[PATCH] ARM: dts: exynos: Add audio power domain support to Exynos542x SoCs

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Audio power domain includes following hardware modules: Pin controller
for GPZ bank, AudioSS clock controller, PL330 ADMA device and Exynos I2S
controller.

Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
Currently this domain will not be turned off, because pinctrl and clock
controller don't support runtime PM and PL330 ADMA requires irq-safe runtime
PM. Separate patches for those devices/subsystems will be posted to get
proper runtime PM available and finally let this power domain to be turned
off.
---
 arch/arm/boot/dts/exynos5420.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 0154c2e..d9ebc33 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -188,6 +188,7 @@
 			clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MAU_EPLL>,
 				 <&clock CLK_SCLK_MAUDIO0>, <&clock CLK_SCLK_MAUPCM0>;
 			clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in";
+			power-domains = <&mau_pd>;
 		};
 
 		mfc: codec@11000000 {
@@ -317,6 +318,12 @@
 			clock-names = "oscclk", "clk0", "clk1", "clk2", "asb0", "asb1";
 		};
 
+		mau_pd: power-domain@100440E0 {
+			compatible = "samsung,exynos4210-pd";
+			reg = <0x100440E0 0x20>;
+			#power-domain-cells = <0>;
+		};
+
 		pinctrl_0: pinctrl@13400000 {
 			compatible = "samsung,exynos5420-pinctrl";
 			reg = <0x13400000 0x1000>;
@@ -351,6 +358,7 @@
 			compatible = "samsung,exynos5420-pinctrl";
 			reg = <0x03860000 0x1000>;
 			interrupts = <0 47 IRQ_TYPE_LEVEL_HIGH>;
+			power-domains = <&mau_pd>;
 		};
 
 		amba {
@@ -369,6 +377,7 @@
 				#dma-cells = <1>;
 				#dma-channels = <6>;
 				#dma-requests = <16>;
+				power-domains = <&mau_pd>;
 			};
 
 			pdma0: pdma@121A0000 {
@@ -441,6 +450,7 @@
 			samsung,idma-addr = <0x03000000>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&i2s0_bus>;
+			power-domains = <&mau_pd>;
 			status = "disabled";
 		};
 
-- 
1.9.1

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