clk/ARM: move Ux500 PRCC bases to the device tree

The base addresses for the Ux500 PRCC controllers are hardcoded,
let's move them to the clock node in the device tree and delete
the constants.

Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

arch/arm/boot/dts/ste-dbx5x0.dtsi

@@ -219,6 +219,13 @@ pm_domains: pm_domains0 {
 
 		clocks {
 			compatible = "stericsson,u8500-clks";
+			/*
+			 * Registers for the CLKRST block on peripheral
+			 * groups 1, 2, 3, 5, 6,
+			 */
+			reg = <0x8012f000 0x1000>, <0x8011f000 0x1000>,
+			    <0x8000f000 0x1000>, <0xa03ff000 0x1000>,
+			    <0xa03cf000 0x1000>;
 
 			prcmu_clk: prcmu-clock {
 				#clock-cells = <1>;

arch/arm/mach-ux500/cpu.c

@@ -72,21 +72,12 @@ void __init ux500_init_irq(void)
 	 * Init clocks here so that they are available for system timer
 	 * initialization.
 	 */
-	if (cpu_is_u8500_family()) {
-		u8500_of_clk_init(U8500_CLKRST1_BASE,
-				  U8500_CLKRST2_BASE,
-				  U8500_CLKRST3_BASE,
-				  U8500_CLKRST5_BASE,
-				  U8500_CLKRST6_BASE);
-	} else if (cpu_is_u9540()) {
-		u9540_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE,
-			       U8500_CLKRST3_BASE, U8500_CLKRST5_BASE,
-			       U8500_CLKRST6_BASE);
-	} else if (cpu_is_u8540()) {
-		u8540_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE,
-			       U8500_CLKRST3_BASE, U8500_CLKRST5_BASE,
-			       U8500_CLKRST6_BASE);
-	}
+	if (cpu_is_u8500_family())
+		u8500_clk_init();
+	else if (cpu_is_u9540())
+		u9540_clk_init();
+	else if (cpu_is_u8540())
+		u8540_clk_init();
 }
 
 static const char * __init ux500_get_machine(void)

drivers/clk/ux500/u9540_clk.c

@@ -12,8 +12,7 @@
 #include <linux/platform_data/clk-ux500.h>
 #include "clk.h"
 
-void u9540_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
-		    u32 clkrst5_base, u32 clkrst6_base)
+void u9540_clk_init(void)
 {
 	/* register clocks here */
 }

include/linux/platform_data/clk-ux500.h

@@ -10,12 +10,8 @@
 #ifndef __CLK_UX500_H
 #define __CLK_UX500_H
 
-void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
-		       u32 clkrst5_base, u32 clkrst6_base);
-
-void u9540_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
-		    u32 clkrst5_base, u32 clkrst6_base);
-void u8540_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
-		    u32 clkrst5_base, u32 clkrst6_base);
+void u8500_clk_init(void);
+void u9540_clk_init(void);
+void u8540_clk_init(void);
 
 #endif /* __CLK_UX500_H */