librecmc-gitorious/target/linux/sunxi/patches-3.14/110-dt-sun6i-add-pll-and-spi-modclocks.patch

From 7f94ebf35b017f1664e957857a7f36752e2577cd Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@free-electrons.com>
Date: Wed, 5 Feb 2014 14:05:04 +0100
Subject: [PATCH] ARM: sun6i: dt: Add PLL6 and SPI module clocks

The module clocks in the A31 are still compatible with the A10 one. Add the SPI
module clocks and the PLL6 in the device tree to allow their use by the SPI
controllers.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
 arch/arm/boot/dts/sun6i-a31.dtsi | 46 ++++++++++++++++++++++++++++++++--------
 1 file changed, 37 insertions(+), 9 deletions(-)

--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -83,16 +83,12 @@
 			clocks = <&osc24M>;
 		};
 
-		/*
-		 * This is a dummy clock, to be used as placeholder on
-		 * other mux clocks when a specific parent clock is not
-		 * yet implemented. It should be dropped when the driver
-		 * is complete.
-		 */
-		pll6: pll6 {
+		pll6: clk@01c20028 {
 			#clock-cells = <0>;
-			compatible = "fixed-clock";
-			clock-frequency = <0>;
+			compatible = "allwinner,sun6i-a31-pll6-clk";
+			reg = <0x01c20028 0x4>;
+			clocks = <&osc24M>;
+			clock-output-names = "pll6";
 		};
 
 		cpu: cpu@01c20050 {
@@ -192,6 +188,38 @@
 					"apb2_uart1", "apb2_uart2", "apb2_uart3",
 					"apb2_uart4", "apb2_uart5";
 		};
+
+		spi0_clk: clk@01c200a0 {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun4i-mod0-clk";
+			reg = <0x01c200a0 0x4>;
+			clocks = <&osc24M>, <&pll6>;
+			clock-output-names = "spi0";
+		};
+
+		spi1_clk: clk@01c200a4 {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun4i-mod0-clk";
+			reg = <0x01c200a4 0x4>;
+			clocks = <&osc24M>, <&pll6>;
+			clock-output-names = "spi1";
+		};
+
+		spi2_clk: clk@01c200a8 {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun4i-mod0-clk";
+			reg = <0x01c200a8 0x4>;
+			clocks = <&osc24M>, <&pll6>;
+			clock-output-names = "spi2";
+		};
+
+		spi3_clk: clk@01c200ac {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun4i-mod0-clk";
+			reg = <0x01c200ac 0x4>;
+			clocks = <&osc24M>, <&pll6>;
+			clock-output-names = "spi3";
+		};
 	};
 
 	soc@01c00000 {