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Tue, 10 Mar 2020 12:49:47 -0700 (PDT) From: Anand Moon To: linux-usb@vger.kernel.org, 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: [PATCHv3 5/5] clk: samsung: exynos542x: Move FSYS subsystem clocks to its sub-CMU Date: Tue, 10 Mar 2020 19:48:54 +0000 Message-Id: <20200310194854.831-6-linux.amoon@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200310194854.831-1-linux.amoon@gmail.com> References: <20200310194854.831-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200310_124949_490524_F55A89A0 X-CRM114-Status: GOOD ( 14.69 ) 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: Felipe Balbi , Bartlomiej Zolnierkiewicz , Stephen Boyd , Michael Turquette , Tomasz Figa , Krzysztof Kozlowski , Chanwoo Choi , Rob Herring , Kukjin Kim , Sylwester Nawrocki , Marek Szyprowski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org FSYS power domain support usbdrd3, pdma and usb2 power gaiting, hence move FSYS clk setting to sub-CMU block to support power domain on/off sequences for device nodes. Signed-off-by: Anand Moon --- New patch in the series --- drivers/clk/samsung/clk-exynos5420.c | 45 +++++++++++++++++++++------- 1 file changed, 34 insertions(+), 11 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index c9e5a1fb6653..6c4c47dfcdce 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -859,12 +859,6 @@ static const struct samsung_div_clock exynos5x_div_clks[] __initconst = { DIV(0, "dout_maudio0", "mout_maudio0", DIV_MAU, 20, 4), DIV(0, "dout_maupcm0", "dout_maudio0", DIV_MAU, 24, 8), - /* USB3.0 */ - DIV(0, "dout_usbphy301", "mout_usbd301", DIV_FSYS0, 12, 4), - DIV(0, "dout_usbphy300", "mout_usbd300", DIV_FSYS0, 16, 4), - DIV(0, "dout_usbd301", "mout_usbd301", DIV_FSYS0, 20, 4), - DIV(0, "dout_usbd300", "mout_usbd300", DIV_FSYS0, 24, 4), - /* MMC */ DIV(0, "dout_mmc0", "mout_mmc0", DIV_FSYS1, 0, 10), DIV(0, "dout_mmc1", "mout_mmc1", DIV_FSYS1, 10, 10), @@ -1031,8 +1025,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { /* FSYS Block */ GATE(CLK_TSI, "tsi", "aclk200_fsys", GATE_BUS_FSYS0, 0, 0, 0), - GATE(CLK_PDMA0, "pdma0", "aclk200_fsys", GATE_BUS_FSYS0, 1, 0, 0), - 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), @@ -1040,9 +1032,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { 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), - GATE(CLK_USBD300, "usbd300", "aclk200_fsys", GATE_IP_FSYS, 19, 0, 0), - GATE(CLK_USBD301, "usbd301", "aclk200_fsys", GATE_IP_FSYS, 20, 0, 0), GATE(CLK_SCLK_UNIPRO, "sclk_unipro", "dout_unipro", SRC_MASK_FSYS, 24, CLK_SET_RATE_PARENT, 0), @@ -1258,6 +1247,28 @@ static struct exynos5_subcmu_reg_dump exynos5x_gsc_suspend_regs[] = { { DIV2_RATIO0, 0, 0x30 }, /* DIV dout_gscl_blk_300 */ }; +/* USB3.0 */ +static const struct samsung_div_clock exynos5x_fsys_div_clks[] __initconst = { + DIV(0, "dout_usbphy301", "mout_usbd301", DIV_FSYS0, 12, 4), + DIV(0, "dout_usbphy300", "mout_usbd300", DIV_FSYS0, 16, 4), + DIV(0, "dout_usbd301", "mout_usbd301", DIV_FSYS0, 20, 4), + DIV(0, "dout_usbd300", "mout_usbd300", DIV_FSYS0, 24, 4), +}; + +static const struct samsung_gate_clock exynos5x_fsys_gate_clks[] __initconst = { + GATE(CLK_PDMA0, "pdma0", "aclk200_fsys", GATE_BUS_FSYS0, 1, 0, 0), + GATE(CLK_PDMA1, "pdma1", "aclk200_fsys", GATE_BUS_FSYS0, 2, 0, 0), + GATE(CLK_USBH20, "usbh20", "aclk200_fsys", GATE_IP_FSYS, 18, 0, 0), + GATE(CLK_USBD300, "usbd300", "aclk200_fsys", GATE_IP_FSYS, 19, 0, 0), + GATE(CLK_USBD301, "usbd301", "aclk200_fsys", GATE_IP_FSYS, 20, 0, 0), +}; + +static struct exynos5_subcmu_reg_dump exynos5x_fsys_suspend_regs[] = { + { GATE_IP_FSYS, 0xffffffff, 0xffffffff }, /* FSYS gates */ + { SRC_TOP3, 0, BIT(24) }, /* SW_MUX_PCLK_200_FSYS_SEL */ + { SRC_TOP3, 0, BIT(28) }, /* SW_MUX_ACLK_200_FSYS_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 +1387,23 @@ static const struct exynos5_subcmu_info exynos5800_mau_subcmu = { .pd_name = "MAU", }; +static const struct exynos5_subcmu_info exynos5x_fsys_subcmu = { + .div_clks = exynos5x_fsys_div_clks, + .nr_div_clks = ARRAY_SIZE(exynos5x_fsys_div_clks), + .gate_clks = exynos5x_fsys_gate_clks, + .nr_gate_clks = ARRAY_SIZE(exynos5x_fsys_gate_clks), + .suspend_regs = exynos5x_fsys_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(exynos5x_fsys_suspend_regs), + .pd_name = "FSYS", +}; + static const struct exynos5_subcmu_info *exynos5x_subcmus[] = { &exynos5x_disp_subcmu, &exynos5x_gsc_subcmu, &exynos5x_g3d_subcmu, &exynos5x_mfc_subcmu, &exynos5x_mscl_subcmu, + &exynos5x_fsys_subcmu, }; static const struct exynos5_subcmu_info *exynos5800_subcmus[] = { @@ -1391,6 +1413,7 @@ static const struct exynos5_subcmu_info *exynos5800_subcmus[] = { &exynos5x_mfc_subcmu, &exynos5x_mscl_subcmu, &exynos5800_mau_subcmu, + &exynos5x_fsys_subcmu, }; static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __initconst = { -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel