From patchwork Tue Mar 23 11:29:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongjiu Geng X-Patchwork-Id: 12157407 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 BB4E5C433C1 for ; Tue, 23 Mar 2021 11:31:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D7EC619B1 for ; Tue, 23 Mar 2021 11:31:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231138AbhCWLau (ORCPT ); Tue, 23 Mar 2021 07:30:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38036 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230476AbhCWLaa (ORCPT ); Tue, 23 Mar 2021 07:30:30 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6168DC061574; Tue, 23 Mar 2021 04:30:29 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id e33so11382936pgm.13; Tue, 23 Mar 2021 04:30:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=ZRsC5Q0fuPtBSUGPCgcg2XHUK2jtOE73inoeWiuBT5M=; b=lrRSNSX/BJwprajjl8/tp2zNo7iDBPjbN1i51oSk9GPvhoe9lFMeX2Tgx6kDg4z8HT HHFUmstFB1q73SmHlOCxj/V8V6rDTCGW9cDUVXqYtJQnK//cNQlwNgxqgY0TsFfzFDEm mKqO1OZd/ptpqZKRafFcRi08xYPsB10DTPeHcfLWq5U4Wa/qSxX4IitfnSCkCRQ0E4Na Dq7C4Fp/BSCDUN4CZEd2zNgXDGo+r/3HotDxPnIuOIzvR+6yZmKS7pdXqcsAN7H5Y1Df ARdKN+gjdXtQkzKfOqUN4uXWkeoknC2ICljNKVDdUiecF5IYNn4LGnSdKc3iZZ4KO/kr g9Gg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=ZRsC5Q0fuPtBSUGPCgcg2XHUK2jtOE73inoeWiuBT5M=; b=dC7biyhQD5ENb2ryHg1dRXy8pE7H1yKQASHfKHnyl3lclp4FfYmcNc2bAmNJ4QdE15 b8UX8AEXBdqkdj7fSmrqTyLyE9EISGCROzpDS+ojkAffTA7F7/XzFc/ybSwBcMlJgtzz jcf5Cyw4uTy4YIuGWxUnMWOBbHPlmA2sfptShCIrivIbqm8GEs/jN0su1L8jCWDR0/EU UhnX29z8pJvlvg8lX9OP8xi3T9J/hRX7M7Wcg3DdcGMtJz8Mc7FeEOqINzjehHzvTpYN GposPHamLAUIUO5wvF8HKPgtBCCWHoSIsM6u5eFpWQYrNPP3C4q1GzWMd6VLgxPBGS6V nZLA== X-Gm-Message-State: AOAM532z1hUyd1PlyWcKJpJwrmPaOpmMu6ZjuzrP6PvgwgogKBYmJ2+k 20E/HXPFoQcXldRSRapCsLM= X-Google-Smtp-Source: ABdhPJwuWs43oZ7rXQMCOOPT5JtIgPSQ6nfR1Ck39FrkoAf6s2O6cjIQ8WAVYlkBbsu3LAsPYnvHNQ== X-Received: by 2002:a17:902:b684:b029:e6:8efd:fb00 with SMTP id c4-20020a170902b684b02900e68efdfb00mr5129063pls.16.1616499027740; Tue, 23 Mar 2021 04:30:27 -0700 (PDT) Received: from localhost.localdomain ([101.95.133.222]) by smtp.gmail.com with ESMTPSA id f23sm16281824pfa.85.2021.03.23.04.30.21 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Mar 2021 04:30:27 -0700 (PDT) From: Dongjiu Geng To: mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, gengdongjiu1@gmail.com Cc: Dongjiu Geng Subject: [PATCH v8 1/2] dt-bindings: Document the hi3559a clock bindings Date: Tue, 23 Mar 2021 19:29:32 +0800 Message-Id: <1616498973-47067-2-git-send-email-gengdongjiu1@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1616498973-47067-1-git-send-email-gengdongjiu1@gmail.com> References: <1616498973-47067-1-git-send-email-gengdongjiu1@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org From: Dongjiu Geng Add DT bindings documentation for hi3559a SoC clock. Signed-off-by: Dongjiu Geng Reviewed-by: Rob Herring --- .../clock/hisilicon,hi3559av100-clock.yaml | 59 ++++++++ include/dt-bindings/clock/hi3559av100-clock.h | 165 +++++++++++++++++++++ 2 files changed, 224 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/hisilicon,hi3559av100-clock.yaml create mode 100644 include/dt-bindings/clock/hi3559av100-clock.h diff --git a/Documentation/devicetree/bindings/clock/hisilicon,hi3559av100-clock.yaml b/Documentation/devicetree/bindings/clock/hisilicon,hi3559av100-clock.yaml new file mode 100644 index 0000000..3ceb29c --- /dev/null +++ b/Documentation/devicetree/bindings/clock/hisilicon,hi3559av100-clock.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/hisilicon,hi3559av100-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Hisilicon SOC Clock for HI3559AV100 + +maintainers: + - Dongjiu Geng + +description: | + Hisilicon SOC clock control module which supports the clocks, resets and + power domains on HI3559AV100. + + See also: + dt-bindings/clock/hi3559av100-clock.h + +properties: + compatible: + enum: + - hisilicon,hi3559av100-clock + - hisilicon,hi3559av100-shub-clock + + reg: + minItems: 1 + maxItems: 2 + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 2 + description: | + First cell is reset request register offset. + Second cell is bit offset in reset request register. + +required: + - compatible + - reg + - '#clock-cells' + - '#reset-cells' + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + clock-controller@12010000 { + compatible = "hisilicon,hi3559av100-clock"; + #clock-cells = <1>; + #reset-cells = <2>; + reg = <0x0 0x12010000 0x0 0x10000>; + }; + }; +... diff --git a/include/dt-bindings/clock/hi3559av100-clock.h b/include/dt-bindings/clock/hi3559av100-clock.h new file mode 100644 index 0000000..5fe7689 --- /dev/null +++ b/include/dt-bindings/clock/hi3559av100-clock.h @@ -0,0 +1,165 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later or BSD-2-Clause */ +/* + * Copyright (c) 2019-2020, Huawei Tech. Co., Ltd. + * + * Author: Dongjiu Geng + */ + +#ifndef __DTS_HI3559AV100_CLOCK_H +#define __DTS_HI3559AV100_CLOCK_H + +/* fixed rate */ +#define HI3559AV100_FIXED_1188M 1 +#define HI3559AV100_FIXED_1000M 2 +#define HI3559AV100_FIXED_842M 3 +#define HI3559AV100_FIXED_792M 4 +#define HI3559AV100_FIXED_750M 5 +#define HI3559AV100_FIXED_710M 6 +#define HI3559AV100_FIXED_680M 7 +#define HI3559AV100_FIXED_667M 8 +#define HI3559AV100_FIXED_631M 9 +#define HI3559AV100_FIXED_600M 10 +#define HI3559AV100_FIXED_568M 11 +#define HI3559AV100_FIXED_500M 12 +#define HI3559AV100_FIXED_475M 13 +#define HI3559AV100_FIXED_428M 14 +#define HI3559AV100_FIXED_400M 15 +#define HI3559AV100_FIXED_396M 16 +#define HI3559AV100_FIXED_300M 17 +#define HI3559AV100_FIXED_250M 18 +#define HI3559AV100_FIXED_198M 19 +#define HI3559AV100_FIXED_187p5M 20 +#define HI3559AV100_FIXED_150M 21 +#define HI3559AV100_FIXED_148p5M 22 +#define HI3559AV100_FIXED_125M 23 +#define HI3559AV100_FIXED_107M 24 +#define HI3559AV100_FIXED_100M 25 +#define HI3559AV100_FIXED_99M 26 +#define HI3559AV100_FIXED_74p25M 27 +#define HI3559AV100_FIXED_72M 28 +#define HI3559AV100_FIXED_60M 29 +#define HI3559AV100_FIXED_54M 30 +#define HI3559AV100_FIXED_50M 31 +#define HI3559AV100_FIXED_49p5M 32 +#define HI3559AV100_FIXED_37p125M 33 +#define HI3559AV100_FIXED_36M 34 +#define HI3559AV100_FIXED_32p4M 35 +#define HI3559AV100_FIXED_27M 36 +#define HI3559AV100_FIXED_25M 37 +#define HI3559AV100_FIXED_24M 38 +#define HI3559AV100_FIXED_12M 39 +#define HI3559AV100_FIXED_3M 40 +#define HI3559AV100_FIXED_1p6M 41 +#define HI3559AV100_FIXED_400K 42 +#define HI3559AV100_FIXED_100K 43 +#define HI3559AV100_FIXED_200M 44 +#define HI3559AV100_FIXED_75M 75 + +#define HI3559AV100_I2C0_CLK 50 +#define HI3559AV100_I2C1_CLK 51 +#define HI3559AV100_I2C2_CLK 52 +#define HI3559AV100_I2C3_CLK 53 +#define HI3559AV100_I2C4_CLK 54 +#define HI3559AV100_I2C5_CLK 55 +#define HI3559AV100_I2C6_CLK 56 +#define HI3559AV100_I2C7_CLK 57 +#define HI3559AV100_I2C8_CLK 58 +#define HI3559AV100_I2C9_CLK 59 +#define HI3559AV100_I2C10_CLK 60 +#define HI3559AV100_I2C11_CLK 61 + +#define HI3559AV100_SPI0_CLK 62 +#define HI3559AV100_SPI1_CLK 63 +#define HI3559AV100_SPI2_CLK 64 +#define HI3559AV100_SPI3_CLK 65 +#define HI3559AV100_SPI4_CLK 66 +#define HI3559AV100_SPI5_CLK 67 +#define HI3559AV100_SPI6_CLK 68 + +#define HI3559AV100_EDMAC_CLK 69 +#define HI3559AV100_EDMAC_AXICLK 70 +#define HI3559AV100_EDMAC1_CLK 71 +#define HI3559AV100_EDMAC1_AXICLK 72 +#define HI3559AV100_VDMAC_CLK 73 + +/* mux clocks */ +#define HI3559AV100_FMC_MUX 80 +#define HI3559AV100_SYSAPB_MUX 81 +#define HI3559AV100_UART_MUX 82 +#define HI3559AV100_SYSBUS_MUX 83 +#define HI3559AV100_A73_MUX 84 +#define HI3559AV100_MMC0_MUX 85 +#define HI3559AV100_MMC1_MUX 86 +#define HI3559AV100_MMC2_MUX 87 +#define HI3559AV100_MMC3_MUX 88 + +/* gate clocks */ +#define HI3559AV100_FMC_CLK 90 +#define HI3559AV100_UART0_CLK 91 +#define HI3559AV100_UART1_CLK 92 +#define HI3559AV100_UART2_CLK 93 +#define HI3559AV100_UART3_CLK 94 +#define HI3559AV100_UART4_CLK 95 +#define HI3559AV100_MMC0_CLK 96 +#define HI3559AV100_MMC1_CLK 97 +#define HI3559AV100_MMC2_CLK 98 +#define HI3559AV100_MMC3_CLK 99 + +#define HI3559AV100_ETH_CLK 100 +#define HI3559AV100_ETH_MACIF_CLK 101 +#define HI3559AV100_ETH1_CLK 102 +#define HI3559AV100_ETH1_MACIF_CLK 103 + +/* complex */ +#define HI3559AV100_MAC0_CLK 110 +#define HI3559AV100_MAC1_CLK 111 +#define HI3559AV100_SATA_CLK 112 +#define HI3559AV100_USB_CLK 113 +#define HI3559AV100_USB1_CLK 114 + +/* pll clocks */ +#define HI3559AV100_APLL_CLK 250 +#define HI3559AV100_GPLL_CLK 251 + +#define HI3559AV100_CRG_NR_CLKS 256 + +#define HI3559AV100_SHUB_SOURCE_SOC_24M 0 +#define HI3559AV100_SHUB_SOURCE_SOC_200M 1 +#define HI3559AV100_SHUB_SOURCE_SOC_300M 2 +#define HI3559AV100_SHUB_SOURCE_PLL 3 +#define HI3559AV100_SHUB_SOURCE_CLK 4 + +#define HI3559AV100_SHUB_I2C0_CLK 10 +#define HI3559AV100_SHUB_I2C1_CLK 11 +#define HI3559AV100_SHUB_I2C2_CLK 12 +#define HI3559AV100_SHUB_I2C3_CLK 13 +#define HI3559AV100_SHUB_I2C4_CLK 14 +#define HI3559AV100_SHUB_I2C5_CLK 15 +#define HI3559AV100_SHUB_I2C6_CLK 16 +#define HI3559AV100_SHUB_I2C7_CLK 17 + +#define HI3559AV100_SHUB_SPI_SOURCE_CLK 20 +#define HI3559AV100_SHUB_SPI4_SOURCE_CLK 21 +#define HI3559AV100_SHUB_SPI0_CLK 22 +#define HI3559AV100_SHUB_SPI1_CLK 23 +#define HI3559AV100_SHUB_SPI2_CLK 24 +#define HI3559AV100_SHUB_SPI3_CLK 25 +#define HI3559AV100_SHUB_SPI4_CLK 26 + +#define HI3559AV100_SHUB_UART_CLK_32K 30 +#define HI3559AV100_SHUB_UART_SOURCE_CLK 31 +#define HI3559AV100_SHUB_UART_DIV_CLK 32 +#define HI3559AV100_SHUB_UART0_CLK 33 +#define HI3559AV100_SHUB_UART1_CLK 34 +#define HI3559AV100_SHUB_UART2_CLK 35 +#define HI3559AV100_SHUB_UART3_CLK 36 +#define HI3559AV100_SHUB_UART4_CLK 37 +#define HI3559AV100_SHUB_UART5_CLK 38 +#define HI3559AV100_SHUB_UART6_CLK 39 + +#define HI3559AV100_SHUB_EDMAC_CLK 40 + +#define HI3559AV100_SHUB_NR_CLKS 50 + +#endif /* __DTS_HI3559AV100_CLOCK_H */ + From patchwork Tue Mar 23 11:29:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongjiu Geng X-Patchwork-Id: 12157411 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 D49CCC433E3 for ; Tue, 23 Mar 2021 11:31:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A311E61993 for ; Tue, 23 Mar 2021 11:31:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231159AbhCWLau (ORCPT ); Tue, 23 Mar 2021 07:30:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38088 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231187AbhCWLal (ORCPT ); Tue, 23 Mar 2021 07:30:41 -0400 Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D778DC061574; Tue, 23 Mar 2021 04:30:40 -0700 (PDT) Received: by mail-pj1-x1043.google.com with SMTP id lr1-20020a17090b4b81b02900ea0a3f38c1so965239pjb.0; Tue, 23 Mar 2021 04:30:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=SCNMr7LS+/cQOOfJiYBakhu+Djqbnk/VhaCL0+6Gjuc=; b=Ni2Pk8U9S6Cr9tdhHvOUFIZnNTWYoshNP7GWjeiC/LFN8zmiQRIE3A9FYLMMRpnTvJ C4IAfy/C+f5jxCFbma1mcgbz9og6nSSuIs4WzUuQiyH0BeSk7vr9lvUOPCx7MXeUFCxL WxY5QjNUzV7CZ//CI5E/9IfK07OQ/c14iRsNQ9RRXX8cU9yX4gDOdpkty/aansjAxxFG SrSLqCWvtUEwANZvHmQu6dy2Bi972p+cxJa0REkCt3vMfo6/YFeIE7d3TDX6Hg3RpOZz eqAPj/MtkUeo1YnZKRcRbvCEwzTlIwJzs7yR02IIKHf/3sTeeZV5zxg0b8i4/sdDMXBC Ld/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=SCNMr7LS+/cQOOfJiYBakhu+Djqbnk/VhaCL0+6Gjuc=; b=WcHZrSHbv/gJpY3v8p5WpBCoWwJp9/42k9XQPOsvHmGVc/NGyJ/rK3kmZlxgkWlF38 X6B1z+AW5OMr3Lj/ygBkjmozXzeUOYJUG8s928/1Dirliekh8aGA0mejg6JF63UmFGlH TQf2HeGygP197GrNR3QBK/D+ghjVpUw1bkZQ9issJN9bi29xqlHVTM3OcPkkmp6LLYIz nXZpfB5v/7HRYVVPfJz5ZRajP0qzudjcjnbB2gKnRyvtiwZii+Vmp3hmiHc/M15/OqI8 38PEIz4P/pI2hFx5rBIbfvBt977u3/FNKJfsxJF6QY5crwROAESPOhxl8iSc0RO+UNG6 Tt7g== X-Gm-Message-State: AOAM533OO+HyV8fS2OKXegNtebXof6u4secJZ+1BX7XDMkza9zCoqAbD EPnGzW64KRzDP0ejSZQqVlQ= X-Google-Smtp-Source: ABdhPJwT2DAtWSFr1rEwzR1QHhYa/3/Jcj6EtodZO/A3uTMPsfuOLnNvb2+pchN24rZb99NznNmG1A== X-Received: by 2002:a17:90a:550f:: with SMTP id b15mr4164803pji.102.1616499040270; Tue, 23 Mar 2021 04:30:40 -0700 (PDT) Received: from localhost.localdomain ([101.95.133.222]) by smtp.gmail.com with ESMTPSA id f23sm16281824pfa.85.2021.03.23.04.30.28 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Mar 2021 04:30:39 -0700 (PDT) From: Dongjiu Geng To: mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, gengdongjiu1@gmail.com Cc: Dongjiu Geng Subject: [PATCH v8 2/2] clk: hisilicon: Add clock driver for hi3559A SoC Date: Tue, 23 Mar 2021 19:29:33 +0800 Message-Id: <1616498973-47067-3-git-send-email-gengdongjiu1@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1616498973-47067-1-git-send-email-gengdongjiu1@gmail.com> References: <1616498973-47067-1-git-send-email-gengdongjiu1@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org From: Dongjiu Geng Add clock drivers for hi3559A SoC, this driver controls the SoC registers to supply different clocks to different IPs in the SoC. Signed-off-by: Dongjiu Geng --- drivers/clk/hisilicon/Kconfig | 7 + drivers/clk/hisilicon/Makefile | 1 + drivers/clk/hisilicon/clk-hi3559a.c | 847 ++++++++++++++++++++++++++++++++++++ drivers/clk/hisilicon/clk.c | 2 +- drivers/clk/hisilicon/clk.h | 2 +- 5 files changed, 857 insertions(+), 2 deletions(-) create mode 100644 drivers/clk/hisilicon/clk-hi3559a.c diff --git a/drivers/clk/hisilicon/Kconfig b/drivers/clk/hisilicon/Kconfig index 6a9e93a..5ecc37a 100644 --- a/drivers/clk/hisilicon/Kconfig +++ b/drivers/clk/hisilicon/Kconfig @@ -15,6 +15,13 @@ config COMMON_CLK_HI3519 help Build the clock driver for hi3519. +config COMMON_CLK_HI3559A + bool "Hi3559A Clock Driver" + depends on ARCH_HISI || COMPILE_TEST + default ARCH_HISI + help + Build the clock driver for hi3559a. + config COMMON_CLK_HI3660 bool "Hi3660 Clock Driver" depends on ARCH_HISI || COMPILE_TEST diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile index b2441b9..2978e56 100644 --- a/drivers/clk/hisilicon/Makefile +++ b/drivers/clk/hisilicon/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_ARCH_HIP04) += clk-hip04.o obj-$(CONFIG_ARCH_HIX5HD2) += clk-hix5hd2.o obj-$(CONFIG_COMMON_CLK_HI3516CV300) += crg-hi3516cv300.o obj-$(CONFIG_COMMON_CLK_HI3519) += clk-hi3519.o +obj-$(CONFIG_COMMON_CLK_HI3559A) += clk-hi3559a.o obj-$(CONFIG_COMMON_CLK_HI3660) += clk-hi3660.o obj-$(CONFIG_COMMON_CLK_HI3670) += clk-hi3670.o obj-$(CONFIG_COMMON_CLK_HI3798CV200) += crg-hi3798cv200.o diff --git a/drivers/clk/hisilicon/clk-hi3559a.c b/drivers/clk/hisilicon/clk-hi3559a.c new file mode 100644 index 0000000..a47df96 --- /dev/null +++ b/drivers/clk/hisilicon/clk-hi3559a.c @@ -0,0 +1,847 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Hisilicon Hi3559A clock driver + * + * Copyright (c) 2019-2020, Huawei Tech. Co., Ltd. + * + * Author: Dongjiu Geng + */ + +#include +#include +#include +#include +#include + +#include + +#include "clk.h" +#include "crg.h" +#include "reset.h" + +#define CRG_BASE_ADDR 0x18020000 +#define PLL_MASK_WIDTH 24 + +struct hi3559av100_pll_clock { + u32 id; + const char *name; + const char *parent_name; + const u32 ctrl_reg1; + const u8 frac_shift; + const u8 frac_width; + const u8 postdiv1_shift; + const u8 postdiv1_width; + const u8 postdiv2_shift; + const u8 postdiv2_width; + const u32 ctrl_reg2; + const u8 fbdiv_shift; + const u8 fbdiv_width; + const u8 refdiv_shift; + const u8 refdiv_width; +}; + +struct hi3559av100_clk_pll { + struct clk_hw hw; + u32 id; + void __iomem *ctrl_reg1; + u8 frac_shift; + u8 frac_width; + u8 postdiv1_shift; + u8 postdiv1_width; + u8 postdiv2_shift; + u8 postdiv2_width; + void __iomem *ctrl_reg2; + u8 fbdiv_shift; + u8 fbdiv_width; + u8 refdiv_shift; + u8 refdiv_width; +}; + +/* soc clk config */ +static const struct hisi_fixed_rate_clock hi3559av100_fixed_rate_clks_crg[] = { + { HI3559AV100_FIXED_1188M, "1188m", NULL, 0, 1188000000, }, + { HI3559AV100_FIXED_1000M, "1000m", NULL, 0, 1000000000, }, + { HI3559AV100_FIXED_842M, "842m", NULL, 0, 842000000, }, + { HI3559AV100_FIXED_792M, "792m", NULL, 0, 792000000, }, + { HI3559AV100_FIXED_750M, "750m", NULL, 0, 750000000, }, + { HI3559AV100_FIXED_710M, "710m", NULL, 0, 710000000, }, + { HI3559AV100_FIXED_680M, "680m", NULL, 0, 680000000, }, + { HI3559AV100_FIXED_667M, "667m", NULL, 0, 667000000, }, + { HI3559AV100_FIXED_631M, "631m", NULL, 0, 631000000, }, + { HI3559AV100_FIXED_600M, "600m", NULL, 0, 600000000, }, + { HI3559AV100_FIXED_568M, "568m", NULL, 0, 568000000, }, + { HI3559AV100_FIXED_500M, "500m", NULL, 0, 500000000, }, + { HI3559AV100_FIXED_475M, "475m", NULL, 0, 475000000, }, + { HI3559AV100_FIXED_428M, "428m", NULL, 0, 428000000, }, + { HI3559AV100_FIXED_400M, "400m", NULL, 0, 400000000, }, + { HI3559AV100_FIXED_396M, "396m", NULL, 0, 396000000, }, + { HI3559AV100_FIXED_300M, "300m", NULL, 0, 300000000, }, + { HI3559AV100_FIXED_250M, "250m", NULL, 0, 250000000, }, + { HI3559AV100_FIXED_200M, "200m", NULL, 0, 200000000, }, + { HI3559AV100_FIXED_198M, "198m", NULL, 0, 198000000, }, + { HI3559AV100_FIXED_187p5M, "187p5m", NULL, 0, 187500000, }, + { HI3559AV100_FIXED_150M, "150m", NULL, 0, 150000000, }, + { HI3559AV100_FIXED_148p5M, "148p5m", NULL, 0, 1485000000, }, + { HI3559AV100_FIXED_125M, "125m", NULL, 0, 125000000, }, + { HI3559AV100_FIXED_107M, "107m", NULL, 0, 107000000, }, + { HI3559AV100_FIXED_100M, "100m", NULL, 0, 100000000, }, + { HI3559AV100_FIXED_99M, "99m", NULL, 0, 99000000, }, + { HI3559AV100_FIXED_75M, "75m", NULL, 0, 75000000, }, + { HI3559AV100_FIXED_74p25M, "74p25m", NULL, 0, 74250000, }, + { HI3559AV100_FIXED_72M, "72m", NULL, 0, 72000000, }, + { HI3559AV100_FIXED_60M, "60m", NULL, 0, 60000000, }, + { HI3559AV100_FIXED_54M, "54m", NULL, 0, 54000000, }, + { HI3559AV100_FIXED_50M, "50m", NULL, 0, 50000000, }, + { HI3559AV100_FIXED_49p5M, "49p5m", NULL, 0, 49500000, }, + { HI3559AV100_FIXED_37p125M, "37p125m", NULL, 0, 37125000, }, + { HI3559AV100_FIXED_36M, "36m", NULL, 0, 36000000, }, + { HI3559AV100_FIXED_32p4M, "32p4m", NULL, 0, 32400000, }, + { HI3559AV100_FIXED_27M, "27m", NULL, 0, 27000000, }, + { HI3559AV100_FIXED_25M, "25m", NULL, 0, 25000000, }, + { HI3559AV100_FIXED_24M, "24m", NULL, 0, 24000000, }, + { HI3559AV100_FIXED_12M, "12m", NULL, 0, 12000000, }, + { HI3559AV100_FIXED_3M, "3m", NULL, 0, 3000000, }, + { HI3559AV100_FIXED_1p6M, "1p6m", NULL, 0, 1600000, }, + { HI3559AV100_FIXED_400K, "400k", NULL, 0, 400000, }, + { HI3559AV100_FIXED_100K, "100k", NULL, 0, 100000, }, +}; + + +static const char *fmc_mux_p[] __initconst = { + "24m", "75m", "125m", "150m", "200m", "250m", "300m", "400m" +}; + +static const char *mmc_mux_p[] __initconst = { + "100k", "25m", "49p5m", "99m", "187p5m", "150m", "198m", "400k" +}; + +static const char *sysapb_mux_p[] __initconst = { + "24m", "50m", +}; + +static const char *sysbus_mux_p[] __initconst = { + "24m", "300m" +}; + +static const char *uart_mux_p[] __initconst = { "50m", "24m", "3m" }; + +static const char *a73_clksel_mux_p[] __initconst = { + "24m", "apll", "1000m" +}; + +static const u32 fmc_mux_table[] = { 0, 1, 2, 3, 4, 5, 6, 7 }; +static const u32 mmc_mux_table[] = { 0, 1, 2, 3, 4, 5, 6, 7 }; +static const u32 sysapb_mux_table[] = { 0, 1 }; +static const u32 sysbus_mux_table[] = { 0, 1 }; +static const u32 uart_mux_table[] = { 0, 1, 2 }; +static const u32 a73_clksel_mux_table[] = { 0, 1, 2 }; + +static struct hisi_mux_clock hi3559av100_mux_clks_crg[] __initdata = { + { + HI3559AV100_FMC_MUX, "fmc_mux", fmc_mux_p, ARRAY_SIZE(fmc_mux_p), + CLK_SET_RATE_PARENT, 0x170, 2, 3, 0, fmc_mux_table, + }, + { + HI3559AV100_MMC0_MUX, "mmc0_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), + CLK_SET_RATE_PARENT, 0x1a8, 24, 3, 0, mmc_mux_table, + }, + { + HI3559AV100_MMC1_MUX, "mmc1_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), + CLK_SET_RATE_PARENT, 0x1ec, 24, 3, 0, mmc_mux_table, + }, + + { + HI3559AV100_MMC2_MUX, "mmc2_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), + CLK_SET_RATE_PARENT, 0x214, 24, 3, 0, mmc_mux_table, + }, + + { + HI3559AV100_MMC3_MUX, "mmc3_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), + CLK_SET_RATE_PARENT, 0x23c, 24, 3, 0, mmc_mux_table, + }, + + { + HI3559AV100_SYSAPB_MUX, "sysapb_mux", sysapb_mux_p, ARRAY_SIZE(sysapb_mux_p), + CLK_SET_RATE_PARENT, 0xe8, 3, 1, 0, sysapb_mux_table + }, + + { + HI3559AV100_SYSBUS_MUX, "sysbus_mux", sysbus_mux_p, ARRAY_SIZE(sysbus_mux_p), + CLK_SET_RATE_PARENT, 0xe8, 0, 1, 0, sysbus_mux_table + }, + + { + HI3559AV100_UART_MUX, "uart_mux", uart_mux_p, ARRAY_SIZE(uart_mux_p), + CLK_SET_RATE_PARENT, 0x198, 28, 2, 0, uart_mux_table + }, + + { + HI3559AV100_A73_MUX, "a73_mux", a73_clksel_mux_p, ARRAY_SIZE(a73_clksel_mux_p), + CLK_SET_RATE_PARENT, 0xe4, 0, 2, 0, a73_clksel_mux_table + }, +}; + +static struct hisi_gate_clock hi3559av100_gate_clks[] __initdata = { + { + HI3559AV100_FMC_CLK, "clk_fmc", "fmc_mux", + CLK_SET_RATE_PARENT, 0x170, 1, 0, + }, + { + HI3559AV100_MMC0_CLK, "clk_mmc0", "mmc0_mux", + CLK_SET_RATE_PARENT, 0x1a8, 28, 0, + }, + { + HI3559AV100_MMC1_CLK, "clk_mmc1", "mmc1_mux", + CLK_SET_RATE_PARENT, 0x1ec, 28, 0, + }, + { + HI3559AV100_MMC2_CLK, "clk_mmc2", "mmc2_mux", + CLK_SET_RATE_PARENT, 0x214, 28, 0, + }, + { + HI3559AV100_MMC3_CLK, "clk_mmc3", "mmc3_mux", + CLK_SET_RATE_PARENT, 0x23c, 28, 0, + }, + { + HI3559AV100_UART0_CLK, "clk_uart0", "uart_mux", + CLK_SET_RATE_PARENT, 0x198, 23, 0, + }, + { + HI3559AV100_UART1_CLK, "clk_uart1", "uart_mux", + CLK_SET_RATE_PARENT, 0x198, 24, 0, + }, + { + HI3559AV100_UART2_CLK, "clk_uart2", "uart_mux", + CLK_SET_RATE_PARENT, 0x198, 25, 0, + }, + { + HI3559AV100_UART3_CLK, "clk_uart3", "uart_mux", + CLK_SET_RATE_PARENT, 0x198, 26, 0, + }, + { + HI3559AV100_UART4_CLK, "clk_uart4", "uart_mux", + CLK_SET_RATE_PARENT, 0x198, 27, 0, + }, + { + HI3559AV100_ETH_CLK, "clk_eth", NULL, + CLK_SET_RATE_PARENT, 0x0174, 1, 0, + }, + { + HI3559AV100_ETH_MACIF_CLK, "clk_eth_macif", NULL, + CLK_SET_RATE_PARENT, 0x0174, 5, 0, + }, + { + HI3559AV100_ETH1_CLK, "clk_eth1", NULL, + CLK_SET_RATE_PARENT, 0x0174, 3, 0, + }, + { + HI3559AV100_ETH1_MACIF_CLK, "clk_eth1_macif", NULL, + CLK_SET_RATE_PARENT, 0x0174, 7, 0, + }, + { + HI3559AV100_I2C0_CLK, "clk_i2c0", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 16, 0, + }, + { + HI3559AV100_I2C1_CLK, "clk_i2c1", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 17, 0, + }, + { + HI3559AV100_I2C2_CLK, "clk_i2c2", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 18, 0, + }, + { + HI3559AV100_I2C3_CLK, "clk_i2c3", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 19, 0, + }, + { + HI3559AV100_I2C4_CLK, "clk_i2c4", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 20, 0, + }, + { + HI3559AV100_I2C5_CLK, "clk_i2c5", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 21, 0, + }, + { + HI3559AV100_I2C6_CLK, "clk_i2c6", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 22, 0, + }, + { + HI3559AV100_I2C7_CLK, "clk_i2c7", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 23, 0, + }, + { + HI3559AV100_I2C8_CLK, "clk_i2c8", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 24, 0, + }, + { + HI3559AV100_I2C9_CLK, "clk_i2c9", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 25, 0, + }, + { + HI3559AV100_I2C10_CLK, "clk_i2c10", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 26, 0, + }, + { + HI3559AV100_I2C11_CLK, "clk_i2c11", "50m", + CLK_SET_RATE_PARENT, 0x01a0, 27, 0, + }, + { + HI3559AV100_SPI0_CLK, "clk_spi0", "100m", + CLK_SET_RATE_PARENT, 0x0198, 16, 0, + }, + { + HI3559AV100_SPI1_CLK, "clk_spi1", "100m", + CLK_SET_RATE_PARENT, 0x0198, 17, 0, + }, + { + HI3559AV100_SPI2_CLK, "clk_spi2", "100m", + CLK_SET_RATE_PARENT, 0x0198, 18, 0, + }, + { + HI3559AV100_SPI3_CLK, "clk_spi3", "100m", + CLK_SET_RATE_PARENT, 0x0198, 19, 0, + }, + { + HI3559AV100_SPI4_CLK, "clk_spi4", "100m", + CLK_SET_RATE_PARENT, 0x0198, 20, 0, + }, + { + HI3559AV100_SPI5_CLK, "clk_spi5", "100m", + CLK_SET_RATE_PARENT, 0x0198, 21, 0, + }, + { + HI3559AV100_SPI6_CLK, "clk_spi6", "100m", + CLK_SET_RATE_PARENT, 0x0198, 22, 0, + }, + { + HI3559AV100_EDMAC_AXICLK, "axi_clk_edmac", NULL, + CLK_SET_RATE_PARENT, 0x16c, 6, 0, + }, + { + HI3559AV100_EDMAC_CLK, "clk_edmac", NULL, + CLK_SET_RATE_PARENT, 0x16c, 5, 0, + }, + { + HI3559AV100_EDMAC1_AXICLK, "axi_clk_edmac1", NULL, + CLK_SET_RATE_PARENT, 0x16c, 9, 0, + }, + { + HI3559AV100_EDMAC1_CLK, "clk_edmac1", NULL, + CLK_SET_RATE_PARENT, 0x16c, 8, 0, + }, + { + HI3559AV100_VDMAC_CLK, "clk_vdmac", NULL, + CLK_SET_RATE_PARENT, 0x14c, 5, 0, + }, +}; + +static struct hi3559av100_pll_clock hi3559av100_pll_clks[] __initdata = { + { + HI3559AV100_APLL_CLK, "apll", NULL, 0x0, 0, 24, 24, 3, 28, 3, + 0x4, 0, 12, 12, 6 + }, + { + HI3559AV100_GPLL_CLK, "gpll", NULL, 0x20, 0, 24, 24, 3, 28, 3, + 0x24, 0, 12, 12, 6 + }, +}; + +#define to_pll_clk(_hw) container_of(_hw, struct hi3559av100_clk_pll, hw) +static void hi3559av100_calc_pll(u32 *frac_val, u32 *postdiv1_val, + u32 *postdiv2_val, + u32 *fbdiv_val, u32 *refdiv_val, u64 rate) +{ + u64 rem; + + *postdiv1_val = 2; + *postdiv2_val = 1; + + rate = rate * ((*postdiv1_val) * (*postdiv2_val)); + + *frac_val = 0; + rem = do_div(rate, 1000000); + rem = do_div(rate, PLL_MASK_WIDTH); + *fbdiv_val = rate; + *refdiv_val = 1; + rem = rem * (1 << PLL_MASK_WIDTH); + do_div(rem, PLL_MASK_WIDTH); + *frac_val = rem; +} + +static int clk_pll_set_rate(struct clk_hw *hw, + unsigned long rate, + unsigned long parent_rate) +{ + struct hi3559av100_clk_pll *clk = to_pll_clk(hw); + u32 frac_val, postdiv1_val, postdiv2_val, fbdiv_val, refdiv_val; + u32 val; + + postdiv1_val = postdiv2_val = 0; + + hi3559av100_calc_pll(&frac_val, &postdiv1_val, &postdiv2_val, + &fbdiv_val, &refdiv_val, (u64)rate); + + val = readl_relaxed(clk->ctrl_reg1); + val &= ~(((1 << clk->frac_width) - 1) << clk->frac_shift); + val &= ~(((1 << clk->postdiv1_width) - 1) << clk->postdiv1_shift); + val &= ~(((1 << clk->postdiv2_width) - 1) << clk->postdiv2_shift); + + val |= frac_val << clk->frac_shift; + val |= postdiv1_val << clk->postdiv1_shift; + val |= postdiv2_val << clk->postdiv2_shift; + writel_relaxed(val, clk->ctrl_reg1); + + val = readl_relaxed(clk->ctrl_reg2); + val &= ~(((1 << clk->fbdiv_width) - 1) << clk->fbdiv_shift); + val &= ~(((1 << clk->refdiv_width) - 1) << clk->refdiv_shift); + + val |= fbdiv_val << clk->fbdiv_shift; + val |= refdiv_val << clk->refdiv_shift; + writel_relaxed(val, clk->ctrl_reg2); + + return 0; +} + +static unsigned long clk_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct hi3559av100_clk_pll *clk = to_pll_clk(hw); + u64 frac_val, fbdiv_val, refdiv_val; + u32 postdiv1_val, postdiv2_val; + u32 val; + u64 tmp, rate; + + val = readl_relaxed(clk->ctrl_reg1); + val = val >> clk->frac_shift; + val &= ((1 << clk->frac_width) - 1); + frac_val = val; + + val = readl_relaxed(clk->ctrl_reg1); + val = val >> clk->postdiv1_shift; + val &= ((1 << clk->postdiv1_width) - 1); + postdiv1_val = val; + + val = readl_relaxed(clk->ctrl_reg1); + val = val >> clk->postdiv2_shift; + val &= ((1 << clk->postdiv2_width) - 1); + postdiv2_val = val; + + val = readl_relaxed(clk->ctrl_reg2); + val = val >> clk->fbdiv_shift; + val &= ((1 << clk->fbdiv_width) - 1); + fbdiv_val = val; + + val = readl_relaxed(clk->ctrl_reg2); + val = val >> clk->refdiv_shift; + val &= ((1 << clk->refdiv_width) - 1); + refdiv_val = val; + + /* rate = 24000000 * (fbdiv + frac / (1<<24) ) / refdiv */ + rate = 0; + tmp = 24000000 * fbdiv_val + (24000000 * frac_val) / (1 << 24); + rate += tmp; + do_div(rate, refdiv_val); + do_div(rate, postdiv1_val * postdiv2_val); + + return rate; +} + +static const struct clk_ops hisi_clk_pll_ops = { + .set_rate = clk_pll_set_rate, + .recalc_rate = clk_pll_recalc_rate, +}; + +static void hisi_clk_register_pll(struct hi3559av100_pll_clock *clks, + int nums, struct hisi_clock_data *data, struct device *dev) +{ + void __iomem *base = data->base; + struct hi3559av100_clk_pll *p_clk = NULL; + struct clk *clk = NULL; + struct clk_init_data init; + int i; + + p_clk = devm_kzalloc(dev, sizeof(*p_clk) * nums, GFP_KERNEL); + + if (!p_clk) + return; + + for (i = 0; i < nums; i++) { + init.name = clks[i].name; + init.flags = 0; + init.parent_names = + (clks[i].parent_name ? &clks[i].parent_name : NULL); + init.num_parents = (clks[i].parent_name ? 1 : 0); + init.ops = &hisi_clk_pll_ops; + + p_clk->ctrl_reg1 = base + clks[i].ctrl_reg1; + p_clk->frac_shift = clks[i].frac_shift; + p_clk->frac_width = clks[i].frac_width; + p_clk->postdiv1_shift = clks[i].postdiv1_shift; + p_clk->postdiv1_width = clks[i].postdiv1_width; + p_clk->postdiv2_shift = clks[i].postdiv2_shift; + p_clk->postdiv2_width = clks[i].postdiv2_width; + + p_clk->ctrl_reg2 = base + clks[i].ctrl_reg2; + p_clk->fbdiv_shift = clks[i].fbdiv_shift; + p_clk->fbdiv_width = clks[i].fbdiv_width; + p_clk->refdiv_shift = clks[i].refdiv_shift; + p_clk->refdiv_width = clks[i].refdiv_width; + p_clk->hw.init = &init; + + clk = clk_register(NULL, &p_clk->hw); + if (IS_ERR(clk)) { + kfree(p_clk); + dev_err(dev, "%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + + data->clk_data.clks[clks[i].id] = clk; + p_clk++; + } +} + +static __init struct hisi_clock_data *hi3559av100_clk_register( + struct platform_device *pdev) +{ + struct hisi_clock_data *clk_data; + int ret; + + clk_data = hisi_clk_alloc(pdev, HI3559AV100_CRG_NR_CLKS); + if (!clk_data) + return ERR_PTR(-ENOMEM); + + ret = hisi_clk_register_fixed_rate(hi3559av100_fixed_rate_clks_crg, + ARRAY_SIZE(hi3559av100_fixed_rate_clks_crg), clk_data); + if (ret) + return ERR_PTR(ret); + + hisi_clk_register_pll(hi3559av100_pll_clks, + ARRAY_SIZE(hi3559av100_pll_clks), clk_data, &pdev->dev); + + ret = hisi_clk_register_mux(hi3559av100_mux_clks_crg, + ARRAY_SIZE(hi3559av100_mux_clks_crg), clk_data); + if (ret) + goto unregister_fixed_rate; + + ret = hisi_clk_register_gate(hi3559av100_gate_clks, + ARRAY_SIZE(hi3559av100_gate_clks), clk_data); + if (ret) + goto unregister_mux; + + ret = of_clk_add_provider(pdev->dev.of_node, + of_clk_src_onecell_get, &clk_data->clk_data); + if (ret) + goto unregister_gate; + + return clk_data; + +unregister_gate: + hisi_clk_unregister_gate(hi3559av100_gate_clks, + ARRAY_SIZE(hi3559av100_gate_clks), clk_data); +unregister_mux: + hisi_clk_unregister_mux(hi3559av100_mux_clks_crg, + ARRAY_SIZE(hi3559av100_mux_clks_crg), clk_data); +unregister_fixed_rate: + hisi_clk_unregister_fixed_rate(hi3559av100_fixed_rate_clks_crg, + ARRAY_SIZE(hi3559av100_fixed_rate_clks_crg), clk_data); + return ERR_PTR(ret); +} + +static __init void hi3559av100_clk_unregister(struct platform_device *pdev) +{ + struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + + of_clk_del_provider(pdev->dev.of_node); + + hisi_clk_unregister_gate(hi3559av100_gate_clks, + ARRAY_SIZE(hi3559av100_gate_clks), crg->clk_data); + hisi_clk_unregister_mux(hi3559av100_mux_clks_crg, + ARRAY_SIZE(hi3559av100_mux_clks_crg), crg->clk_data); + hisi_clk_unregister_fixed_rate(hi3559av100_fixed_rate_clks_crg, + ARRAY_SIZE(hi3559av100_fixed_rate_clks_crg), crg->clk_data); +} + +static const struct hisi_crg_funcs hi3559av100_crg_funcs = { + .register_clks = hi3559av100_clk_register, + .unregister_clks = hi3559av100_clk_unregister, +}; + +static struct hisi_fixed_rate_clock hi3559av100_shub_fixed_rate_clks[] + __initdata = { + { HI3559AV100_SHUB_SOURCE_SOC_24M, "clk_source_24M", NULL, 0, 24000000UL, }, + { HI3559AV100_SHUB_SOURCE_SOC_200M, "clk_source_200M", NULL, 0, 200000000UL, }, + { HI3559AV100_SHUB_SOURCE_SOC_300M, "clk_source_300M", NULL, 0, 300000000UL, }, + { HI3559AV100_SHUB_SOURCE_PLL, "clk_source_PLL", NULL, 0, 192000000UL, }, + { HI3559AV100_SHUB_I2C0_CLK, "clk_shub_i2c0", NULL, 0, 48000000UL, }, + { HI3559AV100_SHUB_I2C1_CLK, "clk_shub_i2c1", NULL, 0, 48000000UL, }, + { HI3559AV100_SHUB_I2C2_CLK, "clk_shub_i2c2", NULL, 0, 48000000UL, }, + { HI3559AV100_SHUB_I2C3_CLK, "clk_shub_i2c3", NULL, 0, 48000000UL, }, + { HI3559AV100_SHUB_I2C4_CLK, "clk_shub_i2c4", NULL, 0, 48000000UL, }, + { HI3559AV100_SHUB_I2C5_CLK, "clk_shub_i2c5", NULL, 0, 48000000UL, }, + { HI3559AV100_SHUB_I2C6_CLK, "clk_shub_i2c6", NULL, 0, 48000000UL, }, + { HI3559AV100_SHUB_I2C7_CLK, "clk_shub_i2c7", NULL, 0, 48000000UL, }, + { HI3559AV100_SHUB_UART_CLK_32K, "clk_uart_32K", NULL, 0, 32000UL, }, +}; + +/* shub mux clk */ +static u32 shub_source_clk_mux_table[] = {0, 1, 2, 3}; +static const char *shub_source_clk_mux_p[] __initconst = { + "clk_source_24M", "clk_source_200M", "clk_source_300M", "clk_source_PLL" +}; + +static u32 shub_uart_source_clk_mux_table[] = {0, 1, 2, 3}; +static const char *shub_uart_source_clk_mux_p[] __initconst = { + "clk_uart_32K", "clk_uart_div_clk", "clk_uart_div_clk", "clk_source_24M" +}; + +static struct hisi_mux_clock hi3559av100_shub_mux_clks[] __initdata = { + { + HI3559AV100_SHUB_SOURCE_CLK, "shub_clk", shub_source_clk_mux_p, + ARRAY_SIZE(shub_source_clk_mux_p), + 0, 0x0, 0, 2, 0, shub_source_clk_mux_table, + }, + + { + HI3559AV100_SHUB_UART_SOURCE_CLK, "shub_uart_source_clk", + shub_uart_source_clk_mux_p, ARRAY_SIZE(shub_uart_source_clk_mux_p), + 0, 0x1c, 28, 2, 0, shub_uart_source_clk_mux_table, + }, +}; + + +/* shub div clk */ +struct clk_div_table shub_spi_clk_table[] = {{0, 8}, {1, 4}, {2, 2}}; +struct clk_div_table shub_spi4_clk_table[] = {{0, 8}, {1, 4}, {2, 2}, {3, 1}}; +struct clk_div_table shub_uart_div_clk_table[] = {{1, 8}, {2, 4}}; + +struct hisi_divider_clock hi3559av100_shub_div_clks[] __initdata = { + { HI3559AV100_SHUB_SPI_SOURCE_CLK, "clk_spi_clk", "shub_clk", 0, 0x20, 24, 2, + CLK_DIVIDER_ALLOW_ZERO, shub_spi_clk_table, + }, + { HI3559AV100_SHUB_UART_DIV_CLK, "clk_uart_div_clk", "shub_clk", 0, 0x1c, 28, 2, + CLK_DIVIDER_ALLOW_ZERO, shub_uart_div_clk_table, + }, +}; + +/* shub gate clk */ +static struct hisi_gate_clock hi3559av100_shub_gate_clks[] __initdata = { + { + HI3559AV100_SHUB_SPI0_CLK, "clk_shub_spi0", "clk_spi_clk", + 0, 0x20, 1, 0, + }, + { + HI3559AV100_SHUB_SPI1_CLK, "clk_shub_spi1", "clk_spi_clk", + 0, 0x20, 5, 0, + }, + { + HI3559AV100_SHUB_SPI2_CLK, "clk_shub_spi2", "clk_spi_clk", + 0, 0x20, 9, 0, + }, + + { + HI3559AV100_SHUB_UART0_CLK, "clk_shub_uart0", "shub_uart_source_clk", + 0, 0x1c, 1, 0, + }, + { + HI3559AV100_SHUB_UART1_CLK, "clk_shub_uart1", "shub_uart_source_clk", + 0, 0x1c, 5, 0, + }, + { + HI3559AV100_SHUB_UART2_CLK, "clk_shub_uart2", "shub_uart_source_clk", + 0, 0x1c, 9, 0, + }, + { + HI3559AV100_SHUB_UART3_CLK, "clk_shub_uart3", "shub_uart_source_clk", + 0, 0x1c, 13, 0, + }, + { + HI3559AV100_SHUB_UART4_CLK, "clk_shub_uart4", "shub_uart_source_clk", + 0, 0x1c, 17, 0, + }, + { + HI3559AV100_SHUB_UART5_CLK, "clk_shub_uart5", "shub_uart_source_clk", + 0, 0x1c, 21, 0, + }, + { + HI3559AV100_SHUB_UART6_CLK, "clk_shub_uart6", "shub_uart_source_clk", + 0, 0x1c, 25, 0, + }, + + { + HI3559AV100_SHUB_EDMAC_CLK, "clk_shub_dmac", "shub_clk", + 0, 0x24, 4, 0, + }, +}; + +static int hi3559av100_shub_default_clk_set(void) +{ + void *crg_base; + unsigned int val; + + crg_base = ioremap(CRG_BASE_ADDR, SZ_4K); + + /* SSP: 192M/2 */ + val = readl_relaxed(crg_base + 0x20); + val |= (0x2 << 24); + writel_relaxed(val, crg_base + 0x20); + + /* UART: 192M/8 */ + val = readl_relaxed(crg_base + 0x1C); + val |= (0x1 << 28); + writel_relaxed(val, crg_base + 0x1C); + + iounmap(crg_base); + crg_base = NULL; + + return 0; +} + +static __init struct hisi_clock_data *hi3559av100_shub_clk_register( + struct platform_device *pdev) +{ + struct hisi_clock_data *clk_data = NULL; + int ret; + + hi3559av100_shub_default_clk_set(); + + clk_data = hisi_clk_alloc(pdev, HI3559AV100_SHUB_NR_CLKS); + if (!clk_data) + return ERR_PTR(-ENOMEM); + + ret = hisi_clk_register_fixed_rate(hi3559av100_shub_fixed_rate_clks, + ARRAY_SIZE(hi3559av100_shub_fixed_rate_clks), clk_data); + if (ret) + return ERR_PTR(ret); + + ret = hisi_clk_register_mux(hi3559av100_shub_mux_clks, + ARRAY_SIZE(hi3559av100_shub_mux_clks), clk_data); + if (ret) + goto unregister_fixed_rate; + + ret = hisi_clk_register_divider(hi3559av100_shub_div_clks, + ARRAY_SIZE(hi3559av100_shub_div_clks), clk_data); + if (ret) + goto unregister_mux; + + ret = hisi_clk_register_gate(hi3559av100_shub_gate_clks, + ARRAY_SIZE(hi3559av100_shub_gate_clks), clk_data); + if (ret) + goto unregister_factor; + + ret = of_clk_add_provider(pdev->dev.of_node, + of_clk_src_onecell_get, &clk_data->clk_data); + if (ret) + goto unregister_gate; + + return clk_data; + +unregister_gate: + hisi_clk_unregister_gate(hi3559av100_shub_gate_clks, + ARRAY_SIZE(hi3559av100_shub_gate_clks), clk_data); +unregister_factor: + hisi_clk_unregister_divider(hi3559av100_shub_div_clks, + ARRAY_SIZE(hi3559av100_shub_div_clks), clk_data); +unregister_mux: + hisi_clk_unregister_mux(hi3559av100_shub_mux_clks, + ARRAY_SIZE(hi3559av100_shub_mux_clks), clk_data); +unregister_fixed_rate: + hisi_clk_unregister_fixed_rate(hi3559av100_shub_fixed_rate_clks, + ARRAY_SIZE(hi3559av100_shub_fixed_rate_clks), clk_data); + return ERR_PTR(ret); +} + +static __init void hi3559av100_shub_clk_unregister(struct platform_device *pdev) +{ + struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + + of_clk_del_provider(pdev->dev.of_node); + + hisi_clk_unregister_gate(hi3559av100_shub_gate_clks, + ARRAY_SIZE(hi3559av100_shub_gate_clks), crg->clk_data); + hisi_clk_unregister_divider(hi3559av100_shub_div_clks, + ARRAY_SIZE(hi3559av100_shub_div_clks), crg->clk_data); + hisi_clk_unregister_mux(hi3559av100_shub_mux_clks, + ARRAY_SIZE(hi3559av100_shub_mux_clks), crg->clk_data); + hisi_clk_unregister_fixed_rate(hi3559av100_shub_fixed_rate_clks, + ARRAY_SIZE(hi3559av100_shub_fixed_rate_clks), crg->clk_data); +} + +static const struct hisi_crg_funcs hi3559av100_shub_crg_funcs = { + .register_clks = hi3559av100_shub_clk_register, + .unregister_clks = hi3559av100_shub_clk_unregister, +}; + +static const struct of_device_id hi3559av100_crg_match_table[] = { + { + .compatible = "hisilicon,hi3559av100-clock", + .data = &hi3559av100_crg_funcs + }, + { + .compatible = "hisilicon,hi3559av100-shub-clock", + .data = &hi3559av100_shub_crg_funcs + }, + { } +}; +MODULE_DEVICE_TABLE(of, hi3559av100_crg_match_table); + +static int hi3559av100_crg_probe(struct platform_device *pdev) +{ + struct hisi_crg_dev *crg; + + crg = devm_kmalloc(&pdev->dev, sizeof(*crg), GFP_KERNEL); + if (!crg) + return -ENOMEM; + + crg->funcs = of_device_get_match_data(&pdev->dev); + if (!crg->funcs) + return -ENOENT; + + crg->rstc = hisi_reset_init(pdev); + if (!crg->rstc) + return -ENOMEM; + + crg->clk_data = crg->funcs->register_clks(pdev); + if (IS_ERR(crg->clk_data)) { + hisi_reset_exit(crg->rstc); + return PTR_ERR(crg->clk_data); + } + + platform_set_drvdata(pdev, crg); + return 0; +} + +static int hi3559av100_crg_remove(struct platform_device *pdev) +{ + struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + + hisi_reset_exit(crg->rstc); + crg->funcs->unregister_clks(pdev); + return 0; +} + +static struct platform_driver hi3559av100_crg_driver = { + .probe = hi3559av100_crg_probe, + .remove = hi3559av100_crg_remove, + .driver = { + .name = "hi3559av100-clock", + .of_match_table = hi3559av100_crg_match_table, + }, +}; + +static int __init hi3559av100_crg_init(void) +{ + return platform_driver_register(&hi3559av100_crg_driver); +} +core_initcall(hi3559av100_crg_init); + +static void __exit hi3559av100_crg_exit(void) +{ + platform_driver_unregister(&hi3559av100_crg_driver); +} +module_exit(hi3559av100_crg_exit); + + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("HiSilicon Hi3559AV100 CRG Driver"); diff --git a/drivers/clk/hisilicon/clk.c b/drivers/clk/hisilicon/clk.c index 54d9fdc..9361fba 100644 --- a/drivers/clk/hisilicon/clk.c +++ b/drivers/clk/hisilicon/clk.c @@ -162,7 +162,7 @@ int hisi_clk_register_mux(const struct hisi_mux_clock *clks, clks[i].num_parents, clks[i].flags, base + clks[i].offset, clks[i].shift, mask, clks[i].mux_flags, - clks[i].table, &hisi_clk_lock); + (u32 *)clks[i].table, &hisi_clk_lock); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); diff --git a/drivers/clk/hisilicon/clk.h b/drivers/clk/hisilicon/clk.h index 61cbd90..7a9b42e 100644 --- a/drivers/clk/hisilicon/clk.h +++ b/drivers/clk/hisilicon/clk.h @@ -50,7 +50,7 @@ struct hisi_mux_clock { u8 shift; u8 width; u8 mux_flags; - u32 *table; + const u32 *table; const char *alias; };