ARM: shmobile: r8a7794: Add I2C clocks to device tree

Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
[horms: omitted device nodes and aliases; only add clocks]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm/boot/dts/r8a7794.dtsi

@@ -538,10 +538,16 @@ R8A7794_CLK_VIN1 R8A7794_CLK_VIN0 R8A7794_CLK_ETHER
 		mstp9_clks: mstp9_clks@e6150994 {
 			compatible = "renesas,r8a7794-mstp-clocks", "renesas,cpg-mstp-clocks";
 			reg = <0 0xe6150994 0 4>, <0 0xe61509a4 0 4>;
-			clocks = <&cpg_clocks R8A7794_CLK_QSPI>;
+			clocks = <&cpg_clocks R8A7794_CLK_QSPI>, <&hp_clk>, <&hp_clk>,
+				<&hp_clk>, <&hp_clk>, <&hp_clk>, <&hp_clk>;
 			#clock-cells = <1>;
-			clock-indices = <R8A7794_CLK_QSPI_MOD>;
-			clock-output-names = "qspi_mod";
+			clock-indices = <
+				R8A7794_CLK_QSPI_MOD R8A7794_CLK_I2C5 R8A7794_CLK_I2C4
+				R8A7794_CLK_I2C3 R8A7794_CLK_I2C2 R8A7794_CLK_I2C1
+				R8A7794_CLK_I2C0
+			>;
+			clock-output-names =
+				"qspi_mod", "i2c5", "i2c4", "i2c3", "i2c2", "i2c1", "i2c0";
 		};
 		mstp11_clks: mstp11_clks@e615099c {
 			compatible = "renesas,r8a7794-mstp-clocks", "renesas,cpg-mstp-clocks";

include/dt-bindings/clock/r8a7794-clock.h

@@ -87,6 +87,12 @@
 #define R8A7794_CLK_GPIO1		11
 #define R8A7794_CLK_GPIO0		12
 #define R8A7794_CLK_QSPI_MOD		17
+#define R8A7794_CLK_I2C5		25
+#define R8A7794_CLK_I2C4		27
+#define R8A7794_CLK_I2C3		28
+#define R8A7794_CLK_I2C2		29
+#define R8A7794_CLK_I2C1		30
+#define R8A7794_CLK_I2C0		31
 
 /* MSTP11 */
 #define R8A7794_CLK_SCIFA3		6