From patchwork Tue Nov 9 16:44:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Protsenko X-Patchwork-Id: 518616 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5A9B3C4332F for ; Tue, 9 Nov 2021 16:44:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44C11610C8 for ; Tue, 9 Nov 2021 16:44:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237156AbhKIQrb (ORCPT ); Tue, 9 Nov 2021 11:47:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238283AbhKIQra (ORCPT ); Tue, 9 Nov 2021 11:47:30 -0500 Received: from mail-lj1-x236.google.com (mail-lj1-x236.google.com [IPv6:2a00:1450:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41B74C0613F5 for ; Tue, 9 Nov 2021 08:44:44 -0800 (PST) Received: by mail-lj1-x236.google.com with SMTP id h11so37538307ljk.1 for ; Tue, 09 Nov 2021 08:44:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zbEeFT9w836IBoUS4GyHRkWfg1L5EahnC9mnhgRpa3s=; b=O/Xk2B4gCaBgszZRqe5iECJPVDp9fgs4np5MIxs6v9rBORhGS6rUWSA/UBp6OvZeNf 9rCKhDC3T6UMxauO1Mr2tCrnrQnDQRQwLdjfPStGf2Pv1P8L0WID+i8VXtUHtQmq0QvS GMng+YAE6gQtqBir21OG7ztaOJAUEYsU/4UefVts4Y3XdYXn1lqQZVa+WUQGjrbHwUHf YqIv9W1vdoQ90SOQVrZv99lUsWneQ9vBcUyPSRok0pQyT9voLldbOEG8ZllIJtwiPToM v2sOYJNebzOOorfNiXdWfRJ2YEhghgMmL5tv2jj/dWf8L8dDx+3ftHUOC9jio0udaM/X DkWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zbEeFT9w836IBoUS4GyHRkWfg1L5EahnC9mnhgRpa3s=; b=ppTCQPHqQ9olgmNPhP94qiUSPloWbpmur2+UF/9f9f2E8+mtJafRxgNW4QCMcN94D5 xQmuB1T+f1iiD+RUIM26j8nRmyGzkoA9e43QIVoKBtibzhvi85JDlsxjSVp+NB+Wh0NG 8a9vXL3Eie0fwlwZhHOo2xmDI4e51Eo7gR4fHsPfxbgy+GvCKYiDv5sGPowS0FFujHoB W62jbLZaCBGNjqefeKF6LOngxmicx/8qOYedHlUh0tvWGui2NBL5RncvzqPoVtJc2W7A ZAesRavkpYqCpnPV5/kB4A/IiaOQGa6iV/BGtyfLMc+7iXqq/JmqOMbhLVbSo+RGSQvV EPYQ== X-Gm-Message-State: AOAM532CnnkYens26ePlsSFtlnx897+7MO0ya7XdLlyrTE7KGV4Z2O19 GfdBcA7LGyoZD5igbw+8/PRzbg== X-Google-Smtp-Source: ABdhPJyzTBHeQ8PnKC2U7iuglUGCvnD+FFnA9QpJYme7wrZeYt+Q7U2OEsjuI9Wxy55/GZ1kmtUVUw== X-Received: by 2002:a2e:b013:: with SMTP id y19mr9034035ljk.132.1636476281128; Tue, 09 Nov 2021 08:44:41 -0800 (PST) Received: from localhost ([31.134.121.151]) by smtp.gmail.com with ESMTPSA id p3sm737647lfo.162.2021.11.09.08.44.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Nov 2021 08:44:40 -0800 (PST) From: Sam Protsenko To: Krzysztof Kozlowski , Sylwester Nawrocki , =?utf-8?q?Pawe=C5=82_Chmiel?= , Chanwoo Choi , Tomasz Figa , Rob Herring , Stephen Boyd , Michael Turquette Cc: Sumit Semwal , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH 2/2] clk: samsung: exynos850: Implement CMU_CMGP domain Date: Tue, 9 Nov 2021 18:44:36 +0200 Message-Id: <20211109164436.11098-3-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211109164436.11098-1-semen.protsenko@linaro.org> References: <20211109164436.11098-1-semen.protsenko@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org CMU_CMGP clock domain provides clocks for CMGP IP-core (Common GPIO). CMGP module incapsulates next blocks: - 8 GPIO lines - 1 GPADC - 2 USI blocks, each can be configured to provide one of UART/SPI/HSI2C serial interfaces Signed-off-by: Sam Protsenko --- drivers/clk/samsung/clk-exynos850.c | 100 ++++++++++++++++++++++++++ include/dt-bindings/clock/exynos850.h | 17 +++++ 2 files changed, 117 insertions(+) diff --git a/drivers/clk/samsung/clk-exynos850.c b/drivers/clk/samsung/clk-exynos850.c index ecffa5c7a081..6965e1b44d24 100644 --- a/drivers/clk/samsung/clk-exynos850.c +++ b/drivers/clk/samsung/clk-exynos850.c @@ -492,6 +492,103 @@ static const struct samsung_cmu_info apm_cmu_info __initconst = { .clk_name = "dout_clkcmu_apm_bus", }; +/* ---- CMU_CMGP ------------------------------------------------------------ */ + +/* Register Offset definitions for CMU_CMGP (0x11c00000) */ +#define CLK_CON_MUX_CLK_CMGP_ADC 0x1000 +#define CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP0 0x1004 +#define CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP1 0x1008 +#define CLK_CON_DIV_DIV_CLK_CMGP_ADC 0x1800 +#define CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP0 0x1804 +#define CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP1 0x1808 +#define CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0 0x200c +#define CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1 0x2010 +#define CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK 0x2018 +#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK 0x2044 +#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK 0x2048 +#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK 0x204c +#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_PCLK 0x2050 + +static const unsigned long cmgp_clk_regs[] __initconst = { + CLK_CON_MUX_CLK_CMGP_ADC, + CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP0, + CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP1, + CLK_CON_DIV_DIV_CLK_CMGP_ADC, + CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP0, + CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP1, + CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0, + CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1, + CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK, + CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK, + CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK, + CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK, + CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_PCLK, +}; + +/* List of parent clocks for Muxes in CMU_CMGP */ +PNAME(mout_cmgp_usi0_p) = { "clk_rco_cmgp", "gout_clkcmu_cmgp_bus" }; +PNAME(mout_cmgp_usi1_p) = { "clk_rco_cmgp", "gout_clkcmu_cmgp_bus" }; +PNAME(mout_cmgp_adc_p) = { "oscclk", "dout_cmgp_adc" }; + +static const struct samsung_fixed_rate_clock cmgp_fixed_clks[] __initconst = { + FRATE(CLK_RCO_CMGP, "clk_rco_cmgp", NULL, 0, 49152000), +}; + +static const struct samsung_mux_clock cmgp_mux_clks[] __initconst = { + MUX(CLK_MOUT_CMGP_ADC, "mout_cmgp_adc", mout_cmgp_adc_p, + CLK_CON_MUX_CLK_CMGP_ADC, 0, 1), + MUX(CLK_MOUT_CMGP_USI0, "mout_cmgp_usi0", mout_cmgp_usi0_p, + CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP0, 0, 1), + MUX(CLK_MOUT_CMGP_USI1, "mout_cmgp_usi1", mout_cmgp_usi1_p, + CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP1, 0, 1), +}; + +static const struct samsung_div_clock cmgp_div_clks[] __initconst = { + DIV(CLK_DOUT_CMGP_ADC, "dout_cmgp_adc", "gout_clkcmu_cmgp_bus", + CLK_CON_DIV_DIV_CLK_CMGP_ADC, 0, 4), + DIV(CLK_DOUT_CMGP_USI0, "dout_cmgp_usi0", "mout_cmgp_usi0", + CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP0, 0, 5), + DIV(CLK_DOUT_CMGP_USI1, "dout_cmgp_usi1", "mout_cmgp_usi1", + CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP1, 0, 5), +}; + +static const struct samsung_gate_clock cmgp_gate_clks[] __initconst = { + GATE(CLK_GOUT_CMGP_ADC_S0_PCLK, "gout_adc_s0_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0, 21, 0, 0), + GATE(CLK_GOUT_CMGP_ADC_S1_PCLK, "gout_adc_s1_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1, 21, 0, 0), + GATE(CLK_GOUT_CMGP_GPIO_PCLK, "gout_gpio_cmgp_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK, 21, 0, 0), + GATE(CLK_GOUT_CMGP_USI0_IPCLK, "gout_cmgp_usi0_ipclk", "dout_cmgp_usi0", + CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK, 21, 0, 0), + GATE(CLK_GOUT_CMGP_USI0_PCLK, "gout_cmgp_usi0_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK, 21, 0, 0), + GATE(CLK_GOUT_CMGP_USI1_IPCLK, "gout_cmgp_usi1_ipclk", "dout_cmgp_usi1", + CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK, 21, 0, 0), + GATE(CLK_GOUT_CMGP_USI1_PCLK, "gout_cmgp_usi1_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_PCLK, 21, 0, 0), +}; + +static const struct samsung_cmu_info cmgp_cmu_info __initconst = { + .mux_clks = cmgp_mux_clks, + .nr_mux_clks = ARRAY_SIZE(cmgp_mux_clks), + .div_clks = cmgp_div_clks, + .nr_div_clks = ARRAY_SIZE(cmgp_div_clks), + .gate_clks = cmgp_gate_clks, + .nr_gate_clks = ARRAY_SIZE(cmgp_gate_clks), + .fixed_clks = cmgp_fixed_clks, + .nr_fixed_clks = ARRAY_SIZE(cmgp_fixed_clks), + .nr_clk_ids = CMGP_NR_CLK, + .clk_regs = cmgp_clk_regs, + .nr_clk_regs = ARRAY_SIZE(cmgp_clk_regs), + .clk_name = "gout_clkcmu_cmgp_bus", +}; + /* ---- CMU_HSI ------------------------------------------------------------- */ /* Register Offset definitions for CMU_HSI (0x13400000) */ @@ -956,6 +1053,9 @@ static const struct of_device_id exynos850_cmu_of_match[] = { { .compatible = "samsung,exynos850-cmu-apm", .data = &apm_cmu_info, + }, { + .compatible = "samsung,exynos850-cmu-cmgp", + .data = &cmgp_cmu_info, }, { .compatible = "samsung,exynos850-cmu-hsi", .data = &hsi_cmu_info, diff --git a/include/dt-bindings/clock/exynos850.h b/include/dt-bindings/clock/exynos850.h index df3978b58304..8aa5e82af0d3 100644 --- a/include/dt-bindings/clock/exynos850.h +++ b/include/dt-bindings/clock/exynos850.h @@ -84,6 +84,23 @@ #define CLK_GOUT_SPEEDY_PCLK 21 #define APM_NR_CLK 22 +/* CMU_CMGP */ +#define CLK_RCO_CMGP 1 +#define CLK_MOUT_CMGP_ADC 2 +#define CLK_MOUT_CMGP_USI0 3 +#define CLK_MOUT_CMGP_USI1 4 +#define CLK_DOUT_CMGP_ADC 5 +#define CLK_DOUT_CMGP_USI0 6 +#define CLK_DOUT_CMGP_USI1 7 +#define CLK_GOUT_CMGP_ADC_S0_PCLK 8 +#define CLK_GOUT_CMGP_ADC_S1_PCLK 9 +#define CLK_GOUT_CMGP_GPIO_PCLK 10 +#define CLK_GOUT_CMGP_USI0_IPCLK 11 +#define CLK_GOUT_CMGP_USI0_PCLK 12 +#define CLK_GOUT_CMGP_USI1_IPCLK 13 +#define CLK_GOUT_CMGP_USI1_PCLK 14 +#define CMGP_NR_CLK 15 + /* CMU_HSI */ #define CLK_MOUT_HSI_BUS_USER 1 #define CLK_MOUT_HSI_MMC_CARD_USER 2