diff options
| author | Vignesh R <vigneshr@ti.com> | 2016-02-26 01:36:36 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2016-03-01 02:21:28 +0300 |
| commit | 5fcc673067a2b577d37f2c5c5439dbb177f7107e (patch) | |
| tree | d6a6238590ce64db751ef2bed259ce9412084e9b | |
| parent | c60f9e29805eb5f27bc7fad088f3becabf388a1c (diff) | |
| download | linux-5fcc673067a2b577d37f2c5c5439dbb177f7107e.tar.xz | |
ARM: dts: DRA7: Add dt nodes for PWMSS
Add PWMSS device tree nodes for DRA7 SoC family and add documentation
for dt bindings.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt | 8 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt | 17 | ||||
| -rw-r--r-- | arch/arm/boot/dts/dra7.dtsi | 64 |
3 files changed, 88 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt index 9c100b2c5b23..25d91ae57de5 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt @@ -4,6 +4,7 @@ Required properties: - compatible: Must be "ti,<soc>-ehrpwm". for am33xx - compatible = "ti,am33xx-ehrpwm"; for da850 - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm"; + for dra7xx - compatible = "ti,dra7xx-ehrpwm", "ti,am33xx-ehrpwm"; - #pwm-cells: should be 3. See pwm.txt in this directory for a description of the cells format. The only third cell flag supported by this binding is PWM_POLARITY_INVERTED. @@ -27,3 +28,10 @@ ehrpwm0: ehrpwm@0 { /* EHRPWM on da850 */ #pwm-cells = <3>; reg = <0x300000 0x2000>; }; + +ehrpwm0: ehrpwm@0 { /* EHRPWM on dra7xx */ + compatible = "ti,dra7xx-ehrpwm", "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x48440200 0x80>; + ti,hwmods = "ehrpwm0"; +}; diff --git a/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt index f7eae77f8354..9270ce6b2da2 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt @@ -1,7 +1,9 @@ TI SOC based PWM Subsystem Required properties: -- compatible: Must be "ti,am33xx-pwmss"; +- compatible: Must be "ti,<soc>-pwmss". + for am33xx - compatible = "ti,am33xx-pwmss" + for dra7xx - compatible = "ti,dra7xx-pwmss", "ti,am33xx-pwmss" - reg: physical base address and size of the registers map. - address-cells: Specify the number of u32 entries needed in child nodes. Should set to 1. @@ -29,3 +31,16 @@ pwmss0: pwmss@48300000 { /* child nodes go here */ }; + +epwmss0: epwmss@4843e000 { /* On DRA7xx */ + compatible = "ti,dra7xx-pwmss", "ti,am33xx-pwmss"; + reg = <0x4843e000 0x30>; + ti,hwmods = "epwmss0"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x4843e100 0x4843e100 0x80 /* ECAP */ + 0x4843e180 0x4843e180 0x80 /* EQEP */ + 0x4843e200 0x4843e200 0x80>; /* EHRPWM */ + + /* child nodes go here */ +}; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 098b4dd14b01..6a4572a5e35f 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -1563,6 +1563,70 @@ clock-names = "fck", "sys_clk"; }; }; + + epwmss0: epwmss@4843e000 { + compatible = "ti,dra7xx-pwmss", "ti,am33xx-pwmss"; + reg = <0x4843e000 0x30>; + ti,hwmods = "epwmss0"; + #address-cells = <1>; + #size-cells = <1>; + status = "disabled"; + ranges = <0x4843e100 0x4843e100 0x80 /* ECAP */ + 0x4843e180 0x4843e180 0x80 /* EQEP */ + 0x4843e200 0x4843e200 0x80>;/* EHRPWM */ + + ehrpwm0: ehrpwm@4843e200 { + compatible = "ti,dra7xx-ehrpwm", + "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x4843e200 0x80>; + ti,hwmods = "ehrpwm0"; + status = "disabled"; + }; + }; + + epwmss1: epwmss@48440000 { + compatible = "ti,dra7xx-pwmss", "ti,am33xx-pwmss"; + reg = <0x48440000 0x30>; + ti,hwmods = "epwmss1"; + #address-cells = <1>; + #size-cells = <1>; + status = "disabled"; + ranges = <0x48440100 0x48440100 0x80 /* ECAP */ + 0x48440180 0x48440180 0x80 /* EQEP */ + 0x48440200 0x48440200 0x80>; /* EHRPWM */ + + ehrpwm1: ehrpwm@48440200 { + compatible = "ti,dra7xx-ehrpwm", + "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x48440200 0x80>; + ti,hwmods = "ehrpwm1"; + status = "disabled"; + }; + }; + + epwmss2: epwmss@48442000 { + compatible = "ti,dra7xx-pwmss", "ti,am33xx-pwmss"; + reg = <0x48442000 0x30>; + ti,hwmods = "epwmss2"; + #address-cells = <1>; + #size-cells = <1>; + status = "disabled"; + + ranges = <0x48442100 0x48442100 0x80 /* ECAP */ + 0x48442180 0x48442180 0x80 /* EQEP */ + 0x48442200 0x48442200 0x80>; /* EHRPWM */ + + ehrpwm2: ehrpwm@48442200 { + compatible = "ti,dra7xx-ehrpwm", + "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x48442200 0x80>; + ti,hwmods = "ehrpwm2"; + status = "disabled"; + }; + }; }; thermal_zones: thermal-zones { |