[PATCH/RFC 5/5] ARM: shmobile: r8a7794: Add INTC-SYS clock to device tree

[Geert Uytterhoeven]

Link the ARM GIC to the INTC-SYS module clock, so it can be power
managed using that clock in the future.

Note that currently the GIC driver doesn't support module clocks nor
Runtime PM.

Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
 arch/arm/boot/dts/r8a7794.dtsi            | 7 ++++---
 include/dt-bindings/clock/r8a7794-clock.h | 1 +
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 01cf54f70501e8c2..5667d284a3f0af92 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -48,6 +48,7 @@
 			<0 0xf1004000 0 0x2000>,
 			<0 0xf1006000 0 0x2000>;
 		interrupts = <1 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+		clocks = <&mstp4_clks R8A7794_CLK_INTC_SYS>;
 	};
 
 	cmt0: timer at ffca0000 {
@@ -629,10 +630,10 @@
 		mstp4_clks: mstp4_clks at e6150140 {
 			compatible = "renesas,r8a7794-mstp-clocks", "renesas,cpg-mstp-clocks";
 			reg = <0 0xe6150140 0 4>, <0 0xe615004c 0 4>;
-			clocks = <&cp_clk>;
+			clocks = <&cp_clk>, <&zs_clk>;
 			#clock-cells = <1>;
-			clock-indices = <R8A7794_CLK_IRQC>;
-			clock-output-names = "irqc";
+			clock-indices = <R8A7794_CLK_IRQC R8A7794_CLK_INTC_SYS>;
+			clock-output-names = "irqc", "intc-sys";
 		};
 		mstp7_clks: mstp7_clks at e615014c {
 			compatible = "renesas,r8a7794-mstp-clocks", "renesas,cpg-mstp-clocks";
diff --git a/include/dt-bindings/clock/r8a7794-clock.h b/include/dt-bindings/clock/r8a7794-clock.h
index 09da38a58776b403..3ea8cea7d3e79d87 100644
--- a/include/dt-bindings/clock/r8a7794-clock.h
+++ b/include/dt-bindings/clock/r8a7794-clock.h
@@ -62,6 +62,7 @@
 
 /* MSTP4 */
 #define R8A7794_CLK_IRQC		7
+#define R8A7794_CLK_INTC_SYS		8
 
 /* MSTP5 */
 #define R8A7794_CLK_THERMAL		22
-- 
1.9.1