dts: vt8500: Add ARM, AHB, APB and DDR clock nodes to SoC files

Add support for the ARM, AHB, APB and DDR clocks found on the
WM8505, WM8650, WM8750 and WM8850 SoCs.

These clocks are gateable, but the enable part of the clock definition
is left out as there are no users for these clocks, and we don't want
them being disabled at boot, but it does provide users the ability to
check the current rate of these clocks.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>

4 files changed, 92 insertions, 8 deletions

diff --git a/arch/arm/boot/dts/wm8505.dtsi b/arch/arm/boot/dts/wm8505.dtsi
index 702d866b6f5..a1a854b8a45 100644
--- a/arch/arm/boot/dts/wm8505.dtsi
+++ b/arch/arm/boot/dts/wm8505.dtsi
@@ -109,6 +109,34 @@
 					reg = <0x20c>;
 				};
 
+				clkarm: arm {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&plla>;
+					divisor-reg = <0x300>;
+				};
+
+				clkahb: ahb {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&pllb>;
+					divisor-reg = <0x304>;
+				};
+
+				clkapb: apb {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&pllb>;
+					divisor-reg = <0x350>;
+				};
+
+				clkddr: ddr {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&plld>;
+					divisor-reg = <0x310>;
+				};
+
 				clkuart0: uart0 {
 					#clock-cells = <0>;
 					compatible = "via,vt8500-device-clock";
diff --git a/arch/arm/boot/dts/wm8650.dtsi b/arch/arm/boot/dts/wm8650.dtsi
index 46a4603c9c5..7525982262a 100644
--- a/arch/arm/boot/dts/wm8650.dtsi
+++ b/arch/arm/boot/dts/wm8650.dtsi
@@ -113,6 +113,34 @@
 					reg = <0x210>;
 				};
 
+				clkarm: arm {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&plla>;
+					divisor-reg = <0x300>;
+				};
+
+				clkahb: ahb {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&pllb>;
+					divisor-reg = <0x304>;
+				};
+
+				clkapb: apb {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&pllb>;
+					divisor-reg = <0x320>;
+				};
+
+				clkddr: ddr {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&plld>;
+					divisor-reg = <0x310>;
+				};
+
 				clkuart0: uart0 {
  					#clock-cells = <0>;
  					compatible = "via,vt8500-device-clock";
@@ -129,14 +157,7 @@
 					enable-bit = <2>;
 				};
 
-				arm: arm {
-					#clock-cells = <0>;
-					compatible = "via,vt8500-device-clock";
-					clocks = <&plla>;
-					divisor-reg = <0x300>;
-				};
-
-				sdhc: sdhc {
+				clksdhc: sdhc {
 					#clock-cells = <0>;
 					compatible = "via,vt8500-device-clock";
 					clocks = <&pllb>;
diff --git a/arch/arm/boot/dts/wm8750.dtsi b/arch/arm/boot/dts/wm8750.dtsi
index e4a1e8553e3..557a9c2ace4 100644
--- a/arch/arm/boot/dts/wm8750.dtsi
+++ b/arch/arm/boot/dts/wm8750.dtsi
@@ -133,6 +133,13 @@
 					divisor-reg = <0x304>;
 				};
 
+				clkapb: apb {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&pllb>;
+					divisor-reg = <0x320>;
+				};
+
 				clkddr: ddr {
 					#clock-cells = <0>;
 					compatible = "via,vt8500-device-clock";
diff --git a/arch/arm/boot/dts/wm8850.dtsi b/arch/arm/boot/dts/wm8850.dtsi
index 59aaad98f54..1f49f54c38d 100644
--- a/arch/arm/boot/dts/wm8850.dtsi
+++ b/arch/arm/boot/dts/wm8850.dtsi
@@ -130,6 +130,34 @@
 					reg = <0x218>;
 				};
 
+				clkarm: arm {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&plla>;
+					divisor-reg = <0x300>;
+				};
+
+				clkahb: ahb {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&pllb>;
+					divisor-reg = <0x304>;
+				};
+
+				clkapb: apb {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&pllb>;
+					divisor-reg = <0x320>;
+				};
+
+				clkddr: ddr {
+					#clock-cells = <0>;
+					compatible = "via,vt8500-device-clock";
+					clocks = <&plld>;
+					divisor-reg = <0x310>;
+				};
+
 				clkuart0: uart0 {
 					#clock-cells = <0>;
 					compatible = "via,vt8500-device-clock";