From patchwork Tue Mar 7 03:22:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Yang X-Patchwork-Id: 660113 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 1ED8EC6FA99 for ; Tue, 7 Mar 2023 03:25:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229758AbjCGDZn (ORCPT ); Mon, 6 Mar 2023 22:25:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230104AbjCGDZi (ORCPT ); Mon, 6 Mar 2023 22:25:38 -0500 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F03D53D93; Mon, 6 Mar 2023 19:25:25 -0800 (PST) Received: by mail-pj1-x1036.google.com with SMTP id 6-20020a17090a190600b00237c5b6ecd7so15225840pjg.4; Mon, 06 Mar 2023 19:25:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1678159525; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/6hdTY66OH49Ev96ciAf6b0hwoV7d073vVA3rlUpnB8=; b=n3aUM0ZoGYd6NuWVXGbsvxcma49MKobBCNEQgbgn/BcPoLoU+VrWM1RRqDqkh908Ez uo+gisuK9zONuTTrU91y8OjloWzQz6Z9W1UCLk1JKo64uNejLrXMIBTGhym5IMBRvPgT 7oM8Sr5l2OxQliTedhWcPPz2/yGIjnC3Y0LhK/nagWBByYpQgiOKGtrXApp0H8uisCt3 3T2g1KFB+pwpSsMx8EcxGZJlGM9xuAMRix4f9/dv5N4e+dwMjoU1yQL3jgancPv3UasU IhUlwLPj1bJQ3geMSrwr4pSHN8az4MNQBTSQJB7oRI739dL33Ym94g0HMZY+K7LlpOzi SLzQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678159525; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/6hdTY66OH49Ev96ciAf6b0hwoV7d073vVA3rlUpnB8=; b=Q80n5g3iNGOaiwcVPJi/BaIjyZzplOypvJ2yF4U4OFl64POpVo19EYfRLR/wpuud8W U/83h+HFkVcFgx49zYisKazrYWJ+M4X2K7Eind+5GEEksYziD9Md1vqkQeZtYXLVp367 +Y8kQ8F/l3O8QQ683Bj9A4B7FWQW4SOys6RK4Bakay8olnxTTFK+0a8u6M+fsRvw25T8 wabm7YVrqt25RDyeonBEY0OomdUvhugrAUMsXtfyeoS+3cdrypH1WFkHtX5IoqZ+Ud80 HNO8apA+gc61E59sbQEOb7YVWkJA+/e56JAQ+pbVmR+zSu9TUJtPYF+TcmIIjOCVT+9D aztg== X-Gm-Message-State: AO0yUKV7YpUiV3A1c9HSIKpURhggZ2QPMCObFHZDKy/iOVaRf2UehgTY zotCHL4c7Nlq4x1izCTJM2A= X-Google-Smtp-Source: AK7set/L93WKRE0Xluanu3w6nRp82J1WiHahZIZp+a0ua6C+RH8hVM173v26NPiSaHTbGj4+YqartA== X-Received: by 2002:a17:902:d492:b0:19d:abd:bb7e with SMTP id c18-20020a170902d49200b0019d0abdbb7emr16325574plg.34.1678159525117; Mon, 06 Mar 2023 19:25:25 -0800 (PST) Received: from y.ha.lan ([2a09:bac5:21b4:1246::1d2:a]) by smtp.gmail.com with ESMTPSA id d16-20020a170903231000b0019a997bca5csm7380022plh.121.2023.03.06.19.25.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Mar 2023 19:25:24 -0800 (PST) From: David Yang To: mmyangfl@gmail.com Cc: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 4/4] clk: hisilicon: Add CRG driver for Hi3798MV100 SoC Date: Tue, 7 Mar 2023 11:22:38 +0800 Message-Id: <20230307032243.14988-5-mmyangfl@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307032243.14988-1-mmyangfl@gmail.com> References: <20230307032243.14988-1-mmyangfl@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add CRG driver for Hi3798MV100 SoC. CRG (Clock and Reset Generator) module generates clock and reset signals used by other module blocks on SoC. Signed-off-by: David Yang --- drivers/clk/hisilicon/crg-hi3798.c | 203 +++++++++++++++++++++++++++-- 1 file changed, 189 insertions(+), 14 deletions(-) diff --git a/drivers/clk/hisilicon/crg-hi3798.c b/drivers/clk/hisilicon/crg-hi3798.c index 2477c1208..e86d772cc 100644 --- a/drivers/clk/hisilicon/crg-hi3798.c +++ b/drivers/clk/hisilicon/crg-hi3798.c @@ -38,6 +38,10 @@ #define HI3798_FIXED_166P5M 84 #define HI3798_SDIO0_MUX 85 #define HI3798_COMBPHY0_MUX 86 +#define HI3798_FIXED_3M 87 +#define HI3798_FIXED_15M 88 +#define HI3798_FIXED_83P3M 89 +#define HI3798_ETH_MUX 90 #define HI3798_CRG_NR_CLKS 128 @@ -45,13 +49,16 @@ static const struct hisi_fixed_rate_clock hi3798_fixed_rate_clks[] = { { HISTB_OSC_CLK, "clk_osc", NULL, 0, 24000000, }, { HISTB_APB_CLK, "clk_apb", NULL, 0, 100000000, }, { HISTB_AHB_CLK, "clk_ahb", NULL, 0, 200000000, }, + { HI3798_FIXED_3M, "3m", NULL, 0, 3000000, }, { HI3798_FIXED_12M, "12m", NULL, 0, 12000000, }, + { HI3798_FIXED_15M, "15m", NULL, 0, 15000000, }, { HI3798_FIXED_24M, "24m", NULL, 0, 24000000, }, { HI3798_FIXED_25M, "25m", NULL, 0, 25000000, }, { HI3798_FIXED_48M, "48m", NULL, 0, 48000000, }, { HI3798_FIXED_50M, "50m", NULL, 0, 50000000, }, { HI3798_FIXED_60M, "60m", NULL, 0, 60000000, }, { HI3798_FIXED_75M, "75m", NULL, 0, 75000000, }, + { HI3798_FIXED_83P3M, "83p3m", NULL, 0, 83333333, }, { HI3798_FIXED_100M, "100m", NULL, 0, 100000000, }, { HI3798_FIXED_150M, "150m", NULL, 0, 150000000, }, { HI3798_FIXED_166P5M, "166p5m", NULL, 0, 165000000, }, @@ -175,6 +182,182 @@ static void hi3798_sysctrl_clk_unregister( hisi_clk_unregister_gate(clks->gate_clks, clks->gate_clks_nums, crg->clk_data); } +/* hi3798MV100 */ + +static const char *const hi3798mv100_mmc_mux_p[] = { + "75m", "100m", "50m", "15m" }; +static u32 hi3798mv100_mmc_mux_table[] = {0, 1, 2, 3}; + +static const char *const hi3798mv100_eth_mux_p[] = { + "83p3m" }; +static u32 hi3798mv100_eth_mux_table[] = {2}; + +static struct hisi_mux_clock hi3798mv100_mux_clks[] = { + { HI3798_MMC_MUX, "mmc_mux", hi3798mv100_mmc_mux_p, + ARRAY_SIZE(hi3798mv100_mmc_mux_p), CLK_SET_RATE_PARENT, + 0xa0, 8, 2, 0, hi3798mv100_mmc_mux_table, }, + { HI3798_SDIO0_MUX, "sdio0_mux", hi3798mv100_mmc_mux_p, + ARRAY_SIZE(hi3798mv100_mmc_mux_p), CLK_SET_RATE_PARENT, + 0x9c, 8, 2, 0, hi3798mv100_mmc_mux_table, }, + { HI3798_ETH_MUX, "eth_mux", hi3798mv100_eth_mux_p, + ARRAY_SIZE(hi3798mv100_eth_mux_p), CLK_SET_RATE_PARENT, + 0xcc, 2, 2, 0, hi3798mv100_eth_mux_table, }, +}; + +static u32 mmc_phase_regvals[] = {0, 1, 2, 3, 4, 5, 6, 7}; +static u32 mmc_phase_degrees[] = {0, 45, 90, 135, 180, 225, 270, 315}; + +static struct hisi_phase_clock hi3798mv100_phase_clks[] = { + { HISTB_MMC_SAMPLE_CLK, "mmc_sample", "clk_mmc_ciu", + CLK_SET_RATE_PARENT, 0xa0, 12, 3, mmc_phase_degrees, + mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, + { HISTB_MMC_DRV_CLK, "mmc_drive", "clk_mmc_ciu", + CLK_SET_RATE_PARENT, 0xa0, 16, 3, mmc_phase_degrees, + mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, +}; + +static const struct hisi_gate_clock hi3798mv100_gate_clks[] = { + /* NAND */ + /* hi3798MV100 NAND driver does not get into mainline yet, + * expose these clocks when it gets ready */ + /* { HISTB_NAND_CLK, "clk_nand", "clk_apb", + CLK_SET_RATE_PARENT, 0x60, 0, 0, }, */ + /* UART */ + { HISTB_UART1_CLK, "clk_uart1", "3m", + CLK_SET_RATE_PARENT, 0x68, 0, 0, }, + { HISTB_UART2_CLK, "clk_uart2", "83p3m", + CLK_SET_RATE_PARENT, 0x68, 4, 0, }, + /* I2C */ + { HISTB_I2C0_CLK, "clk_i2c0", "clk_apb", + CLK_SET_RATE_PARENT, 0x6C, 4, 0, }, + { HISTB_I2C1_CLK, "clk_i2c1", "clk_apb", + CLK_SET_RATE_PARENT, 0x6C, 8, 0, }, + { HISTB_I2C2_CLK, "clk_i2c2", "clk_apb", + CLK_SET_RATE_PARENT, 0x6C, 12, 0, }, + /* SPI */ + { HISTB_SPI0_CLK, "clk_spi0", "clk_apb", + CLK_SET_RATE_PARENT, 0x70, 0, 0, }, + /* SDIO */ + { HISTB_SDIO0_BIU_CLK, "clk_sdio0_biu", "200m", + CLK_SET_RATE_PARENT, 0x9c, 0, 0, }, + { HISTB_SDIO0_CIU_CLK, "clk_sdio0_ciu", "sdio0_mux", + CLK_SET_RATE_PARENT, 0x9c, 1, 0, }, + /* EMMC */ + { HISTB_MMC_BIU_CLK, "clk_mmc_biu", "200m", + CLK_SET_RATE_PARENT, 0xa0, 0, 0, }, + { HISTB_MMC_CIU_CLK, "clk_mmc_ciu", "mmc_mux", + CLK_SET_RATE_PARENT, 0xa0, 1, 0, }, + /* Ethernet */ + /* hi3798MV100 Ethernet driver does not get into mainline yet, + * expose these clocks when it gets ready */ + { HI3798_ETH_BUS_CLK, "clk_bus", NULL, + CLK_SET_RATE_PARENT, 0xcc, 0, 0, }, + { HI3798_ETH_PUB_CLK, "clk_pub", "eth_mux", + CLK_SET_RATE_PARENT, 0xcc, 1, 0, }, + /* USB2 */ + { HISTB_USB2_BUS_CLK, "clk_u2_bus", "clk_ahb", + CLK_SET_RATE_PARENT, 0xb8, 0, 0, }, + { HISTB_USB2_PHY_CLK, "clk_u2_phy", "60m", + CLK_SET_RATE_PARENT, 0xb8, 4, 0, }, + { HISTB_USB2_12M_CLK, "clk_u2_12m", "12m", + CLK_SET_RATE_PARENT, 0xb8, 2, 0 }, + { HISTB_USB2_48M_CLK, "clk_u2_48m", "48m", + CLK_SET_RATE_PARENT, 0xb8, 1, 0 }, + { HISTB_USB2_UTMI_CLK, "clk_u2_utmi", "60m", + CLK_SET_RATE_PARENT, 0xb8, 5, 0 }, + { HISTB_USB2_UTMI_CLK1, "clk_u2_utmi1", "60m", + CLK_SET_RATE_PARENT, 0xb8, 6, 0 }, + { HISTB_USB2_OTG_UTMI_CLK, "clk_u2_otg_utmi", "60m", + CLK_SET_RATE_PARENT, 0xb8, 3, 0 }, + { HISTB_USB2_PHY1_REF_CLK, "clk_u2_phy1_ref", "24m", + CLK_SET_RATE_PARENT, 0xbc, 0, 0 }, + { HISTB_USB2_PHY2_REF_CLK, "clk_u2_phy2_ref", "24m", + CLK_SET_RATE_PARENT, 0xbc, 2, 0 }, + /* USB2 2 */ + { HISTB_USB2_2_BUS_CLK, "clk_u2_2_bus", "clk_ahb", + CLK_SET_RATE_PARENT, 0x198, 0, 0, }, + { HISTB_USB2_2_PHY_CLK, "clk_u2_2_phy", "60m", + CLK_SET_RATE_PARENT, 0x198, 4, 0, }, + { HISTB_USB2_2_12M_CLK, "clk_u2_2_12m", "12m", + CLK_SET_RATE_PARENT, 0x198, 2, 0 }, + { HISTB_USB2_2_48M_CLK, "clk_u2_2_48m", "48m", + CLK_SET_RATE_PARENT, 0x198, 1, 0 }, + { HISTB_USB2_2_UTMI_CLK, "clk_u2_2_utmi", "60m", + CLK_SET_RATE_PARENT, 0x198, 5, 0 }, + { HISTB_USB2_2_UTMI_CLK1, "clk_u2_2_utmi1", "60m", + CLK_SET_RATE_PARENT, 0x198, 6, 0 }, + { HISTB_USB2_2_OTG_UTMI_CLK, "clk_u2_2_otg_utmi", "60m", + CLK_SET_RATE_PARENT, 0x198, 3, 0 }, + { HISTB_USB2_2_PHY1_REF_CLK, "clk_u2_2_phy1_ref", "24m", + CLK_SET_RATE_PARENT, 0x190, 0, 0 }, + { HISTB_USB2_2_PHY2_REF_CLK, "clk_u2_2_phy2_ref", "24m", + CLK_SET_RATE_PARENT, 0x190, 2, 0 }, + /* USB3 */ + { HISTB_USB3_BUS_CLK, "clk_u3_bus", NULL, + CLK_SET_RATE_PARENT, 0xb0, 0, 0 }, + { HISTB_USB3_UTMI_CLK, "clk_u3_utmi", NULL, + CLK_SET_RATE_PARENT, 0xb0, 4, 0 }, + { HISTB_USB3_PIPE_CLK, "clk_u3_pipe", NULL, + CLK_SET_RATE_PARENT, 0xb0, 3, 0 }, + { HISTB_USB3_SUSPEND_CLK, "clk_u3_suspend", NULL, + CLK_SET_RATE_PARENT, 0xb0, 2, 0 }, +}; + +static const struct hi3798_crg_clks hi3798mv100_crg_clks_data = { + .phase_clks = hi3798mv100_phase_clks, + .phase_clks_nums = ARRAY_SIZE(hi3798mv100_phase_clks), + .mux_clks = hi3798mv100_mux_clks, + .mux_clks_nums = ARRAY_SIZE(hi3798mv100_mux_clks), + .gate_clks = hi3798mv100_gate_clks, + .gate_clks_nums = ARRAY_SIZE(hi3798mv100_gate_clks), +}; + +static struct hisi_clock_data *hi3798mv100_clk_register( + struct platform_device *pdev) +{ + return hi3798_clk_register(pdev, &hi3798mv100_crg_clks_data); +} + +static void hi3798mv100_clk_unregister(struct platform_device *pdev) +{ + hi3798_clk_unregister(pdev, &hi3798mv100_crg_clks_data); +} + +static const struct hisi_crg_funcs hi3798mv100_crg_funcs = { + .register_clks = hi3798mv100_clk_register, + .unregister_clks = hi3798mv100_clk_unregister, +}; + +static const struct hisi_gate_clock hi3798mv100_sysctrl_gate_clks[] = { + { HISTB_IR_CLK, "clk_ir", "24m", + CLK_SET_RATE_PARENT, 0x48, 4, 0, }, + { HISTB_TIMER01_CLK, "clk_timer01", "24m", + CLK_SET_RATE_PARENT, 0x48, 6, 0, }, + { HISTB_UART0_CLK, "clk_uart0", "83p3m", + CLK_SET_RATE_PARENT, 0x48, 12, 0, }, +}; + +static const struct hi3798_sysctrl_clks hi3798mv100_sysctrl_clks_data = { + .gate_clks = hi3798mv100_sysctrl_gate_clks, + .gate_clks_nums = ARRAY_SIZE(hi3798mv100_sysctrl_gate_clks), +}; + +static struct hisi_clock_data *hi3798mv100_sysctrl_clk_register( + struct platform_device *pdev) +{ + return hi3798_sysctrl_clk_register(pdev, &hi3798mv100_sysctrl_clks_data); +} + +static void hi3798mv100_sysctrl_clk_unregister(struct platform_device *pdev) +{ + hi3798_sysctrl_clk_unregister(pdev, &hi3798mv100_sysctrl_clks_data); +} + +static const struct hisi_crg_funcs hi3798mv100_sysctrl_funcs = { + .register_clks = hi3798mv100_sysctrl_clk_register, + .unregister_clks = hi3798mv100_sysctrl_clk_unregister, +}; + /* hi3798CV200 */ static const char *const hi3798cv200_mmc_mux_p[] = { @@ -204,18 +387,6 @@ static struct hisi_mux_clock hi3798cv200_mux_clks[] = { 0x9c, 8, 2, 0, hi3798cv200_sdio_mux_table, }, }; -static u32 mmc_phase_regvals[] = {0, 1, 2, 3, 4, 5, 6, 7}; -static u32 mmc_phase_degrees[] = {0, 45, 90, 135, 180, 225, 270, 315}; - -static struct hisi_phase_clock hi3798cv200_phase_clks[] = { - { HISTB_MMC_SAMPLE_CLK, "mmc_sample", "clk_mmc_ciu", - CLK_SET_RATE_PARENT, 0xa0, 12, 3, mmc_phase_degrees, - mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, - { HISTB_MMC_DRV_CLK, "mmc_drive", "clk_mmc_ciu", - CLK_SET_RATE_PARENT, 0xa0, 16, 3, mmc_phase_degrees, - mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, -}; - static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { /* UART */ { HISTB_UART2_CLK, "clk_uart2", "75m", @@ -313,8 +484,8 @@ static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { }; static const struct hi3798_crg_clks hi3798cv200_crg_clks_data = { - .phase_clks = hi3798cv200_phase_clks, - .phase_clks_nums = ARRAY_SIZE(hi3798cv200_phase_clks), + .phase_clks = hi3798mv100_phase_clks, + .phase_clks_nums = ARRAY_SIZE(hi3798mv100_phase_clks), .mux_clks = hi3798cv200_mux_clks, .mux_clks_nums = ARRAY_SIZE(hi3798cv200_mux_clks), .gate_clks = hi3798cv200_gate_clks, @@ -368,6 +539,10 @@ static const struct hisi_crg_funcs hi3798cv200_sysctrl_funcs = { }; static const struct of_device_id hi3798_crg_match_table[] = { + { .compatible = "hisilicon,hi3798mv100-crg", + .data = &hi3798mv100_crg_funcs }, + { .compatible = "hisilicon,hi3798mv100-sysctrl", + .data = &hi3798mv100_sysctrl_funcs }, { .compatible = "hisilicon,hi3798cv200-crg", .data = &hi3798cv200_crg_funcs }, { .compatible = "hisilicon,hi3798cv200-sysctrl",