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@xxxxxx>
Reviewed-by: Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>
---
Changes since v2:
- ranges property populated to handle child devices address range
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 20a3f29..4393161 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -338,5 +338,89 @@
power = <250>;
ti,hwmods = "usb_otg_hs";
};
+
+ epwmss0: epwmss@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@48300100 {
+ compatible = "ti,am33xx-ecap";
+ #pwm-cells = <3>;
+ reg = <0x48300100 0x80>;
+ ti,hwmods = "ecap0";
+ status = "disabled";
+ };
+
+ ehrpwm0: ehrpwm@48300200 {
+ compatible = "ti,am33xx-ehrpwm";
+ #pwm-cells = <3>;
+ reg = <0x48300200 0x80>;
+ ti,hwmods = "ehrpwm0";
+ status = "disabled";
+ };
+ };
+
+ epwmss1: epwmss@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@48302100 {
+ compatible = "ti,am33xx-ecap";
+ #pwm-cells = <3>;
+ reg = <0x48302100 0x80>;
+ ti,hwmods = "ecap1";
+ status = "disabled";
+ };
+
+ ehrpwm1: ehrpwm@48302200 {
+ compatible = "ti,am33xx-ehrpwm";
+ #pwm-cells = <3>;
+ reg = <0x48302200 0x80>;
+ ti,hwmods = "ehrpwm1";
+ status = "disabled";
+ };
+ };
+
+ epwmss2: epwmss@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@48304100 {
+ compatible = "ti,am33xx-ecap";
+ #pwm-cells = <3>;
+ reg = <0x48304100 0x80>;
+ ti,hwmods = "ecap2";
+ status = "disabled";
+ };
+
+ ehrpwm2: ehrpwm@48304200 {
+ compatible = "ti,am33xx-ehrpwm";
+ #pwm-cells = <3>;
+ reg = <0x48304200 0x80>;
+ ti,hwmods = "ehrpwm2";
+ status = "disabled";
+ };
+ };
};
};
--
1.7.0.4
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