From patchwork Fri Oct 22 22:45:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Protsenko X-Patchwork-Id: 12579131 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 5B982C433EF for ; Fri, 22 Oct 2021 22:47:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 273D56101C for ; Fri, 22 Oct 2021 22:47:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 273D56101C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=fmb1ibaSsfUBtD7ezPQfVr5767bvXAPJ8PQddTTMPv0=; b=o4f72eeHYVWTKT MarAQMV3qu3bXaq2rTOgSnuCqU6LFYatLGB1P/7j90dlfEbSXsweB1/tnpsBZ47tz7ENMh4HVxmMR JA44dUx2ig3icOYfOKfyPjbBeDjYqXZ14cjUmqmychSrGqyoIKvISTaaKGoVwYnJW3INW5NQYnA1z 6nB0BvdXeuvD+PN44Gb2YxIRip3aiQn8TiDbJzIhZzWr/y4DjvKZkfCKF8gQeju3LJTn5Pd7XRELF 7N7f7FOuvnqUy9Z6t5u86Mpszd+wJxehEfCxLWrb+wXDpHyWghnlGuSFvuiwnqozPvijxdVrQFv20 gKl+Mh5Op+u8zAD3PYJQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1me3IZ-00C3jG-Hg; Fri, 22 Oct 2021 22:46:03 +0000 Received: from mail-lf1-x12c.google.com ([2a00:1450:4864:20::12c]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1me3IV-00C3if-Qc for linux-arm-kernel@lists.infradead.org; Fri, 22 Oct 2021 22:46:01 +0000 Received: by mail-lf1-x12c.google.com with SMTP id l13so3826661lfg.6 for ; Fri, 22 Oct 2021 15:45:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Bm1KHOnXO9Nvs/x1NBP6TsM2Dt9DXyHWBfDOZJg27a8=; b=EtCKFiatwuzA4uM+E8PWtwbbAe8XzQ7UUvuAMd8cRA8gKX4PEY/yqts7H6YG7/CMLM a/wNQytvXMKCr3maJK5FIRa31QxjMM8iA5ywrCoMBLH9Jql9MR1sDkCUUBtS15bBFVTz Tik5sNTQW1jbgyPq7wLbDyz21Bm3qgQmhPnOfhgIBwCGXT5vqsDTnCEuObZXvNCxaKI2 3whQfZotJTMYyoXnHeYrq4a4wY27kJO99HoCgE6XBori3Dovuo+ufpEG6Pgbl42ce2ar wRVIKqlyderP80WeRrnGsPmnpsw7fdZoWXUlcvX1NvMLHAiuMkf30s8/jC02vQ3C+/qO KWhg== 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:mime-version :content-transfer-encoding; bh=Bm1KHOnXO9Nvs/x1NBP6TsM2Dt9DXyHWBfDOZJg27a8=; b=WCDKp3KeKnteBY/DfZlymHUiNFiC7xekvgzNOmfuDKQGYRWVD7HYpV9JLZmjVlsSam erSelc0uC1G81xAvsBI/y6jDNByV7HHKaekG5yePf8Pou1waZwdNkiVpNkIVcedkR9yj h+FSsX+wCLLljXv/7L9Vu1/m7wyNpoNjPoWezNerb0oM0wq6yi7WyY679kiVqZVelzPF mPKoVr0HJfycZ+KsljNn8B3MYr8TpfrMX6bMIDv/JwrNLB5yn3E5GIpkKPC/aHzBwIh+ V7BmHwAcK1rkeOOOdwoB30u9nah4qlIBUKocqeOguOkucOwE+FMFOTaok4Wj2A2oy5Uy h0bg== X-Gm-Message-State: AOAM531pRz3lhqWaVK3hGnlHqjLWsxoXQn/Yfq6GsPsJ9rdhVq7V9StQ xLpWmwVFp7WPlseVTM7D3saNWw== X-Google-Smtp-Source: ABdhPJykSinQrW5tYMCkfcTqTWeVNXJPpKFxklqqD0dxJjpM+ZDacTlJnAzr/PdIr/kg70ibBzjdKg== X-Received: by 2002:ac2:4426:: with SMTP id w6mr1158404lfl.90.1634942758007; Fri, 22 Oct 2021 15:45:58 -0700 (PDT) Received: from localhost ([31.134.121.151]) by smtp.gmail.com with ESMTPSA id b39sm923707lfv.200.2021.10.22.15.45.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Oct 2021 15:45:57 -0700 (PDT) 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 v2 1/2] dt-bindings: clock: samsung: Document Exynos850 CMU_APM Date: Sat, 23 Oct 2021 01:45:55 +0300 Message-Id: <20211022224556.18742-1-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211022_154559_918134_36281EF2 X-CRM114-Status: UNSURE ( 9.53 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CMU_APM generates clocks for APM IP-core (Active Power Management). In particular it generates RTC clocks, which are needed to enable rtc-s3c driver on Exynos850 SoC. Signed-off-by: Sam Protsenko Reviewed-by: Krzysztof Kozlowski Acked-by: Chanwoo Choi Reviewed-by: Rob Herring --- Changes in v2: - Added R-b tag by Krzysztof Kozlowski - Added Ack by Chanwoo Choi .../clock/samsung,exynos850-clock.yaml | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml index 7f8c91a29b91..5618cfa62f80 100644 --- a/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml +++ b/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml @@ -32,6 +32,7 @@ properties: compatible: enum: - samsung,exynos850-cmu-top + - samsung,exynos850-cmu-apm - samsung,exynos850-cmu-core - samsung,exynos850-cmu-dpu - samsung,exynos850-cmu-hsi @@ -68,6 +69,24 @@ allOf: items: - const: oscclk + - if: + properties: + compatible: + contains: + const: samsung,exynos850-cmu-apm + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + - description: CMU_APM bus clock (from CMU_TOP) + + clock-names: + items: + - const: oscclk + - const: dout_clkcmu_apm_bus + - if: properties: compatible: From patchwork Fri Oct 22 22:45:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Protsenko X-Patchwork-Id: 12579133 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 CE35CC4332F for ; Fri, 22 Oct 2021 22:47:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 98EF9604DA for ; Fri, 22 Oct 2021 22:47:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 98EF9604DA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; 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Fri, 22 Oct 2021 15:45:59 -0700 (PDT) Received: from localhost ([31.134.121.151]) by smtp.gmail.com with ESMTPSA id c15sm850057lft.244.2021.10.22.15.45.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Oct 2021 15:45:58 -0700 (PDT) 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 v2 2/2] clk: samsung: exynos850: Implement CMU_APM domain Date: Sat, 23 Oct 2021 01:45:56 +0300 Message-Id: <20211022224556.18742-2-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211022224556.18742-1-semen.protsenko@linaro.org> References: <20211022224556.18742-1-semen.protsenko@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211022_154601_060330_425F3962 X-CRM114-Status: GOOD ( 19.46 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CMU_APM clock domain provides clocks for APM IP-core (Active Power Management). According to Exynos850 TRM, CMU_APM generates I3C, Mailbox, Speedy, Timer, WDT, RTC and PMU clocks for BLK_ALIVE. This patch adds next clocks: - bus clocks in CMU_TOP needed for CMU_APM - all internal CMU_APM clocks - leaf clocks for I3C, Speedy and RTC IP-cores - bus clocks for CMU_CMGP and CMU_CHUB CMU_APM doesn't belong to Power Domains, but platform driver is used for its registration to keep its bus clock always running. Otherwise rtc-s3c driver disables that clock and system freezes. Signed-off-by: Sam Protsenko Reviewed-by: Krzysztof Kozlowski Acked-by: Chanwoo Choi --- Changes in v2: - Reworked clock IDs to be contiguous (don't break ABI) - Added R-b tag by Krzysztof Kozlowski drivers/clk/samsung/clk-exynos850.c | 142 +++++++++++++++++++++++++- include/dt-bindings/clock/exynos850.h | 29 +++++- 2 files changed, 169 insertions(+), 2 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos850.c b/drivers/clk/samsung/clk-exynos850.c index 2294989e244c..95e373d17b42 100644 --- a/drivers/clk/samsung/clk-exynos850.c +++ b/drivers/clk/samsung/clk-exynos850.c @@ -72,6 +72,7 @@ static void __init exynos850_init_clocks(struct device_node *np, #define PLL_CON3_PLL_SHARED0 0x014c #define PLL_CON0_PLL_SHARED1 0x0180 #define PLL_CON3_PLL_SHARED1 0x018c +#define CLK_CON_MUX_MUX_CLKCMU_APM_BUS 0x1000 #define CLK_CON_MUX_MUX_CLKCMU_CORE_BUS 0x1014 #define CLK_CON_MUX_MUX_CLKCMU_CORE_CCI 0x1018 #define CLK_CON_MUX_MUX_CLKCMU_CORE_MMC_EMBD 0x101c @@ -83,6 +84,7 @@ static void __init exynos850_init_clocks(struct device_node *np, #define CLK_CON_MUX_MUX_CLKCMU_PERI_BUS 0x1070 #define CLK_CON_MUX_MUX_CLKCMU_PERI_IP 0x1074 #define CLK_CON_MUX_MUX_CLKCMU_PERI_UART 0x1078 +#define CLK_CON_DIV_CLKCMU_APM_BUS 0x180c #define CLK_CON_DIV_CLKCMU_CORE_BUS 0x1820 #define CLK_CON_DIV_CLKCMU_CORE_CCI 0x1824 #define CLK_CON_DIV_CLKCMU_CORE_MMC_EMBD 0x1828 @@ -100,6 +102,7 @@ static void __init exynos850_init_clocks(struct device_node *np, #define CLK_CON_DIV_PLL_SHARED1_DIV2 0x1898 #define CLK_CON_DIV_PLL_SHARED1_DIV3 0x189c #define CLK_CON_DIV_PLL_SHARED1_DIV4 0x18a0 +#define CLK_CON_GAT_GATE_CLKCMU_APM_BUS 0x2008 #define CLK_CON_GAT_GATE_CLKCMU_CORE_BUS 0x201c #define CLK_CON_GAT_GATE_CLKCMU_CORE_CCI 0x2020 #define CLK_CON_GAT_GATE_CLKCMU_CORE_MMC_EMBD 0x2024 @@ -122,6 +125,7 @@ static const unsigned long top_clk_regs[] __initconst = { PLL_CON3_PLL_SHARED0, PLL_CON0_PLL_SHARED1, PLL_CON3_PLL_SHARED1, + CLK_CON_MUX_MUX_CLKCMU_APM_BUS, CLK_CON_MUX_MUX_CLKCMU_CORE_BUS, CLK_CON_MUX_MUX_CLKCMU_CORE_CCI, CLK_CON_MUX_MUX_CLKCMU_CORE_MMC_EMBD, @@ -133,6 +137,7 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_MUX_MUX_CLKCMU_PERI_BUS, CLK_CON_MUX_MUX_CLKCMU_PERI_IP, CLK_CON_MUX_MUX_CLKCMU_PERI_UART, + CLK_CON_DIV_CLKCMU_APM_BUS, CLK_CON_DIV_CLKCMU_CORE_BUS, CLK_CON_DIV_CLKCMU_CORE_CCI, CLK_CON_DIV_CLKCMU_CORE_MMC_EMBD, @@ -150,6 +155,7 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_DIV_PLL_SHARED1_DIV2, CLK_CON_DIV_PLL_SHARED1_DIV3, CLK_CON_DIV_PLL_SHARED1_DIV4, + CLK_CON_GAT_GATE_CLKCMU_APM_BUS, CLK_CON_GAT_GATE_CLKCMU_CORE_BUS, CLK_CON_GAT_GATE_CLKCMU_CORE_CCI, CLK_CON_GAT_GATE_CLKCMU_CORE_MMC_EMBD, @@ -183,6 +189,8 @@ static const struct samsung_pll_clock top_pll_clks[] __initconst = { PNAME(mout_shared0_pll_p) = { "oscclk", "fout_shared0_pll" }; PNAME(mout_shared1_pll_p) = { "oscclk", "fout_shared1_pll" }; PNAME(mout_mmc_pll_p) = { "oscclk", "fout_mmc_pll" }; +/* List of parent clocks for Muxes in CMU_TOP: for CMU_APM */ +PNAME(mout_clkcmu_apm_bus_p) = { "dout_shared0_div4", "pll_shared1_div4" }; /* List of parent clocks for Muxes in CMU_TOP: for CMU_CORE */ PNAME(mout_core_bus_p) = { "dout_shared1_div2", "dout_shared0_div3", "dout_shared1_div3", "dout_shared0_div4" }; @@ -222,6 +230,10 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = { MUX(CLK_MOUT_MMC_PLL, "mout_mmc_pll", mout_mmc_pll_p, PLL_CON0_PLL_MMC, 4, 1), + /* APM */ + MUX(CLK_MOUT_CLKCMU_APM_BUS, "mout_clkcmu_apm_bus", + mout_clkcmu_apm_bus_p, CLK_CON_MUX_MUX_CLKCMU_APM_BUS, 0, 1), + /* CORE */ MUX(CLK_MOUT_CORE_BUS, "mout_core_bus", mout_core_bus_p, CLK_CON_MUX_MUX_CLKCMU_CORE_BUS, 0, 2), @@ -268,6 +280,10 @@ static const struct samsung_div_clock top_div_clks[] __initconst = { DIV(CLK_DOUT_SHARED1_DIV4, "dout_shared1_div4", "dout_shared1_div2", CLK_CON_DIV_PLL_SHARED1_DIV4, 0, 1), + /* APM */ + DIV(CLK_DOUT_CLKCMU_APM_BUS, "dout_clkcmu_apm_bus", + "gout_clkcmu_apm_bus", CLK_CON_DIV_CLKCMU_APM_BUS, 0, 3), + /* CORE */ DIV(CLK_DOUT_CORE_BUS, "dout_core_bus", "gout_core_bus", CLK_CON_DIV_CLKCMU_CORE_BUS, 0, 4), @@ -310,6 +326,10 @@ static const struct samsung_gate_clock top_gate_clks[] __initconst = { GATE(CLK_GOUT_CORE_SSS, "gout_core_sss", "mout_core_sss", CLK_CON_GAT_GATE_CLKCMU_CORE_SSS, 21, 0, 0), + /* APM */ + GATE(CLK_GOUT_CLKCMU_APM_BUS, "gout_clkcmu_apm_bus", + "mout_clkcmu_apm_bus", CLK_CON_GAT_GATE_CLKCMU_APM_BUS, 21, 0, 0), + /* DPU */ GATE(CLK_GOUT_DPU, "gout_dpu", "mout_dpu", CLK_CON_GAT_GATE_CLKCMU_DPU, 21, 0, 0), @@ -354,6 +374,124 @@ static void __init exynos850_cmu_top_init(struct device_node *np) CLK_OF_DECLARE(exynos850_cmu_top, "samsung,exynos850-cmu-top", exynos850_cmu_top_init); +/* ---- CMU_APM ------------------------------------------------------------- */ + +/* Register Offset definitions for CMU_APM (0x11800000) */ +#define PLL_CON0_MUX_CLKCMU_APM_BUS_USER 0x0600 +#define PLL_CON0_MUX_CLK_RCO_APM_I3C_USER 0x0610 +#define PLL_CON0_MUX_CLK_RCO_APM_USER 0x0620 +#define PLL_CON0_MUX_DLL_USER 0x0630 +#define CLK_CON_MUX_MUX_CLKCMU_CHUB_BUS 0x1000 +#define CLK_CON_MUX_MUX_CLK_APM_BUS 0x1004 +#define CLK_CON_MUX_MUX_CLK_APM_I3C 0x1008 +#define CLK_CON_DIV_CLKCMU_CHUB_BUS 0x1800 +#define CLK_CON_DIV_DIV_CLK_APM_BUS 0x1804 +#define CLK_CON_DIV_DIV_CLK_APM_I3C 0x1808 +#define CLK_CON_GAT_CLKCMU_CMGP_BUS 0x2000 +#define CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS 0x2014 +#define CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK 0x2024 +#define CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK 0x2028 +#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK 0x2034 +#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK 0x2038 +#define CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK 0x20bc + +static const unsigned long apm_clk_regs[] __initconst = { + PLL_CON0_MUX_CLKCMU_APM_BUS_USER, + PLL_CON0_MUX_CLK_RCO_APM_I3C_USER, + PLL_CON0_MUX_CLK_RCO_APM_USER, + PLL_CON0_MUX_DLL_USER, + CLK_CON_MUX_MUX_CLKCMU_CHUB_BUS, + CLK_CON_MUX_MUX_CLK_APM_BUS, + CLK_CON_MUX_MUX_CLK_APM_I3C, + CLK_CON_DIV_CLKCMU_CHUB_BUS, + CLK_CON_DIV_DIV_CLK_APM_BUS, + CLK_CON_DIV_DIV_CLK_APM_I3C, + CLK_CON_GAT_CLKCMU_CMGP_BUS, + CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS, + CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK, + CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK, + CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK, + CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK, + CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK, +}; + +/* List of parent clocks for Muxes in CMU_APM */ +PNAME(mout_apm_bus_user_p) = { "oscclk_rco_apm", "dout_clkcmu_apm_bus" }; +PNAME(mout_rco_apm_i3c_user_p) = { "oscclk_rco_apm", "clk_rco_i3c_pmic" }; +PNAME(mout_rco_apm_user_p) = { "oscclk_rco_apm", "clk_rco_apm__alv" }; +PNAME(mout_dll_user_p) = { "oscclk_rco_apm", "clk_dll_dco" }; +PNAME(mout_clkcmu_chub_bus_p) = { "mout_apm_bus_user", "mout_dll_user" }; +PNAME(mout_apm_bus_p) = { "mout_rco_apm_user", "mout_apm_bus_user", + "mout_dll_user", "oscclk_rco_apm" }; +PNAME(mout_apm_i3c_p) = { "dout_apm_i3c", "mout_rco_apm_i3c_user" }; + +static const struct samsung_fixed_rate_clock apm_fixed_clks[] __initconst = { + FRATE(CLK_RCO_I3C_PMIC, "clk_rco_i3c_pmic", NULL, 0, 491520000), + FRATE(OSCCLK_RCO_APM, "oscclk_rco_apm", NULL, 0, 24576000), + FRATE(CLK_RCO_APM__ALV, "clk_rco_apm__alv", NULL, 0, 49152000), + FRATE(CLK_DLL_DCO, "clk_dll_dco", NULL, 0, 360000000), +}; + +static const struct samsung_mux_clock apm_mux_clks[] __initconst = { + MUX(CLK_MOUT_APM_BUS_USER, "mout_apm_bus_user", mout_apm_bus_user_p, + PLL_CON0_MUX_CLKCMU_APM_BUS_USER, 4, 1), + MUX(CLK_MOUT_RCO_APM_I3C_USER, "mout_rco_apm_i3c_user", + mout_rco_apm_i3c_user_p, PLL_CON0_MUX_CLK_RCO_APM_I3C_USER, 4, 1), + MUX(CLK_MOUT_RCO_APM_USER, "mout_rco_apm_user", mout_rco_apm_user_p, + PLL_CON0_MUX_CLK_RCO_APM_USER, 4, 1), + MUX(CLK_MOUT_DLL_USER, "mout_dll_user", mout_dll_user_p, + PLL_CON0_MUX_DLL_USER, 4, 1), + MUX(CLK_MOUT_CLKCMU_CHUB_BUS, "mout_clkcmu_chub_bus", + mout_clkcmu_chub_bus_p, CLK_CON_MUX_MUX_CLKCMU_CHUB_BUS, 0, 1), + MUX(CLK_MOUT_APM_BUS, "mout_apm_bus", mout_apm_bus_p, + CLK_CON_MUX_MUX_CLK_APM_BUS, 0, 2), + MUX(CLK_MOUT_APM_I3C, "mout_apm_i3c", mout_apm_i3c_p, + CLK_CON_MUX_MUX_CLK_APM_I3C, 0, 1), +}; + +static const struct samsung_div_clock apm_div_clks[] __initconst = { + DIV(CLK_DOUT_CLKCMU_CHUB_BUS, "dout_clkcmu_chub_bus", + "gout_clkcmu_chub_bus", + CLK_CON_DIV_CLKCMU_CHUB_BUS, 0, 3), + DIV(CLK_DOUT_APM_BUS, "dout_apm_bus", "mout_apm_bus", + CLK_CON_DIV_DIV_CLK_APM_BUS, 0, 3), + DIV(CLK_DOUT_APM_I3C, "dout_apm_i3c", "mout_apm_bus", + CLK_CON_DIV_DIV_CLK_APM_I3C, 0, 3), +}; + +static const struct samsung_gate_clock apm_gate_clks[] __initconst = { + GATE(CLK_GOUT_CLKCMU_CMGP_BUS, "gout_clkcmu_cmgp_bus", "dout_apm_bus", + CLK_CON_GAT_CLKCMU_CMGP_BUS, 21, 0, 0), + GATE(CLK_GOUT_CLKCMU_CHUB_BUS, "gout_clkcmu_chub_bus", + "mout_clkcmu_chub_bus", + CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS, 21, 0, 0), + GATE(CLK_GOUT_RTC_PCLK, "gout_rtc_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK, 21, 0, 0), + GATE(CLK_GOUT_TOP_RTC_PCLK, "gout_top_rtc_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK, 21, 0, 0), + GATE(CLK_GOUT_I3C_PCLK, "gout_i3c_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK, 21, 0, 0), + GATE(CLK_GOUT_I3C_SCLK, "gout_i3c_sclk", "mout_apm_i3c", + CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK, 21, 0, 0), + GATE(CLK_GOUT_SPEEDY_PCLK, "gout_speedy_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK, 21, 0, 0), +}; + +static const struct samsung_cmu_info apm_cmu_info __initconst = { + .mux_clks = apm_mux_clks, + .nr_mux_clks = ARRAY_SIZE(apm_mux_clks), + .div_clks = apm_div_clks, + .nr_div_clks = ARRAY_SIZE(apm_div_clks), + .gate_clks = apm_gate_clks, + .nr_gate_clks = ARRAY_SIZE(apm_gate_clks), + .fixed_clks = apm_fixed_clks, + .nr_fixed_clks = ARRAY_SIZE(apm_fixed_clks), + .nr_clk_ids = APM_NR_CLK, + .clk_regs = apm_clk_regs, + .nr_clk_regs = ARRAY_SIZE(apm_clk_regs), + .clk_name = "dout_clkcmu_apm_bus", +}; + /* ---- CMU_HSI ------------------------------------------------------------- */ /* Register Offset definitions for CMU_HSI (0x13400000) */ @@ -801,9 +939,11 @@ static int __init exynos850_cmu_probe(struct platform_device *pdev) return 0; } -/* CMUs which belong to Power Domains and need runtime PM to be implemented */ static const struct of_device_id exynos850_cmu_of_match[] = { { + .compatible = "samsung,exynos850-cmu-apm", + .data = &apm_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 8999184f94a2..df3978b58304 100644 --- a/include/dt-bindings/clock/exynos850.h +++ b/include/dt-bindings/clock/exynos850.h @@ -55,7 +55,34 @@ #define CLK_GOUT_PERI_BUS 43 #define CLK_GOUT_PERI_UART 44 #define CLK_GOUT_PERI_IP 45 -#define TOP_NR_CLK 46 +#define CLK_MOUT_CLKCMU_APM_BUS 46 +#define CLK_DOUT_CLKCMU_APM_BUS 47 +#define CLK_GOUT_CLKCMU_APM_BUS 48 +#define TOP_NR_CLK 49 + +/* CMU_APM */ +#define CLK_RCO_I3C_PMIC 1 +#define OSCCLK_RCO_APM 2 +#define CLK_RCO_APM__ALV 3 +#define CLK_DLL_DCO 4 +#define CLK_MOUT_APM_BUS_USER 5 +#define CLK_MOUT_RCO_APM_I3C_USER 6 +#define CLK_MOUT_RCO_APM_USER 7 +#define CLK_MOUT_DLL_USER 8 +#define CLK_MOUT_CLKCMU_CHUB_BUS 9 +#define CLK_MOUT_APM_BUS 10 +#define CLK_MOUT_APM_I3C 11 +#define CLK_DOUT_CLKCMU_CHUB_BUS 12 +#define CLK_DOUT_APM_BUS 13 +#define CLK_DOUT_APM_I3C 14 +#define CLK_GOUT_CLKCMU_CMGP_BUS 15 +#define CLK_GOUT_CLKCMU_CHUB_BUS 16 +#define CLK_GOUT_RTC_PCLK 17 +#define CLK_GOUT_TOP_RTC_PCLK 18 +#define CLK_GOUT_I3C_PCLK 19 +#define CLK_GOUT_I3C_SCLK 20 +#define CLK_GOUT_SPEEDY_PCLK 21 +#define APM_NR_CLK 22 /* CMU_HSI */ #define CLK_MOUT_HSI_BUS_USER 1