ARM: shmobile: r8a7791: Add IRQC clock to device tree

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 <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 3e9f824..d2c41ad 100644 (file)
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -239,6 +239,7 @@
                             <0 15 IRQ_TYPE_LEVEL_HIGH>,
                             <0 16 IRQ_TYPE_LEVEL_HIGH>,
                             <0 17 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp4_clks R8A7791_CLK_IRQC>;
        };
 
        dmac0: dma-controller@e6700000 {
@@ -1160,6 +1161,14 @@
                                "mmcif0", "i2c7", "pciec", "i2c8", "ssusb", "cmt1",
                                "usbdmac0", "usbdmac1";
                };
+               mstp4_clks: mstp4_clks@e6150140 {
+                       compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
+                       reg = <0 0xe6150140 0 4>, <0 0xe615004c 0 4>;
+                       clocks = <&cp_clk>;
+                       #clock-cells = <1>;
+                       clock-indices = <R8A7791_CLK_IRQC>;
+                       clock-output-names = "irqc";
+               };
                mstp5_clks: mstp5_clks@e6150144 {
                        compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
                        reg = <0 0xe6150144 0 4>, <0 0xe615003c 0 4>;

diff --git a/include/dt-bindings/clock/r8a7791-clock.h b/include/dt-bindings/clock/r8a7791-clock.h
index 8fc5dc8..4022683 100644 (file)
--- a/include/dt-bindings/clock/r8a7791-clock.h
+++ b/include/dt-bindings/clock/r8a7791-clock.h
@@ -70,6 +70,9 @@
 #define R8A7791_CLK_USBDMAC0           30
 #define R8A7791_CLK_USBDMAC1           31
 
+/* MSTP4 */
+#define R8A7791_CLK_IRQC               7
+
 /* MSTP5 */
 #define R8A7791_CLK_AUDIO_DMAC1                1
 #define R8A7791_CLK_AUDIO_DMAC0                2