[PATCH linux v2 3/3] devicetree : Add support in Zaius platform for 4 PWM output ports

[Jaghathiswari Rankappagounder Natarajan <jaghu@google.com>]

Zaius has four fans. Add support for four PWM output ports in Zaius.

v2:
- make the pwmX entries children of the pwm_controller entry.

Signed-off-by: Jaghathiswari Rankappagounder Natarajan <jaghu@google.com>
---
 arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts | 43 ++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
index 4c4754b..5ba8fed 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
@@ -58,6 +58,49 @@
 			};
 		};
 	};
+
+	pwm: pwm-controller@1e786000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0x1E786000 0x78>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_pwm1_default
+				&pinctrl_pwm2_default &pinctrl_pwm3_default>;
+		compatible = "aspeed,ast2500-pwm";
+		clock_enable = /bits/ 8 <0x01>;
+		clock_source = /bits/ 8 <0x00>;
+		typem_pwm_clock = <1 5 0 95>;
+		typen_pwm_clock = <0 0 0 0>;
+		typeo_pwm_clock = <0 0 0 0>;
+
+		pwm_port0 {
+			pwm_port = /bits/ 8 <0x00>;
+			pwm_enable = /bits/ 8 <0x01>;
+			pwm_type = /bits/ 8 <0x00>;
+			pwm_duty_cycle_percent = /bits/ 8 <0x64>;
+		};
+
+		pwm_port1 {
+			pwm_port = /bits/ 8 <0x01>;
+			pwm_enable = /bits/ 8 <0x01>;
+			pwm_type = /bits/ 8 <0x00>;
+			pwm_duty_cycle_percent = /bits/ 8 <0x64>;
+		};
+
+		pwm_port2 {
+			pwm_port = /bits/ 8 <0x02>;
+			pwm_enable = /bits/ 8 <0x01>;
+			pwm_type = /bits/ 8 <0x00>;
+			pwm_duty_cycle_percent = /bits/ 8 <0x64>;
+		};
+
+		pwm_port3 {
+			pwm_port = /bits/ 8 <0x03>;
+			pwm_enable = /bits/ 8 <0x01>;
+			pwm_type = /bits/ 8 <0x00>;
+			pwm_duty_cycle_percent = /bits/ 8 <0x64>;
+		};
+	};
 };

 &uart5 {
--
2.8.0.rc3.226.g39d4020