From: Geert Uytterhoeven Date: Wed, 18 Mar 2015 18:56:01 +0000 (+0100) Subject: ARM: shmobile: r8a7794: Add IRQC clock to device tree X-Git-Tag: firefly_0821_release~176^2~1556^2~23^2~33 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1c5ca5db11edd7ff27ad8a98ffb2ac61bfd520b6;p=firefly-linux-kernel-4.4.55.git ARM: shmobile: r8a7794: 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 Signed-off-by: Simon Horman --- diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi index 7a3ffa51a8bf..01cf54f70501 100644 --- a/arch/arm/boot/dts/r8a7794.dtsi +++ b/arch/arm/boot/dts/r8a7794.dtsi @@ -105,6 +105,7 @@ <0 15 IRQ_TYPE_LEVEL_HIGH>, <0 16 IRQ_TYPE_LEVEL_HIGH>, <0 17 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp4_clks R8A7794_CLK_IRQC>; }; dmac0: dma-controller@e6700000 { @@ -625,6 +626,14 @@ "sdhi2", "sdhi1", "sdhi0", "mmcif0", "cmt1", "usbdmac0", "usbdmac1"; }; + mstp4_clks: mstp4_clks@e6150140 { + compatible = "renesas,r8a7794-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0 0xe6150140 0 4>, <0 0xe615004c 0 4>; + clocks = <&cp_clk>; + #clock-cells = <1>; + clock-indices = ; + clock-output-names = "irqc"; + }; mstp7_clks: mstp7_clks@e615014c { compatible = "renesas,r8a7794-mstp-clocks", "renesas,cpg-mstp-clocks"; reg = <0 0xe615014c 0 4>, <0 0xe61501c4 0 4>; diff --git a/include/dt-bindings/clock/r8a7794-clock.h b/include/dt-bindings/clock/r8a7794-clock.h index d63323032d6e..09da38a58776 100644 --- a/include/dt-bindings/clock/r8a7794-clock.h +++ b/include/dt-bindings/clock/r8a7794-clock.h @@ -60,6 +60,9 @@ #define R8A7794_CLK_USBDMAC0 30 #define R8A7794_CLK_USBDMAC1 31 +/* MSTP4 */ +#define R8A7794_CLK_IRQC 7 + /* MSTP5 */ #define R8A7794_CLK_THERMAL 22 #define R8A7794_CLK_PWM 23