Link the external IRQ controller irqc0 to the IRQC module clock, so it
can be power managed using that clock.

Signed-off-by: Geert Uytterhoeven <[email protected]>
---
 arch/arm/boot/dts/r8a7790.dtsi            | 9 +++++++++
 include/dt-bindings/clock/r8a7790-clock.h | 3 +++
 2 files changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index 4bb2f4c17321bd55..a81cfda0872fc30a 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -252,6 +252,7 @@
                             <0 1 IRQ_TYPE_LEVEL_HIGH>,
                             <0 2 IRQ_TYPE_LEVEL_HIGH>,
                             <0 3 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp4_clks R8A7790_CLK_IRQC>;
        };
 
        dmac0: dma-controller@e6700000 {
@@ -1158,6 +1159,14 @@
                                "iic0", "pciec", "iic1", "ssusb", "cmt1",
                                "usbdmac0", "usbdmac1";
                };
+               mstp4_clks: mstp4_clks@e6150140 {
+                       compatible = "renesas,r8a7790-mstp-clocks", 
"renesas,cpg-mstp-clocks";
+                       reg = <0 0xe6150140 0 4>, <0 0xe615004c 0 4>;
+                       clocks = <&cp_clk>;
+                       #clock-cells = <1>;
+                       clock-indices = <R8A7790_CLK_IRQC>;
+                       clock-output-names = "irqc";
+               };
                mstp5_clks: mstp5_clks@e6150144 {
                        compatible = "renesas,r8a7790-mstp-clocks", 
"renesas,cpg-mstp-clocks";
                        reg = <0 0xe6150144 0 4>, <0 0xe615003c 0 4>;
diff --git a/include/dt-bindings/clock/r8a7790-clock.h 
b/include/dt-bindings/clock/r8a7790-clock.h
index 3f2c6b198d4ac289..ff7ca3584e169589 100644
--- a/include/dt-bindings/clock/r8a7790-clock.h
+++ b/include/dt-bindings/clock/r8a7790-clock.h
@@ -79,6 +79,9 @@
 #define R8A7790_CLK_USBDMAC0           30
 #define R8A7790_CLK_USBDMAC1           31
 
+/* MSTP4 */
+#define R8A7790_CLK_IRQC               7
+
 /* MSTP5 */
 #define R8A7790_CLK_AUDIO_DMAC1                1
 #define R8A7790_CLK_AUDIO_DMAC0                2
-- 
1.9.1

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