[PATCH v3 09/10] ARM: dts: AM33XX: Add PWMSS device tree nodes

Philip, Avinash avinashphilip at ti.com
Tue Nov 20 00:03:50 EST 2012


Add PWMSS device tree nodes in relation with ECAP & EHRPWM DT nodes to
AM33XX SoC family. Also populates device tree nodes for ECAP & EHRPWM by
adding necessary properties like pwm-cells, base reg & set disabled as
status.

Signed-off-by: Philip, Avinash <avinashphilip at ti.com>
---
Changes since v2:
	- ranges property populated to handle child devices address range

:100644 100644 bb31bff... 75daf1d... M	arch/arm/boot/dts/am33xx.dtsi
 arch/arm/boot/dts/am33xx.dtsi |   84 +++++++++++++++++++++++++++++++++++++++++
 1 files changed, 84 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index bb31bff..75daf1d 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -210,5 +210,89 @@
 			interrupt-parent = <&intc>;
 			interrupts = <91>;
 		};
+
+		epwmss0: epwmss at 48300000 {
+			compatible = "ti,am33xx-pwmss";
+			reg = <0x48300000 0x10>;
+			ti,hwmods = "epwmss0";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			status = "disabled";
+			ranges = <0x48300100 0x48300100 0x80   /* ECAP */
+				  0x48300180 0x48300180 0x80   /* EQEP */
+				  0x48300200 0x48300200 0x80>; /* EHRPWM */
+
+			ecap0: ecap at 48300100 {
+				compatible = "ti,am33xx-ecap";
+				#pwm-cells = <3>;
+				reg = <0x48300100 0x80>;
+				ti,hwmods = "ecap0";
+				status = "disabled";
+			};
+
+			ehrpwm0: ehrpwm at 48300200 {
+				compatible = "ti,am33xx-ehrpwm";
+				#pwm-cells = <3>;
+				reg = <0x48300200 0x80>;
+				ti,hwmods = "ehrpwm0";
+				status = "disabled";
+			};
+		};
+
+		epwmss1: epwmss at 48302000 {
+			compatible = "ti,am33xx-pwmss";
+			reg = <0x48302000 0x10>;
+			ti,hwmods = "epwmss1";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			status = "disabled";
+			ranges = <0x48302100 0x48302100 0x80   /* ECAP */
+				  0x48302180 0x48302180 0x80   /* EQEP */
+				  0x48302200 0x48302200 0x80>; /* EHRPWM */
+
+			ecap1: ecap at 48302100 {
+				compatible = "ti,am33xx-ecap";
+				#pwm-cells = <3>;
+				reg = <0x48302100 0x80>;
+				ti,hwmods = "ecap1";
+				status = "disabled";
+			};
+
+			ehrpwm1: ehrpwm at 48302200 {
+				compatible = "ti,am33xx-ehrpwm";
+				#pwm-cells = <3>;
+				reg = <0x48302200 0x80>;
+				ti,hwmods = "ehrpwm1";
+				status = "disabled";
+			};
+		};
+
+		epwmss2: epwmss at 48304000 {
+			compatible = "ti,am33xx-pwmss";
+			reg = <0x48304000 0x10>;
+			ti,hwmods = "epwmss2";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			status = "disabled";
+			ranges = <0x48304100 0x48304100 0x80   /* ECAP */
+				  0x48304180 0x48304180 0x80   /* EQEP */
+				  0x48304200 0x48304200 0x80>; /* EHRPWM */
+
+			ecap2: ecap at 48304100 {
+				compatible = "ti,am33xx-ecap";
+				#pwm-cells = <3>;
+				reg = <0x48304100 0x80>;
+				ti,hwmods = "ecap2";
+				status = "disabled";
+			};
+
+			ehrpwm2: ehrpwm at 48304200 {
+				compatible = "ti,am33xx-ehrpwm";
+				#pwm-cells = <3>;
+				reg = <0x48304200 0x80>;
+				ti,hwmods = "ehrpwm2";
+				status = "disabled";
+			};
+		};
 	};
 };
-- 
1.7.0.4




More information about the linux-arm-kernel mailing list