[3/5] clk: samsung: exynos7885: Implement CMU_FSYS domain

Message ID	20220601233743.56317-4-virag.david003@gmail.com
State	New
Headers	show Return-Path: <linux-samsung-soc-owner@kernel.org> From: David Virag <virag.david003@gmail.com> Cc: phone-devel@vger.kernel.org, David Virag <virag.david003@gmail.com>, Sylwester Nawrocki <s.nawrocki@samsung.com>, Tomasz Figa <tomasz.figa@gmail.com>, Chanwoo Choi <cw00.choi@samsung.com>, Alim Akhtar <alim.akhtar@samsung.com>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/5] clk: samsung: exynos7885: Implement CMU_FSYS domain Date: Thu, 2 Jun 2022 01:37:41 +0200 Message-Id: <20220601233743.56317-4-virag.david003@gmail.com> In-Reply-To: <20220601233743.56317-1-virag.david003@gmail.com> References: <20220601233743.56317-1-virag.david003@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk
Series	Bring up internal eMMC on Samsung Galaxy A8 (2018) \| expand [0/5] Bring up internal eMMC on Samsung Galaxy A8 (2018) [1/5] dt-bindings: clock: Add bindings for Exynos7885 CMU_FSYS [2/5] dt-bindings: clock: Add indices for Exynos7885 TREX clocks [3/5] clk: samsung: exynos7885: Implement CMU_FSYS domain [4/5] clk: samsung: exynos7885: Add TREX clocks [5/5] arm64: dts: exynos: Add internal eMMC support to jackpotlte

diff --git a/drivers/clk/samsung/clk-exynos7885.c b/drivers/clk/samsung/clk-exynos7885.c index 368c50badd15..302937025409 100644 --- a/drivers/clk/samsung/clk-exynos7885.c +++ b/drivers/clk/samsung/clk-exynos7885.c @@ -27,6 +27,11 @@ #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_G3D 0x101c +#define CLK_CON_MUX_MUX_CLKCMU_FSYS_BUS 0x1028 +#define CLK_CON_MUX_MUX_CLKCMU_FSYS_MMC_CARD 0x102c +#define CLK_CON_MUX_MUX_CLKCMU_FSYS_MMC_EMBD 0x1030 +#define CLK_CON_MUX_MUX_CLKCMU_FSYS_MMC_SDIO 0x1034 +#define CLK_CON_MUX_MUX_CLKCMU_FSYS_USB30DRD 0x1038 #define CLK_CON_MUX_MUX_CLKCMU_PERI_BUS 0x1058 #define CLK_CON_MUX_MUX_CLKCMU_PERI_SPI0 0x105c #define CLK_CON_MUX_MUX_CLKCMU_PERI_SPI1 0x1060 @@ -39,6 +44,11 @@ #define CLK_CON_DIV_CLKCMU_CORE_BUS 0x181c #define CLK_CON_DIV_CLKCMU_CORE_CCI 0x1820 #define CLK_CON_DIV_CLKCMU_CORE_G3D 0x1824 +#define CLK_CON_DIV_CLKCMU_FSYS_BUS 0x1844 +#define CLK_CON_DIV_CLKCMU_FSYS_MMC_CARD 0x1848 +#define CLK_CON_DIV_CLKCMU_FSYS_MMC_EMBD 0x184c +#define CLK_CON_DIV_CLKCMU_FSYS_MMC_SDIO 0x1850 +#define CLK_CON_DIV_CLKCMU_FSYS_USB30DRD 0x1854 #define CLK_CON_DIV_CLKCMU_PERI_BUS 0x1874 #define CLK_CON_DIV_CLKCMU_PERI_SPI0 0x1878 #define CLK_CON_DIV_CLKCMU_PERI_SPI1 0x187c @@ -59,6 +69,11 @@ #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_G3D 0x2024 +#define CLK_CON_GAT_GATE_CLKCMU_FSYS_BUS 0x2044 +#define CLK_CON_GAT_GATE_CLKCMU_FSYS_MMC_CARD 0x2048 +#define CLK_CON_GAT_GATE_CLKCMU_FSYS_MMC_EMBD 0x204c +#define CLK_CON_GAT_GATE_CLKCMU_FSYS_MMC_SDIO 0x2050 +#define CLK_CON_GAT_GATE_CLKCMU_FSYS_USB30DRD 0x2054 #define CLK_CON_GAT_GATE_CLKCMU_PERI_BUS 0x207c #define CLK_CON_GAT_GATE_CLKCMU_PERI_SPI0 0x2080 #define CLK_CON_GAT_GATE_CLKCMU_PERI_SPI1 0x2084 @@ -76,6 +91,11 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_MUX_MUX_CLKCMU_CORE_BUS, CLK_CON_MUX_MUX_CLKCMU_CORE_CCI, CLK_CON_MUX_MUX_CLKCMU_CORE_G3D, + CLK_CON_MUX_MUX_CLKCMU_FSYS_BUS, + CLK_CON_MUX_MUX_CLKCMU_FSYS_MMC_CARD, + CLK_CON_MUX_MUX_CLKCMU_FSYS_MMC_EMBD, + CLK_CON_MUX_MUX_CLKCMU_FSYS_MMC_SDIO, + CLK_CON_MUX_MUX_CLKCMU_FSYS_USB30DRD, CLK_CON_MUX_MUX_CLKCMU_PERI_BUS, CLK_CON_MUX_MUX_CLKCMU_PERI_SPI0, CLK_CON_MUX_MUX_CLKCMU_PERI_SPI1, @@ -88,6 +108,11 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_DIV_CLKCMU_CORE_BUS, CLK_CON_DIV_CLKCMU_CORE_CCI, CLK_CON_DIV_CLKCMU_CORE_G3D, + CLK_CON_DIV_CLKCMU_FSYS_BUS, + CLK_CON_DIV_CLKCMU_FSYS_MMC_CARD, + CLK_CON_DIV_CLKCMU_FSYS_MMC_EMBD, + CLK_CON_DIV_CLKCMU_FSYS_MMC_SDIO, + CLK_CON_DIV_CLKCMU_FSYS_USB30DRD, CLK_CON_DIV_CLKCMU_PERI_BUS, CLK_CON_DIV_CLKCMU_PERI_SPI0, CLK_CON_DIV_CLKCMU_PERI_SPI1, @@ -108,6 +133,11 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_GAT_GATE_CLKCMU_CORE_BUS, CLK_CON_GAT_GATE_CLKCMU_CORE_CCI, CLK_CON_GAT_GATE_CLKCMU_CORE_G3D, + CLK_CON_GAT_GATE_CLKCMU_FSYS_BUS, + CLK_CON_GAT_GATE_CLKCMU_FSYS_MMC_CARD, + CLK_CON_GAT_GATE_CLKCMU_FSYS_MMC_EMBD, + CLK_CON_GAT_GATE_CLKCMU_FSYS_MMC_SDIO, + CLK_CON_GAT_GATE_CLKCMU_FSYS_USB30DRD, CLK_CON_GAT_GATE_CLKCMU_PERI_BUS, CLK_CON_GAT_GATE_CLKCMU_PERI_SPI0, CLK_CON_GAT_GATE_CLKCMU_PERI_SPI1, @@ -146,6 +176,13 @@ PNAME(mout_peri_usi0_p) = { "oscclk", "dout_shared0_div4" }; PNAME(mout_peri_usi1_p) = { "oscclk", "dout_shared0_div4" }; PNAME(mout_peri_usi2_p) = { "oscclk", "dout_shared0_div4" }; +/* List of parent clocks for Muxes in CMU_TOP: for CMU_FSYS */ +PNAME(mout_fsys_bus_p) = { "dout_shared0_div2", "dout_shared1_div2" }; +PNAME(mout_fsys_mmc_card_p) = { "dout_shared0_div2", "dout_shared1_div2" }; +PNAME(mout_fsys_mmc_embd_p) = { "dout_shared0_div2", "dout_shared1_div2" }; +PNAME(mout_fsys_mmc_sdio_p) = { "dout_shared0_div2", "dout_shared1_div2" }; +PNAME(mout_fsys_usb30drd_p) = { "dout_shared0_div4", "dout_shared1_div4" }; + static const struct samsung_mux_clock top_mux_clks[] __initconst = { /* CORE */ MUX(CLK_MOUT_CORE_BUS, "mout_core_bus", mout_core_bus_p, @@ -174,6 +211,18 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = { CLK_CON_MUX_MUX_CLKCMU_PERI_USI1, 0, 1), MUX(CLK_MOUT_PERI_USI2, "mout_peri_usi2", mout_peri_usi2_p, CLK_CON_MUX_MUX_CLKCMU_PERI_USI2, 0, 1), + + /* FSYS */ + MUX(CLK_MOUT_FSYS_BUS, "mout_fsys_bus", mout_fsys_bus_p, + CLK_CON_MUX_MUX_CLKCMU_FSYS_BUS, 0, 1), + MUX(CLK_MOUT_FSYS_MMC_CARD, "mout_fsys_mmc_card", mout_fsys_mmc_card_p, + CLK_CON_MUX_MUX_CLKCMU_FSYS_MMC_CARD, 0, 1), + MUX(CLK_MOUT_FSYS_MMC_EMBD, "mout_fsys_mmc_embd", mout_fsys_mmc_embd_p, + CLK_CON_MUX_MUX_CLKCMU_FSYS_MMC_EMBD, 0, 1), + MUX(CLK_MOUT_FSYS_MMC_SDIO, "mout_fsys_mmc_sdio", mout_fsys_mmc_sdio_p, + CLK_CON_MUX_MUX_CLKCMU_FSYS_MMC_SDIO, 0, 1), + MUX(CLK_MOUT_FSYS_USB30DRD, "mout_fsys_usb30drd", mout_fsys_usb30drd_p, + CLK_CON_MUX_MUX_CLKCMU_FSYS_USB30DRD, 0, 1), }; static const struct samsung_div_clock top_div_clks[] __initconst = { @@ -220,6 +269,18 @@ static const struct samsung_div_clock top_div_clks[] __initconst = { CLK_CON_DIV_CLKCMU_PERI_USI1, 0, 4), DIV(CLK_DOUT_PERI_USI2, "dout_peri_usi2", "gout_peri_usi2", CLK_CON_DIV_CLKCMU_PERI_USI2, 0, 4), + + /* FSYS */ + DIV(CLK_DOUT_FSYS_BUS, "dout_fsys_bus", "gout_fsys_bus", + CLK_CON_DIV_CLKCMU_FSYS_BUS, 0, 4), + DIV(CLK_DOUT_FSYS_MMC_CARD, "dout_fsys_mmc_card", "gout_fsys_mmc_card", + CLK_CON_DIV_CLKCMU_FSYS_MMC_CARD, 0, 9), + DIV(CLK_DOUT_FSYS_MMC_EMBD, "dout_fsys_mmc_embd", "gout_fsys_mmc_embd", + CLK_CON_DIV_CLKCMU_FSYS_MMC_EMBD, 0, 9), + DIV(CLK_DOUT_FSYS_MMC_SDIO, "dout_fsys_mmc_sdio", "gout_fsys_mmc_sdio", + CLK_CON_DIV_CLKCMU_FSYS_MMC_SDIO, 0, 9), + DIV(CLK_DOUT_FSYS_USB30DRD, "dout_fsys_usb30drd", "gout_fsys_usb30drd", + CLK_CON_DIV_CLKCMU_FSYS_USB30DRD, 0, 4), }; static const struct samsung_gate_clock top_gate_clks[] __initconst = { @@ -250,6 +311,18 @@ static const struct samsung_gate_clock top_gate_clks[] __initconst = { CLK_CON_GAT_GATE_CLKCMU_PERI_USI1, 21, 0, 0), GATE(CLK_GOUT_PERI_USI2, "gout_peri_usi2", "mout_peri_usi2", CLK_CON_GAT_GATE_CLKCMU_PERI_USI2, 21, 0, 0), + + /* FSYS */ + GATE(CLK_GOUT_FSYS_BUS, "gout_fsys_bus", "mout_fsys_bus", + CLK_CON_GAT_GATE_CLKCMU_FSYS_BUS, 21, 0, 0), + GATE(CLK_GOUT_FSYS_MMC_CARD, "gout_fsys_mmc_card", "mout_fsys_mmc_card", + CLK_CON_GAT_GATE_CLKCMU_FSYS_MMC_CARD, 21, 0, 0), + GATE(CLK_GOUT_FSYS_MMC_EMBD, "gout_fsys_mmc_embd", "mout_fsys_mmc_embd", + CLK_CON_GAT_GATE_CLKCMU_FSYS_MMC_EMBD, 21, 0, 0), + GATE(CLK_GOUT_FSYS_MMC_SDIO, "gout_fsys_mmc_sdio", "mout_fsys_mmc_sdio", + CLK_CON_GAT_GATE_CLKCMU_FSYS_MMC_SDIO, 21, 0, 0), + GATE(CLK_GOUT_FSYS_USB30DRD, "gout_fsys_usb30drd", "mout_fsys_usb30drd", + CLK_CON_GAT_GATE_CLKCMU_FSYS_USB30DRD, 21, 0, 0), }; static const struct samsung_cmu_info top_cmu_info __initconst = { @@ -560,6 +633,88 @@ static const struct samsung_cmu_info core_cmu_info __initconst = { .clk_name = "dout_core_bus", }; +/* ---- CMU_FSYS ------------------------------------------------------------ */ + +/* Register Offset definitions for CMU_FSYS (0x13400000) */ +#define PLL_CON0_MUX_CLKCMU_FSYS_BUS_USER 0x0100 +#define PLL_CON0_MUX_CLKCMU_FSYS_MMC_CARD_USER 0x0120 +#define PLL_CON0_MUX_CLKCMU_FSYS_MMC_EMBD_USER 0x0140 +#define PLL_CON0_MUX_CLKCMU_FSYS_MMC_SDIO_USER 0x0160 +#define PLL_CON0_MUX_CLKCMU_FSYS_USB30DRD_USER 0x0180 +#define CLK_CON_GAT_GOUT_FSYS_MMC_CARD_I_ACLK 0x2030 +#define CLK_CON_GAT_GOUT_FSYS_MMC_CARD_SDCLKIN 0x2034 +#define CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_I_ACLK 0x2038 +#define CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_SDCLKIN 0x203c +#define CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_I_ACLK 0x2040 +#define CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_SDCLKIN 0x2044 + +static const unsigned long fsys_clk_regs[] __initconst = { + PLL_CON0_MUX_CLKCMU_FSYS_BUS_USER, + PLL_CON0_MUX_CLKCMU_FSYS_MMC_CARD_USER, + PLL_CON0_MUX_CLKCMU_FSYS_MMC_EMBD_USER, + PLL_CON0_MUX_CLKCMU_FSYS_MMC_SDIO_USER, + PLL_CON0_MUX_CLKCMU_FSYS_USB30DRD_USER, + CLK_CON_GAT_GOUT_FSYS_MMC_CARD_I_ACLK, + CLK_CON_GAT_GOUT_FSYS_MMC_CARD_SDCLKIN, + CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_I_ACLK, + CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_SDCLKIN, + CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_I_ACLK, + CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_SDCLKIN, +}; + +/* List of parent clocks for Muxes in CMU_FSYS */ +PNAME(mout_fsys_bus_user_p) = { "oscclk", "dout_fsys_bus" }; +PNAME(mout_fsys_mmc_card_user_p) = { "oscclk", "dout_fsys_mmc_card" }; +PNAME(mout_fsys_mmc_embd_user_p) = { "oscclk", "dout_fsys_mmc_embd" }; +PNAME(mout_fsys_mmc_sdio_user_p) = { "oscclk", "dout_fsys_mmc_sdio" }; +PNAME(mout_fsys_usb30drd_user_p) = { "oscclk", "dout_fsys_usb30drd" }; + +static const struct samsung_mux_clock fsys_mux_clks[] __initconst = { + MUX(CLK_MOUT_FSYS_BUS_USER, "mout_fsys_bus_user", mout_fsys_bus_user_p, + PLL_CON0_MUX_CLKCMU_FSYS_BUS_USER, 4, 1), + MUX_F(CLK_MOUT_FSYS_MMC_CARD_USER, "mout_fsys_mmc_card_user", + mout_fsys_mmc_card_user_p, PLL_CON0_MUX_CLKCMU_FSYS_MMC_CARD_USER, + 4, 1, CLK_SET_RATE_PARENT, 0), + MUX_F(CLK_MOUT_FSYS_MMC_EMBD_USER, "mout_fsys_mmc_embd_user", + mout_fsys_mmc_embd_user_p, PLL_CON0_MUX_CLKCMU_FSYS_MMC_EMBD_USER, + 4, 1, CLK_SET_RATE_PARENT, 0), + MUX_F(CLK_MOUT_FSYS_MMC_SDIO_USER, "mout_fsys_mmc_sdio_user", + mout_fsys_mmc_sdio_user_p, PLL_CON0_MUX_CLKCMU_FSYS_MMC_SDIO_USER, + 4, 1, CLK_SET_RATE_PARENT, 0), + MUX_F(CLK_MOUT_FSYS_USB30DRD_USER, "mout_fsys_usb30drd_user", + mout_fsys_usb30drd_user_p, PLL_CON0_MUX_CLKCMU_FSYS_USB30DRD_USER, + 4, 1, CLK_SET_RATE_PARENT, 0), +}; + +static const struct samsung_gate_clock fsys_gate_clks[] __initconst = { + GATE(CLK_GOUT_MMC_CARD_ACLK, "gout_mmc_card_aclk", "mout_fsys_bus_user", + CLK_CON_GAT_GOUT_FSYS_MMC_CARD_I_ACLK, 21, 0, 0), + GATE(CLK_GOUT_MMC_CARD_SDCLKIN, "gout_mmc_card_sdclkin", + "mout_fsys_mmc_card_user", CLK_CON_GAT_GOUT_FSYS_MMC_CARD_SDCLKIN, + 21, CLK_SET_RATE_PARENT, 0), + GATE(CLK_GOUT_MMC_EMBD_ACLK, "gout_mmc_embd_aclk", "mout_fsys_bus_user", + CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_I_ACLK, 21, 0, 0), + GATE(CLK_GOUT_MMC_EMBD_SDCLKIN, "gout_mmc_embd_sdclkin", + "mout_fsys_mmc_embd_user", CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_SDCLKIN, + 21, CLK_SET_RATE_PARENT, 0), + GATE(CLK_GOUT_MMC_SDIO_ACLK, "gout_mmc_sdio_aclk", "mout_fsys_bus_user", + CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_I_ACLK, 21, 0, 0), + GATE(CLK_GOUT_MMC_SDIO_SDCLKIN, "gout_mmc_sdio_sdclkin", + "mout_fsys_mmc_sdio_user", CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_SDCLKIN, + 21, CLK_SET_RATE_PARENT, 0), +}; + +static const struct samsung_cmu_info fsys_cmu_info __initconst = { + .mux_clks = fsys_mux_clks, + .nr_mux_clks = ARRAY_SIZE(fsys_mux_clks), + .gate_clks = fsys_gate_clks, + .nr_gate_clks = ARRAY_SIZE(fsys_gate_clks), + .nr_clk_ids = FSYS_NR_CLK, + .clk_regs = fsys_clk_regs, + .nr_clk_regs = ARRAY_SIZE(fsys_clk_regs), + .clk_name = "dout_fsys_bus", +}; + /* ---- platform_driver ----------------------------------------------------- */ static int __init exynos7885_cmu_probe(struct platform_device *pdev) @@ -577,6 +732,9 @@ static const struct of_device_id exynos7885_cmu_of_match[] = { { .compatible = "samsung,exynos7885-cmu-core", .data = &core_cmu_info, + }, { + .compatible = "samsung,exynos7885-cmu-fsys", + .data = &fsys_cmu_info, }, { }, };

[3/5] clk: samsung: exynos7885: Implement CMU_FSYS domain

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