ARM: shmobile: r8a7791: Add clocks

Declare all core clocks and DIV6 clocks, as well as all MSTP clocks
currently used by r8a7791 boards.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791.dtsi

@@ -9,6 +9,7 @@
  * kind, whether express or implied.
  */
 
+#include <dt-bindings/clock/r8a7791-clock.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 
@@ -183,4 +184,316 @@ pfc: pfc@e6060000 {
 		reg = <0 0xe6060000 0 0x250>;
 		#gpio-range-cells = <3>;
 	};
+
+	clocks {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* External root clock */
+		extal_clk: extal_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			/* This value must be overriden by the board. */
+			clock-frequency = <0>;
+			clock-output-names = "extal";
+		};
+
+		/* Special CPG clocks */
+		cpg_clocks: cpg_clocks@e6150000 {
+			compatible = "renesas,r8a7791-cpg-clocks",
+				     "renesas,rcar-gen2-cpg-clocks";
+			reg = <0 0xe6150000 0 0x1000>;
+			clocks = <&extal_clk>;
+			#clock-cells = <1>;
+			clock-output-names = "main", "pll0", "pll1", "pll3",
+					     "lb", "qspi", "sdh", "sd0", "z";
+		};
+
+		/* Variable factor clocks */
+		sd1_clk: sd2_clk@e6150078 {
+			compatible = "renesas,r8a7791-div6-clock", "renesas,cpg-div6-clock";
+			reg = <0 0xe6150078 0 4>;
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-output-names = "sd1";
+		};
+		sd2_clk: sd3_clk@e615007c {
+			compatible = "renesas,r8a7791-div6-clock", "renesas,cpg-div6-clock";
+			reg = <0 0xe615007c 0 4>;
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-output-names = "sd2";
+		};
+		mmc0_clk: mmc0_clk@e6150240 {
+			compatible = "renesas,r8a7791-div6-clock", "renesas,cpg-div6-clock";
+			reg = <0 0xe6150240 0 4>;
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-output-names = "mmc0";
+		};
+		ssp_clk: ssp_clk@e6150248 {
+			compatible = "renesas,r8a7791-div6-clock", "renesas,cpg-div6-clock";
+			reg = <0 0xe6150248 0 4>;
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-output-names = "ssp";
+		};
+		ssprs_clk: ssprs_clk@e615024c {
+			compatible = "renesas,r8a7791-div6-clock", "renesas,cpg-div6-clock";
+			reg = <0 0xe615024c 0 4>;
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-output-names = "ssprs";
+		};
+
+		/* Fixed factor clocks */
+		pll1_div2_clk: pll1_div2_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <2>;
+			clock-mult = <1>;
+			clock-output-names = "pll1_div2";
+		};
+		zg_clk: zg_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <3>;
+			clock-mult = <1>;
+			clock-output-names = "zg";
+		};
+		zx_clk: zx_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <3>;
+			clock-mult = <1>;
+			clock-output-names = "zx";
+		};
+		zs_clk: zs_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <6>;
+			clock-mult = <1>;
+			clock-output-names = "zs";
+		};
+		hp_clk: hp_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <12>;
+			clock-mult = <1>;
+			clock-output-names = "hp";
+		};
+		i_clk: i_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <2>;
+			clock-mult = <1>;
+			clock-output-names = "i";
+		};
+		b_clk: b_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <12>;
+			clock-mult = <1>;
+			clock-output-names = "b";
+		};
+		p_clk: p_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <24>;
+			clock-mult = <1>;
+			clock-output-names = "p";
+		};
+		cl_clk: cl_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <48>;
+			clock-mult = <1>;
+			clock-output-names = "cl";
+		};
+		m2_clk: m2_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <8>;
+			clock-mult = <1>;
+			clock-output-names = "m2";
+		};
+		imp_clk: imp_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <4>;
+			clock-mult = <1>;
+			clock-output-names = "imp";
+		};
+		rclk_clk: rclk_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <(48 * 1024)>;
+			clock-mult = <1>;
+			clock-output-names = "rclk";
+		};
+		oscclk_clk: oscclk_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <(12 * 1024)>;
+			clock-mult = <1>;
+			clock-output-names = "oscclk";
+		};
+		zb3_clk: zb3_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL3>;
+			#clock-cells = <0>;
+			clock-div = <4>;
+			clock-mult = <1>;
+			clock-output-names = "zb3";
+		};
+		zb3d2_clk: zb3d2_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL3>;
+			#clock-cells = <0>;
+			clock-div = <8>;
+			clock-mult = <1>;
+			clock-output-names = "zb3d2";
+		};
+		ddr_clk: ddr_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7791_CLK_PLL3>;
+			#clock-cells = <0>;
+			clock-div = <8>;
+			clock-mult = <1>;
+			clock-output-names = "ddr";
+		};
+		mp_clk: mp_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-div = <15>;
+			clock-mult = <1>;
+			clock-output-names = "mp";
+		};
+		cp_clk: cp_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&extal_clk>;
+			#clock-cells = <0>;
+			clock-div = <2>;
+			clock-mult = <1>;
+			clock-output-names = "cp";
+		};
+
+		/* Gate clocks */
+		mstp1_clks: mstp1_clks@e6150134 {
+			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
+			reg = <0 0xe6150134 0 4>, <0 0xe6150038 0 4>;
+			clocks = <&p_clk>, <&p_clk>, <&p_clk>, <&rclk_clk>,
+				 <&cp_clk>, <&zs_clk>, <&zs_clk>, <&zs_clk>;
+			#clock-cells = <1>;
+			renesas,clock-indices = <
+				R8A7791_CLK_TMU1 R8A7791_CLK_TMU3 R8A7791_CLK_TMU2
+				R8A7791_CLK_CMT0 R8A7791_CLK_TMU0 R8A7791_CLK_VSP1_DU1
+				R8A7791_CLK_VSP1_DU0 R8A7791_CLK_VSP1_SY
+			>;
+			clock-output-names =
+				"tmu1", "tmu3", "tmu2", "cmt0", "tmu0", "vsp1-du1",
+				"vsp1-du0", "vsp1-sy";
+		};
+		mstp2_clks: mstp2_clks@e6150138 {
+			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
+			reg = <0 0xe6150138 0 4>, <0 0xe6150040 0 4>;
+			clocks = <&mp_clk>, <&mp_clk>, <&mp_clk>, <&mp_clk>, <&mp_clk>,
+				 <&mp_clk>;
+			#clock-cells = <1>;
+			renesas,clock-indices = <
+				R8A7791_CLK_SCIFA2 R8A7791_CLK_SCIFA1 R8A7791_CLK_SCIFA0
+				R8A7791_CLK_SCIFB0 R8A7791_CLK_SCIFB1 R8A7791_CLK_SCIFB2
+			>;
+			clock-output-names =
+				"scifa2", "scifa1", "scifa0", "scifb0", "scifb1",
+				"scifb2";
+		};
+		mstp3_clks: mstp3_clks@e615013c {
+			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
+			reg = <0 0xe615013c 0 4>, <0 0xe6150048 0 4>;
+			clocks = <&cp_clk>, <&sd2_clk>, <&sd1_clk>,
+				<&cpg_clocks R8A7791_CLK_SD0>, <&mmc0_clk>, <&rclk_clk>;
+			#clock-cells = <1>;
+			renesas,clock-indices = <
+				R8A7791_CLK_TPU0 R8A7791_CLK_SDHI2 R8A7791_CLK_SDHI1
+				R8A7791_CLK_SDHI0 R8A7791_CLK_MMCIF0 R8A7791_CLK_CMT1
+			>;
+			clock-output-names =
+				"tpu0", "sdhi2", "sdhi1", "sdhi0", "mmcif0", "cmt1";
+		};
+		mstp5_clks: mstp5_clks@e6150144 {
+			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
+			reg = <0 0xe6150144 0 4>, <0 0xe615003c 0 4>;
+			clocks = <&extal_clk>, <&p_clk>;
+			#clock-cells = <1>;
+			renesas,clock-indices = <R8A7791_CLK_THERMAL R8A7791_CLK_PWM>;
+			clock-output-names = "thermal", "pwm";
+		};
+		mstp7_clks: mstp7_clks@e615014c {
+			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
+			reg = <0 0xe615014c 0 4>, <0 0xe61501c4 0 4>;
+			clocks = <&mp_clk>, <&zs_clk>, <&p_clk>, <&p_clk>, <&zs_clk>,
+				 <&zs_clk>, <&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>,
+				 <&zx_clk>, <&zx_clk>, <&zx_clk>;
+			#clock-cells = <1>;
+			renesas,clock-indices = <
+				R8A7791_CLK_HSUSB R8A7791_CLK_HSCIF2 R8A7791_CLK_SCIF5
+				R8A7791_CLK_SCIF4 R8A7791_CLK_HSCIF1 R8A7791_CLK_HSCIF0
+				R8A7791_CLK_SCIF3 R8A7791_CLK_SCIF2 R8A7791_CLK_SCIF1
+				R8A7791_CLK_SCIF0 R8A7791_CLK_DU1 R8A7791_CLK_DU0
+				R8A7791_CLK_LVDS0
+			>;
+			clock-output-names =
+				"hsusb", "hscif2", "scif5", "scif4", "hscif1", "hscif0",
+				"scif3", "scif2", "scif1", "scif0", "du1", "du0", "lvds0";
+		};
+		mstp8_clks: mstp8_clks@e6150990 {
+			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
+			reg = <0 0xe6150990 0 4>, <0 0xe61509a0 0 4>;
+			clocks = <&p_clk>;
+			#clock-cells = <1>;
+			renesas,clock-indices = <R8A7791_CLK_ETHER>;
+			clock-output-names = "ether";
+		};
+		mstp9_clks: mstp9_clks@e6150994 {
+			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
+			reg = <0 0xe6150994 0 4>, <0 0xe61509a4 0 4>;
+			clocks = <&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>,
+				 <&p_clk>, <&p_clk>, <&p_clk>;
+			#clock-cells = <1>;
+			renesas,clock-indices = <
+				R8A7791_CLK_RCAN1 R8A7791_CLK_RCAN0 R8A7791_CLK_I2C4
+				R8A7791_CLK_I2C4 R8A7791_CLK_I2C3 R8A7791_CLK_I2C2
+				R8A7791_CLK_I2C1 R8A7791_CLK_I2C0
+			>;
+			clock-output-names =
+				"rcan1", "rcan0", "i2c5", "i2c4", "i2c3", "i2c2", "i2c1",
+				"i2c0";
+		};
+		mstp11_clks: mstp11_clks@e615099c {
+			compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
+			reg = <0 0xe615099c 0 4>, <0 0xe61509ac 0 4>;
+			clocks = <&mp_clk>, <&mp_clk>, <&mp_clk>;
+			#clock-cells = <1>;
+			renesas,clock-indices = <
+				R8A7791_CLK_SCIFA3 R8A7791_CLK_SCIFA4 R8A7791_CLK_SCIFA5
+			>;
+			clock-output-names = "scifa3", "scifa4", "scifa5";
+		};
+	};
 };