ARM: shmobile: r7s72100: add i2c clocks to dtsi

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit d165566b8dc425e52a4f2c19c27c63d9807128b2)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi
index a4a6738..afce2e3 100644 (file)
--- a/arch/arm/boot/dts/r7s72100.dtsi
+++ b/arch/arm/boot/dts/r7s72100.dtsi
@@ -110,6 +110,17 @@
                        >;
                        clock-output-names = "scif0", "scif1", "scif2", "scif3", "scif4", "scif5", "scif6", "scif7";
                };
+
+               mstp9_clks: mstp9_clks@fcfe0438 {
+                       #clock-cells = <1>;
+                       compatible = "renesas,r7s72100-mstp-clocks", "renesas,cpg-mstp-clocks";
+                       reg = <0xfcfe0438 4>;
+                       clocks = <&p0_clk>, <&p0_clk>, <&p0_clk>, <&p0_clk>;
+                       clock-indices = <
+                               R7S72100_CLK_I2C0 R7S72100_CLK_I2C1 R7S72100_CLK_I2C2 R7S72100_CLK_I2C3
+                       >;
+                       clock-output-names = "i2c0", "i2c1", "i2c2", "i2c3";
+               };
        };
 
        cpus {
@@ -145,6 +156,7 @@
                             <0 162 IRQ_TYPE_LEVEL_HIGH>,
                             <0 163 IRQ_TYPE_LEVEL_HIGH>,
                             <0 164 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp9_clks R7S72100_CLK_I2C0>;
                clock-frequency = <100000>;
                status = "disabled";
        };
@@ -162,6 +174,7 @@
                             <0 170 IRQ_TYPE_LEVEL_HIGH>,
                             <0 171 IRQ_TYPE_LEVEL_HIGH>,
                             <0 172 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp9_clks R7S72100_CLK_I2C1>;
                clock-frequency = <100000>;
                status = "disabled";
        };
@@ -179,6 +192,7 @@
                             <0 178 IRQ_TYPE_LEVEL_HIGH>,
                             <0 179 IRQ_TYPE_LEVEL_HIGH>,
                             <0 180 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp9_clks R7S72100_CLK_I2C2>;
                clock-frequency = <100000>;
                status = "disabled";
        };
@@ -196,6 +210,7 @@
                             <0 186 IRQ_TYPE_LEVEL_HIGH>,
                             <0 187 IRQ_TYPE_LEVEL_HIGH>,
                             <0 188 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp9_clks R7S72100_CLK_I2C3>;
                clock-frequency = <100000>;
                status = "disabled";
        };

diff --git a/include/dt-bindings/clock/r7s72100-clock.h b/include/dt-bindings/clock/r7s72100-clock.h
index c756f1c..ff84e0b 100644 (file)
--- a/include/dt-bindings/clock/r7s72100-clock.h
+++ b/include/dt-bindings/clock/r7s72100-clock.h
@@ -25,4 +25,10 @@
 #define R7S72100_CLK_SCIF6     1
 #define R7S72100_CLK_SCIF7     0
 
+/* MSTP9 */
+#define R7S72100_CLK_I2C0      7
+#define R7S72100_CLK_I2C1      6
+#define R7S72100_CLK_I2C2      5
+#define R7S72100_CLK_I2C3      4
+
 #endif /* __DT_BINDINGS_CLOCK_R7S72100_H__ */