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Wed, 12 Feb 2020 04:02:50 -0800 (PST) From: Anand Moon To: Sylwester Nawrocki , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCHv1 1/2] ARM: dts: exynos: Add FSYS2 power domain to Exynos542x Date: Wed, 12 Feb 2020 12:02:36 +0000 Message-Id: <20200212120237.1332-2-linux.amoon@gmail.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200212120237.1332-1-linux.amoon@gmail.com> References: <20200212120237.1332-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200212_040251_489104_AF0AC94B X-CRM114-Status: GOOD ( 12.45 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:42a listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [linux.amoon[at]gmail.com] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stephen Boyd , Chanwoo Choi , Rob Herring , Krzysztof Kozlowski , Marek Szyprowski Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add a power domain FSYS2 for MMC device present in Exynos542x/5800 SoCs. Signed-off-by: Anand Moon --- arch/arm/boot/dts/exynos5420.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index b672080e7469..2ba8a57303cd 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -210,6 +210,7 @@ mmc_0: mmc@12200000 { clocks = <&clock CLK_MMC0>, <&clock CLK_SCLK_MMC0>; clock-names = "biu", "ciu"; fifo-depth = <0x40>; + power-domains = <&fsys2_pd>; status = "disabled"; }; @@ -222,6 +223,7 @@ mmc_1: mmc@12210000 { clocks = <&clock CLK_MMC1>, <&clock CLK_SCLK_MMC1>; clock-names = "biu", "ciu"; fifo-depth = <0x40>; + power-domains = <&fsys2_pd>; status = "disabled"; }; @@ -234,6 +236,7 @@ mmc_2: mmc@12220000 { clocks = <&clock CLK_MMC2>, <&clock CLK_SCLK_MMC2>; clock-names = "biu", "ciu"; fifo-depth = <0x40>; + power-domains = <&fsys2_pd>; status = "disabled"; }; @@ -396,6 +399,13 @@ msc_pd: power-domain@10044120 { label = "MSC"; }; + fsys2_pd: power-domain@10044160 { + compatible = "samsung,exynos4210-pd"; + reg = <0x10044160 0x20>; + #power-domain-cells = <0>; + label = "FSYS2"; + }; + pinctrl_0: pinctrl@13400000 { compatible = "samsung,exynos5420-pinctrl"; reg = <0x13400000 0x1000>; From patchwork Wed Feb 12 12:02:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 11378435 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 090E6109A for ; Wed, 12 Feb 2020 12:03:15 +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 BF25B2073C for ; Wed, 12 Feb 2020 12:03:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SuXS6xz2"; 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Wed, 12 Feb 2020 04:02:53 -0800 (PST) From: Anand Moon To: Sylwester Nawrocki , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCHv1 2/2] clk: samsung: exynos542x: Move FSYS2 subsystem clocks to its sub-CMU Date: Wed, 12 Feb 2020 12:02:37 +0000 Message-Id: <20200212120237.1332-3-linux.amoon@gmail.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200212120237.1332-1-linux.amoon@gmail.com> References: <20200212120237.1332-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200212_040255_722828_1F927773 X-CRM114-Status: GOOD ( 13.36 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [linux.amoon[at]gmail.com] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stephen Boyd , Chanwoo Choi , Rob Herring , Krzysztof Kozlowski , Marek Szyprowski Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Move FSYS2 clk setting to sub-CMU block to support power domain on/off sequences for mmc driver. Signed-off-by: Anand Moon --- Note: This patch might be missing some more setting as suspend/resume feature is broken. I could not resolve this issue at my end, any input or suggetion to improve this code. --- drivers/clk/samsung/clk-exynos5420.c | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index c9e5a1fb6653..3597e8d62445 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -1035,9 +1035,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE(CLK_PDMA1, "pdma1", "aclk200_fsys", GATE_BUS_FSYS0, 2, 0, 0), GATE(CLK_UFS, "ufs", "aclk200_fsys2", GATE_BUS_FSYS0, 3, 0, 0), GATE(CLK_RTIC, "rtic", "aclk200_fsys", GATE_IP_FSYS, 9, 0, 0), - GATE(CLK_MMC0, "mmc0", "aclk200_fsys2", GATE_IP_FSYS, 12, 0, 0), - GATE(CLK_MMC1, "mmc1", "aclk200_fsys2", GATE_IP_FSYS, 13, 0, 0), - GATE(CLK_MMC2, "mmc2", "aclk200_fsys2", GATE_IP_FSYS, 14, 0, 0), GATE(CLK_SROMC, "sromc", "aclk200_fsys2", GATE_IP_FSYS, 17, CLK_IGNORE_UNUSED, 0), GATE(CLK_USBH20, "usbh20", "aclk200_fsys", GATE_IP_FSYS, 18, 0, 0), @@ -1258,6 +1255,17 @@ static struct exynos5_subcmu_reg_dump exynos5x_gsc_suspend_regs[] = { { DIV2_RATIO0, 0, 0x30 }, /* DIV dout_gscl_blk_300 */ }; +static const struct samsung_gate_clock exynos5x_fsys2_gate_clks[] __initconst = { + GATE(CLK_MMC0, "mmc0", "aclk200_fsys2", GATE_IP_FSYS, 12, 0, 0), + GATE(CLK_MMC1, "mmc1", "aclk200_fsys2", GATE_IP_FSYS, 13, 0, 0), + GATE(CLK_MMC2, "mmc2", "aclk200_fsys2", GATE_IP_FSYS, 14, 0, 0), +}; + +static struct exynos5_subcmu_reg_dump exynos5x_fsys2_suspend_regs[] = { + { GATE_IP_FSYS, 0xff, 0xff }, /* FSYS gates */ + { SRC_TOP3, 0, BIT(12) }, /* MUX_ACLK_200_FSYS2_SEL */ +}; + static const struct samsung_gate_clock exynos5x_g3d_gate_clks[] __initconst = { GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, CLK_SET_RATE_PARENT, 0), @@ -1376,12 +1384,21 @@ static const struct exynos5_subcmu_info exynos5800_mau_subcmu = { .pd_name = "MAU", }; +static const struct exynos5_subcmu_info exynos5x_fsys2_subcmu = { + .gate_clks = exynos5x_fsys2_gate_clks, + .nr_gate_clks = ARRAY_SIZE(exynos5x_fsys2_gate_clks), + .suspend_regs = exynos5x_fsys2_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(exynos5x_fsys2_suspend_regs), + .pd_name = "FSYS2", +}; + static const struct exynos5_subcmu_info *exynos5x_subcmus[] = { &exynos5x_disp_subcmu, &exynos5x_gsc_subcmu, &exynos5x_g3d_subcmu, &exynos5x_mfc_subcmu, &exynos5x_mscl_subcmu, + &exynos5x_fsys2_subcmu, }; static const struct exynos5_subcmu_info *exynos5800_subcmus[] = { @@ -1391,6 +1408,7 @@ static const struct exynos5_subcmu_info *exynos5800_subcmus[] = { &exynos5x_mfc_subcmu, &exynos5x_mscl_subcmu, &exynos5800_mau_subcmu, + &exynos5x_fsys2_subcmu, }; static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __initconst = {