From patchwork Thu Oct 21 20:31:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Protsenko X-Patchwork-Id: 12576521 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 CBA0CC433EF for ; Thu, 21 Oct 2021 20:31:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B019E60FE8 for ; Thu, 21 Oct 2021 20:31:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232118AbhJUUeM (ORCPT ); Thu, 21 Oct 2021 16:34:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232025AbhJUUeL (ORCPT ); Thu, 21 Oct 2021 16:34:11 -0400 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5ACFCC061348 for ; Thu, 21 Oct 2021 13:31:55 -0700 (PDT) Received: by mail-ed1-x535.google.com with SMTP id g8so5579989edb.12 for ; Thu, 21 Oct 2021 13:31:55 -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=+AAeT1s5etdXanRn4aSszKNI29PERXQFpDmpMaONVPY=; b=XCV+7ls9ymJQESDnoVrKDqw43/z3HmKtMn5kgZkGDkChRBSDIFerDu7SxdASWpHeof 5+cV3u5rkCAukglJLnxyiWawK/p6JgUWnyB9FmVXutdRGfl/RJHWan8z3DcMmS8D4S6s vAL4PlGz8U7dW7ou47v06kIyoGcnQHZlT1zU4mUF0cvXdwcFiYDE4cOaiiNF0gHiernP yUS6Lw0lPz7vmUavtVkk5gTvleJDrsTlqbkAmv+eyuIL3LW5L+3kEb9jiewMlcwlE+Ig 9OBqMN5ZxHTkgzMsYccXVF2x1K9e1KBRCVo24Wa+d9W0izFU0xMt2S9lS9Bl/jFcd/CU nUpQ== 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=+AAeT1s5etdXanRn4aSszKNI29PERXQFpDmpMaONVPY=; b=FkmXer3EUxQMuaH/g+0zymza3rlBuaOvk0Mr6r2lZ9+W3+GKTwguP3khhzWbYBTSWi kdEe07VvzfkXXI/1K3zBydDCud816QgZtTp+fAFRQuF9LnKkIcQ/k9tPb4O2liHmJUeh eTCJCRmiXSmMAavgHcjSU/1a1tlZ8ooKANuOdZJjbepb1AuieA0EPdkBTvjS+q78tbdA vvoBxam4iCtrzRdfIh5DKsQATLWLftf2EXZQmluOlyAg1N6n8+rAxLt3Vn6Bo/3gJ73n 6BE13YeFtF50O5k60WFfShQ+i8AHR1YEHVDj1ozAb0BSrrz+0v09313DtkIKZe1k7+jm vlhQ== X-Gm-Message-State: AOAM532qW48LYfObQ+j8b7RDLqgfzGHUvRU0WVFSDLLxZcgLtD/8j/xz ZA38SK9BdZfGzHBVSkd4s2caavSt60JICA== X-Google-Smtp-Source: ABdhPJx8Igs3iTlr4qpiVqe1jpwXDeVQlItrxTjJTiKYrz23gen6QSEo6M7blcHlSX3CgR4v2vi5mg== X-Received: by 2002:a17:906:c205:: with SMTP id d5mr9611265ejz.528.1634848313960; Thu, 21 Oct 2021 13:31:53 -0700 (PDT) Received: from localhost ([31.134.121.151]) by smtp.gmail.com with ESMTPSA id f7sm3296171edl.33.2021.10.21.13.31.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Oct 2021 13:31:53 -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 1/2] dt-bindings: clock: samsung: Document Exynos850 CMU_APM Date: Thu, 21 Oct 2021 23:31:51 +0300 Message-Id: <20211021203152.29312-1-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.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 --- .../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 Thu Oct 21 20:31:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Protsenko X-Patchwork-Id: 12576523 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 B7A18C4332F for ; Thu, 21 Oct 2021 20:31:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9B8B4610EA for ; Thu, 21 Oct 2021 20:31:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232249AbhJUUeO (ORCPT ); Thu, 21 Oct 2021 16:34:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232217AbhJUUeN (ORCPT ); Thu, 21 Oct 2021 16:34:13 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E912CC061243 for ; Thu, 21 Oct 2021 13:31:56 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id g8so5580145edb.12 for ; Thu, 21 Oct 2021 13:31:56 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=f0siuxcgw7m2X/71IHYvOwXnqvTwDuJHfUNaJtEEAHo=; b=J6FayyeXk2CgNccrro8EI08oHaDfP2wdnnWUSgbrMIx3VwqWsyR+KawZUBN2y5+WEP FGnWLnyXl887/6nEWk4x4O1Hg11Cz/pdwhAunATWI/5ZDyjilVl/rZPA1BLw398TPUIf nBVCdQ8TEm+3Wc/P0WJ8+jPuZlPTgLP6AbOnUyraLRDKc1lzW/Q3H09Aba7aWRD9Go1f Ga4i4bgVKTX4jRCF5uwFKtcZyGDAcU3YVJDGuNwkagdwkyxT2jrQbkyXIqjGDR+CTgyb m3/JEbmzBt3anCAl3AmdLaVl7kFa3YzitqoCjjwWyxhkFCkUYkcTYk2+KXyOWzDsyfD3 fEvw== 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=f0siuxcgw7m2X/71IHYvOwXnqvTwDuJHfUNaJtEEAHo=; b=zaHaOPOWqLNw34FwkUfzRk3o1R+jjOQJjMMuNmvBb+RxlQ2yL37kgSc5XKM85JSGU9 1j5pkm16SFDJvmcm/PYmmDsbxWBrK0SY1ZW/W481bdq3/szMoWOE2WpcynZxTNkXit9V UfqrD31OY9oKXN1O+JhH2VIHzTXpGhMv0RgR2sJpcg4LbFqio+Xl/tTkaYCV+pKGOlx5 spcYmn9pAO9WxeViFjoATQKS5PQQEU7nh5MLf5/5NAQczQBz+w2jqjUcfjBs588Alc9B sWEBhEjkpvjue/squjWJk1CK66xw+LRJTSikX0MrxWPG61ZKXbubqFP0OCffYHD8d7+d QzwQ== X-Gm-Message-State: AOAM5327cceYrcxqjQdPsb6wPB676ZcOyQn6SjNOgz6rik57nk6VoOVR odCLrXCLTbl9IQTW3qGm+sMxmA== X-Google-Smtp-Source: ABdhPJx5epRiHnvaP63MgTm+VGvuYKjf8Bv8z4EBXQIUJaLhvoEbG7W3h4DmGr0r/7pth8VCyvSBcQ== X-Received: by 2002:a17:906:6a10:: with SMTP id qw16mr10081559ejc.551.1634848315476; Thu, 21 Oct 2021 13:31:55 -0700 (PDT) Received: from localhost ([31.134.121.151]) by smtp.gmail.com with ESMTPSA id bw25sm2955686ejb.20.2021.10.21.13.31.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Oct 2021 13:31:55 -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 2/2] clk: samsung: exynos850: Implement CMU_APM domain Date: Thu, 21 Oct 2021 23:31:52 +0300 Message-Id: <20211021203152.29312-2-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211021203152.29312-1-semen.protsenko@linaro.org> References: <20211021203152.29312-1-semen.protsenko@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.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 --- drivers/clk/samsung/clk-exynos850.c | 142 +++++++++++++++++++++++++- include/dt-bindings/clock/exynos850.h | 107 +++++++++++-------- 2 files changed, 208 insertions(+), 41 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..c65e0300a8d3 100644 --- a/include/dt-bindings/clock/exynos850.h +++ b/include/dt-bindings/clock/exynos850.h @@ -16,46 +16,73 @@ #define CLK_MOUT_SHARED0_PLL 4 #define CLK_MOUT_SHARED1_PLL 5 #define CLK_MOUT_MMC_PLL 6 -#define CLK_MOUT_CORE_BUS 7 -#define CLK_MOUT_CORE_CCI 8 -#define CLK_MOUT_CORE_MMC_EMBD 9 -#define CLK_MOUT_CORE_SSS 10 -#define CLK_MOUT_DPU 11 -#define CLK_MOUT_HSI_BUS 12 -#define CLK_MOUT_HSI_MMC_CARD 13 -#define CLK_MOUT_HSI_USB20DRD 14 -#define CLK_MOUT_PERI_BUS 15 -#define CLK_MOUT_PERI_UART 16 -#define CLK_MOUT_PERI_IP 17 -#define CLK_DOUT_SHARED0_DIV3 18 -#define CLK_DOUT_SHARED0_DIV2 19 -#define CLK_DOUT_SHARED1_DIV3 20 -#define CLK_DOUT_SHARED1_DIV2 21 -#define CLK_DOUT_SHARED0_DIV4 22 -#define CLK_DOUT_SHARED1_DIV4 23 -#define CLK_DOUT_CORE_BUS 24 -#define CLK_DOUT_CORE_CCI 25 -#define CLK_DOUT_CORE_MMC_EMBD 26 -#define CLK_DOUT_CORE_SSS 27 -#define CLK_DOUT_DPU 28 -#define CLK_DOUT_HSI_BUS 29 -#define CLK_DOUT_HSI_MMC_CARD 30 -#define CLK_DOUT_HSI_USB20DRD 31 -#define CLK_DOUT_PERI_BUS 32 -#define CLK_DOUT_PERI_UART 33 -#define CLK_DOUT_PERI_IP 34 -#define CLK_GOUT_CORE_BUS 35 -#define CLK_GOUT_CORE_CCI 36 -#define CLK_GOUT_CORE_MMC_EMBD 37 -#define CLK_GOUT_CORE_SSS 38 -#define CLK_GOUT_DPU 39 -#define CLK_GOUT_HSI_BUS 40 -#define CLK_GOUT_HSI_MMC_CARD 41 -#define CLK_GOUT_HSI_USB20DRD 42 -#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 7 +#define CLK_MOUT_CORE_BUS 8 +#define CLK_MOUT_CORE_CCI 9 +#define CLK_MOUT_CORE_MMC_EMBD 10 +#define CLK_MOUT_CORE_SSS 11 +#define CLK_MOUT_DPU 12 +#define CLK_MOUT_HSI_BUS 13 +#define CLK_MOUT_HSI_MMC_CARD 14 +#define CLK_MOUT_HSI_USB20DRD 15 +#define CLK_MOUT_PERI_BUS 16 +#define CLK_MOUT_PERI_UART 17 +#define CLK_MOUT_PERI_IP 18 +#define CLK_DOUT_SHARED0_DIV3 19 +#define CLK_DOUT_SHARED0_DIV2 20 +#define CLK_DOUT_SHARED1_DIV3 21 +#define CLK_DOUT_SHARED1_DIV2 22 +#define CLK_DOUT_SHARED0_DIV4 23 +#define CLK_DOUT_SHARED1_DIV4 24 +#define CLK_DOUT_CLKCMU_APM_BUS 25 +#define CLK_DOUT_CORE_BUS 26 +#define CLK_DOUT_CORE_CCI 27 +#define CLK_DOUT_CORE_MMC_EMBD 28 +#define CLK_DOUT_CORE_SSS 29 +#define CLK_DOUT_DPU 30 +#define CLK_DOUT_HSI_BUS 31 +#define CLK_DOUT_HSI_MMC_CARD 32 +#define CLK_DOUT_HSI_USB20DRD 33 +#define CLK_DOUT_PERI_BUS 34 +#define CLK_DOUT_PERI_UART 35 +#define CLK_DOUT_PERI_IP 36 +#define CLK_GOUT_CLKCMU_APM_BUS 37 +#define CLK_GOUT_CORE_BUS 38 +#define CLK_GOUT_CORE_CCI 39 +#define CLK_GOUT_CORE_MMC_EMBD 40 +#define CLK_GOUT_CORE_SSS 41 +#define CLK_GOUT_DPU 42 +#define CLK_GOUT_HSI_BUS 43 +#define CLK_GOUT_HSI_MMC_CARD 44 +#define CLK_GOUT_HSI_USB20DRD 45 +#define CLK_GOUT_PERI_BUS 46 +#define CLK_GOUT_PERI_UART 47 +#define CLK_GOUT_PERI_IP 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