patches.renesas/0003-ARM-shmobile-r8a7791-Add-IRQC-clock-to-device-tree.patch

From e4631c4d13aa7401241dade0f94fbc2ebb2eb8f8 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Wed, 18 Mar 2015 19:56:00 +0100
Subject: [PATCH 003/129] 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>
(cherry picked from commit 62d386c04b1cb9df430c955b309406175d26b6b3)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/boot/dts/r8a7791.dtsi            | 9 +++++++++
 include/dt-bindings/clock/r8a7791-clock.h | 3 +++
 2 files changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 4696062f6dde..20ab76680884 100644
--- 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 8fc5dc8faeea..402268384b99 100644
--- 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
-- 
2.6.2