkx88dVDLQH0PpP2giPgTuW9RzDp4G9rtFP01/dGy0XG+6nVpYUrQXzXywxJxCcB6u grfzHosZRC2dLZuCLGXPFT85tMaYRwelw= Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2020 19:10:54 -0800 IronPort-SDR: ratTByZiLPghLqlbWeqpE0+sBHECgxdsE3T9pUvJ0L5ZraHXcuboEyhfIR+mvxQ0f1IMwCthFm ErTa8PkCQtPw== WDCIronportException: Internal Received: from phd004834.ad.shared (HELO twashi.fujisawa.hgst.com) ([10.84.71.196]) by uls-op-cesaip02.wdc.com with ESMTP; 01 Dec 2020 19:25:18 -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 v4 07/21] dt-binding: clock: Document canaan, k210-clk bindings Date: Wed, 2 Dec 2020 12:24:46 +0900 Message-Id: <20201202032500.206346-8-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201202032500.206346-1-damien.lemoal@wdc.com> References: <20201202032500.206346-1-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 --- .../bindings/clock/canaan,k210-clk.yaml | 55 +++++++++++++++++ include/dt-bindings/clock/k210-clk.h | 61 +++++++++++++++---- 2 files changed, 105 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..3547916a2421 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/canaan,k210-clk.yaml @@ -0,0 +1,55 @@ +# 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: + maxItems: 1 + description: + System 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..8d7ab2f0737c 100644 --- a/include/dt-bindings/clock/k210-clk.h +++ b/include/dt-bindings/clock/k210-clk.h @@ -3,18 +3,57 @@ * 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_IN0 0 +#define K210_CLK_PLL0 1 +#define K210_CLK_PLL1 2 +#define K210_CLK_PLL2 3 +#define K210_CLK_ACLK 4 +#define K210_CLK_CPU 5 +#define K210_CLK_CLINT 6 +#define K210_CLK_DMA 7 +#define K210_CLK_FFT 8 +#define K210_CLK_SRAM0 9 +#define K210_CLK_SRAM1 10 +#define K210_CLK_ROM 11 +#define K210_CLK_DVP 12 +#define K210_CLK_APB0 13 +#define K210_CLK_APB1 14 +#define K210_CLK_APB2 15 +#define K210_CLK_AI 16 +#define K210_CLK_I2S0 17 +#define K210_CLK_I2S1 18 +#define K210_CLK_I2S2 19 +#define K210_CLK_I2S0_M 20 +#define K210_CLK_I2S1_M 21 +#define K210_CLK_I2S2_M 22 +#define K210_CLK_WDT0 23 +#define K210_CLK_WDT1 24 +#define K210_CLK_SPI0 25 +#define K210_CLK_SPI1 26 +#define K210_CLK_SPI2 27 +#define K210_CLK_I2C0 28 +#define K210_CLK_I2C1 29 +#define K210_CLK_I2C2 30 +#define K210_CLK_SPI3 31 +#define K210_CLK_TIMER0 32 +#define K210_CLK_TIMER1 33 +#define K210_CLK_TIMER2 34 +#define K210_CLK_GPIO 35 +#define K210_CLK_UART1 36 +#define K210_CLK_UART2 37 +#define K210_CLK_UART3 38 +#define K210_CLK_FPIOA 39 +#define K210_CLK_SHA 40 +#define K210_CLK_AES 41 +#define K210_CLK_OTP 42 +#define K210_CLK_RTC 43 -#endif /* K210_CLK_H */ +#define K210_NUM_CLKS 44 + +#endif /* CLOCK_K210_CLK_H */