clk: samsung: exynosautov9: add fsys1 clock support

CMU_FSYS1 provides clocks for USB(2 x USB3.1 Gen-1, 2 x USB 2.0) and
mmc. For MMC clocks, PLL_MMC(PLL0831X type) is also supported as a PLL
source clock provider.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/d4aa967538fed9667e9550a256e545026fc2fa8d.1659054220.git.chanho61.park@samsung.com

1 files changed, 130 insertions, 0 deletions

diff --git a/drivers/clk/samsung/clk-exynosautov9.c b/drivers/clk/samsung/clk-exynosautov9.c
index f185735657e0..7b16320bba66 100644
--- a/drivers/clk/samsung/clk-exynosautov9.c
+++ b/drivers/clk/samsung/clk-exynosautov9.c
@@ -1307,6 +1307,133 @@ static const struct samsung_cmu_info fsys0_cmu_info __initconst = {
 	.clk_name		= "dout_clkcmu_fsys0_bus",
 };
 
+/* ---- CMU_FSYS1 ---------------------------------------------------------- */
+
+/* Register Offset definitions for CMU_FSYS1 (0x17040000) */
+#define PLL_LOCKTIME_PLL_MMC			0x0000
+#define PLL_CON0_PLL_MMC			0x0100
+#define PLL_CON3_PLL_MMC			0x010c
+#define PLL_CON0_MUX_CLKCMU_FSYS1_BUS_USER	0x0600
+#define PLL_CON0_MUX_CLKCMU_FSYS1_MMC_CARD_USER	0x0610
+#define PLL_CON0_MUX_CLKCMU_FSYS1_USBDRD_USER	0x0620
+
+#define CLK_CON_MUX_MUX_CLK_FSYS1_MMC_CARD	0x1000
+#define CLK_CON_DIV_DIV_CLK_FSYS1_MMC_CARD	0x1800
+
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_FSYS1_CMU_FSYS1_IPCLKPORT_PCLK	0x2018
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_MMC_CARD_IPCLKPORT_SDCLKIN	0x202c
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_MMC_CARD_IPCLKPORT_I_ACLK	0x2028
+
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_USB20DRD_0_REF_CLK_40		0x204c
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_USB20DRD_1_REF_CLK_40		0x2058
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_USB30DRD_0_REF_CLK_40		0x2064
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_USB30DRD_1_REF_CLK_40		0x2070
+
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_US_D_USB2_0_IPCLKPORT_ACLK	0x2074
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_US_D_USB2_1_IPCLKPORT_ACLK	0x2078
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_US_D_USB3_0_IPCLKPORT_ACLK	0x207c
+#define CLK_CON_GAT_GOUT_BLK_FSYS1_UID_US_D_USB3_1_IPCLKPORT_ACLK	0x2080
+
+static const unsigned long fsys1_clk_regs[] __initconst = {
+	PLL_CON0_MUX_CLKCMU_FSYS1_BUS_USER,
+};
+
+static const struct samsung_pll_clock fsys1_pll_clks[] __initconst = {
+	PLL(pll_0831x, FOUT_MMC_PLL, "fout_mmc_pll", "oscclk",
+	    PLL_LOCKTIME_PLL_MMC, PLL_CON3_PLL_MMC, NULL),
+};
+
+/* List of parent clocks for Muxes in CMU_FSYS1 */
+PNAME(mout_fsys1_bus_user_p) = { "oscclk", "dout_clkcmu_fsys1_bus" };
+PNAME(mout_fsys1_mmc_pll_p) = { "oscclk", "fout_mmc_pll" };
+PNAME(mout_fsys1_mmc_card_user_p) = { "oscclk", "gout_clkcmu_fsys1_mmc_card" };
+PNAME(mout_fsys1_usbdrd_user_p) = { "oscclk", "dout_clkcmu_fsys1_usbdrd" };
+PNAME(mout_fsys1_mmc_card_p) = { "mout_fsys1_mmc_card_user",
+				 "mout_fsys1_mmc_pll" };
+
+static const struct samsung_mux_clock fsys1_mux_clks[] __initconst = {
+	MUX(CLK_MOUT_FSYS1_BUS_USER, "mout_fsys1_bus_user",
+	    mout_fsys1_bus_user_p, PLL_CON0_MUX_CLKCMU_FSYS1_BUS_USER, 4, 1),
+	MUX(CLK_MOUT_FSYS1_MMC_PLL, "mout_fsys1_mmc_pll", mout_fsys1_mmc_pll_p,
+	    PLL_CON0_PLL_MMC, 4, 1),
+	MUX(CLK_MOUT_FSYS1_MMC_CARD_USER, "mout_fsys1_mmc_card_user",
+	    mout_fsys1_mmc_card_user_p, PLL_CON0_MUX_CLKCMU_FSYS1_MMC_CARD_USER,
+	    4, 1),
+	MUX(CLK_MOUT_FSYS1_USBDRD_USER, "mout_fsys1_usbdrd_user",
+	    mout_fsys1_usbdrd_user_p, PLL_CON0_MUX_CLKCMU_FSYS1_USBDRD_USER,
+	    4, 1),
+	MUX(CLK_MOUT_FSYS1_MMC_CARD, "mout_fsys1_mmc_card",
+	    mout_fsys1_mmc_card_p, CLK_CON_MUX_MUX_CLK_FSYS1_MMC_CARD,
+	    0, 1),
+};
+
+static const struct samsung_div_clock fsys1_div_clks[] __initconst = {
+	DIV(CLK_DOUT_FSYS1_MMC_CARD, "dout_fsys1_mmc_card",
+	    "mout_fsys1_mmc_card",
+	    CLK_CON_DIV_DIV_CLK_FSYS1_MMC_CARD, 0, 9),
+};
+
+static const struct samsung_gate_clock fsys1_gate_clks[] __initconst = {
+	GATE(CLK_GOUT_FSYS1_PCLK, "gout_fsys1_pclk", "mout_fsys1_bus_user",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_FSYS1_CMU_FSYS1_IPCLKPORT_PCLK,
+	     21, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_GOUT_FSYS1_MMC_CARD_SDCLKIN, "gout_fsys1_mmc_card_sdclkin",
+	     "dout_fsys1_mmc_card",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_MMC_CARD_IPCLKPORT_SDCLKIN,
+	     21, CLK_SET_RATE_PARENT, 0),
+	GATE(CLK_GOUT_FSYS1_MMC_CARD_ACLK, "gout_fsys1_mmc_card_aclk",
+	     "dout_fsys1_mmc_card",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_MMC_CARD_IPCLKPORT_I_ACLK,
+	     21, 0, 0),
+	GATE(CLK_GOUT_FSYS1_USB20DRD_0_REFCLK, "gout_fsys1_usb20drd_0_refclk",
+	     "mout_fsys1_usbdrd_user",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_USB20DRD_0_REF_CLK_40,
+	     21, 0, 0),
+	GATE(CLK_GOUT_FSYS1_USB20DRD_1_REFCLK, "gout_fsys1_usb20drd_1_refclk",
+	     "mout_fsys1_usbdrd_user",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_USB20DRD_1_REF_CLK_40,
+	     21, 0, 0),
+	GATE(CLK_GOUT_FSYS1_USB30DRD_0_REFCLK, "gout_fsys1_usb30drd_0_refclk",
+	     "mout_fsys1_usbdrd_user",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_USB30DRD_0_REF_CLK_40,
+	     21, 0, 0),
+	GATE(CLK_GOUT_FSYS1_USB30DRD_1_REFCLK, "gout_fsys1_usb30drd_1_refclk",
+	     "mout_fsys1_usbdrd_user",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_USB30DRD_1_REF_CLK_40,
+	     21, 0, 0),
+	GATE(CLK_GOUT_FSYS1_USB20_0_ACLK, "gout_fsys1_usb20_0_aclk",
+	     "mout_fsys1_usbdrd_user",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_US_D_USB2_0_IPCLKPORT_ACLK,
+	     21, 0, 0),
+	GATE(CLK_GOUT_FSYS1_USB20_1_ACLK, "gout_fsys1_usb20_1_aclk",
+	     "mout_fsys1_usbdrd_user",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_US_D_USB2_1_IPCLKPORT_ACLK,
+	     21, 0, 0),
+	GATE(CLK_GOUT_FSYS1_USB30_0_ACLK, "gout_fsys1_usb30_0_aclk",
+	     "mout_fsys1_usbdrd_user",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_US_D_USB3_0_IPCLKPORT_ACLK,
+	     21, 0, 0),
+	GATE(CLK_GOUT_FSYS1_USB30_1_ACLK, "gout_fsys1_usb30_1_aclk",
+	     "mout_fsys1_usbdrd_user",
+	     CLK_CON_GAT_GOUT_BLK_FSYS1_UID_US_D_USB3_1_IPCLKPORT_ACLK,
+	     21, 0, 0),
+};
+
+static const struct samsung_cmu_info fsys1_cmu_info __initconst = {
+	.pll_clks		= fsys1_pll_clks,
+	.nr_pll_clks		= ARRAY_SIZE(fsys1_pll_clks),
+	.mux_clks		= fsys1_mux_clks,
+	.nr_mux_clks		= ARRAY_SIZE(fsys1_mux_clks),
+	.div_clks		= fsys1_div_clks,
+	.nr_div_clks		= ARRAY_SIZE(fsys1_div_clks),
+	.gate_clks		= fsys1_gate_clks,
+	.nr_gate_clks		= ARRAY_SIZE(fsys1_gate_clks),
+	.nr_clk_ids		= FSYS1_NR_CLK,
+	.clk_regs		= fsys1_clk_regs,
+	.nr_clk_regs		= ARRAY_SIZE(fsys1_clk_regs),
+	.clk_name		= "dout_clkcmu_fsys1_bus",
+};
+
 /* ---- CMU_FSYS2 ---------------------------------------------------------- */
 
 /* Register Offset definitions for CMU_FSYS2 (0x17c00000) */
@@ -1953,6 +2080,9 @@ static const struct of_device_id exynosautov9_cmu_of_match[] = {
 		.compatible = "samsung,exynosautov9-cmu-fsys0",
 		.data = &fsys0_cmu_info,
 	}, {
+		.compatible = "samsung,exynosautov9-cmu-fsys1",
+		.data = &fsys1_cmu_info,
+	}, {
 		.compatible = "samsung,exynosautov9-cmu-fsys2",
 		.data = &fsys2_cmu_info,
 	}, {