[PATCH v3 3/5] ARM: dts: sun7i: external clock outputs
Chen-Yu Tsai
wens at csie.org
Tue Dec 31 21:30:48 EST 2013
This commit adds the two external clock outputs available on A20 to
its device tree. A dummy fixed factor clock is also added to serve as
the first input of the clock outputs, which according to AW's A20 user
manual, is the 24MHz oscillator divided by 750.
Signed-off-by: Chen-Yu Tsai <wens at csie.org>
---
arch/arm/boot/dts/sun7i-a20.dtsi | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index c0fb390..e192c99 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -303,6 +303,34 @@
clocks = <&osc24M>, <&pll6 2>, <&pll5 1>;
clock-output-names = "mbus";
};
+
+ /*
+ * Dummy clock used by output clocks
+ */
+ osc24M_32k: clk at 1 {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clock-div = <750>;
+ clock-mult = <1>;
+ clocks = <&osc24M>;
+ clock-output-names = "osc24M_32k";
+ };
+
+ clk_out_a: clk at 01c201f0 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun7i-a20-out-clk";
+ reg = <0x01c201f0 0x4>;
+ clocks = <&osc24M_32k>, <&osc32k>, <&osc24M>;
+ clock-output-names = "clk_out_a";
+ };
+
+ clk_out_b: clk at 01c201f4 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun7i-a20-out-clk";
+ reg = <0x01c201f4 0x4>;
+ clocks = <&osc24M_32k>, <&osc32k>, <&osc24M>;
+ clock-output-names = "clk_out_b";
+ };
};
soc at 01c00000 {
--
1.8.5.2
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