[PATCH v2 2/3] arm: sunxi: Add clock definitions for the new clock driver
Emilio López
emilio at elopez.com.ar
Mon Feb 25 09:44:27 EST 2013
This introduces proper clock definitions on sunxi.dtsi, to be used
with the new clock driver for sunxi.
Signed-off-by: Emilio López <emilio at elopez.com.ar>
---
arch/arm/boot/dts/sunxi.dtsi | 83 ++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 80 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/sunxi.dtsi b/arch/arm/boot/dts/sunxi.dtsi
index 8b36abe..acf7777 100644
--- a/arch/arm/boot/dts/sunxi.dtsi
+++ b/arch/arm/boot/dts/sunxi.dtsi
@@ -24,13 +24,90 @@
clocks {
#address-cells = <1>;
- #size-cells = <0>;
+ #size-cells = <1>;
+ ranges;
- osc: oscillator {
+ /*
+ * 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.
+ */
+ dummy: dummy {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <0>;
+ };
+
+ osc24M_fixed: osc24M_fixed {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
};
+
+ osc24M: osc24M at 01c20050 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sunxi-osc-clk";
+ reg = <0x01c20050 0x4>;
+ clocks = <&osc24M_fixed>;
+ };
+
+ osc32k: osc32k {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ };
+
+ pll1: pll1 at 01c20000 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sunxi-pll1-clk";
+ reg = <0x01c20000 0x4>;
+ clocks = <&osc24M>;
+ };
+
+ /* dummy is 200M */
+ cpu: cpu at 01c20054 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sunxi-cpu-clk";
+ reg = <0x01c20054 0x4>;
+ clocks = <&osc32k>, <&osc24M>, <&pll1>, <&dummy>;
+ };
+
+ axi: axi at 01c20054 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sunxi-axi-clk";
+ reg = <0x01c20054 0x4>;
+ clocks = <&cpu>;
+ };
+
+ ahb: ahb at 01c20054 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sunxi-ahb-clk";
+ reg = <0x01c20054 0x4>;
+ clocks = <&axi>;
+ };
+
+ apb0: apb0 at 01c20054 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sunxi-apb0-clk";
+ reg = <0x01c20054 0x4>;
+ clocks = <&ahb>;
+ };
+
+ /* dummy is pll62 */
+ apb1_mux: apb1_mux at 01c20058 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sunxi-apb1-mux-clk";
+ reg = <0x01c20058 0x4>;
+ clocks = <&osc24M>, <&dummy>, <&osc32k>;
+ };
+
+ apb1: apb1 at 01c20058 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sunxi-apb1-clk";
+ reg = <0x01c20058 0x4>;
+ clocks = <&apb1_mux>;
+ };
};
soc {
@@ -44,7 +121,7 @@
compatible = "allwinner,sunxi-timer";
reg = <0x01c20c00 0x90>;
interrupts = <22>;
- clocks = <&osc>;
+ clocks = <&osc24M>;
};
wdt: watchdog at 01c20c90 {
--
1.8.2.rc0
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