diff options
| author | Vignesh R <vigneshr@ti.com> | 2016-05-03 17:56:55 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2016-06-10 13:58:06 +0200 |
| commit | 34370142331953146efd1be573696785957a2fa9 (patch) | |
| tree | e0b030190104835f544a776fbc499fddefc13ad9 /Documentation/devicetree/bindings/pwm | |
| parent | ARM: dts: am437x/am33xx: Remove hwmod entries for ECAP and EPWM nodes (diff) | |
| download | linux-34370142331953146efd1be573696785957a2fa9.tar.xz linux-34370142331953146efd1be573696785957a2fa9.zip | |
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>
[fcooper@ti.com: Add eCAP and use updated bindings for PWMSS and ePWM]
Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pwm')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tiecap.txt | 9 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt | 9 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt | 12 |
3 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt index f2a9a7cbea34..8007e839a716 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt @@ -5,6 +5,7 @@ Required properties: for am33xx - compatible = "ti,am3352-ecap", "ti,am33xx-ecap"; for am4372 - compatible = "ti,am4372-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; for da850 - compatible = "ti,da850-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; + for dra746 - compatible = "ti,dra746-ecap", "ti,am3352-ecap"; - #pwm-cells: should be 3. See pwm.txt in this directory for a description of the cells format. The PWM channel index ranges from 0 to 4. The only third cell flag supported by this binding is PWM_POLARITY_INVERTED. @@ -38,3 +39,11 @@ ecap0: ecap@1f06000 { /* ECAP on da850 */ #pwm-cells = <3>; reg = <0x1f06000 0x80>; }; + +ecap0: ecap@4843e100 { + compatible = "ti,dra746-ecap", "ti,am3352-ecap"; + #pwm-cells = <3>; + reg = <0x4843e100 0x80>; + clocks = <&l4_root_clk_div>; + clock-names = "fck"; +}; diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt index 41a2bd4b9fe3..944fe356bb45 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt @@ -5,6 +5,7 @@ Required properties: for am33xx - compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; for am4372 - compatible = "ti,am4372-ehrpwm", "ti-am3352-ehrpwm", "ti,am33xx-ehrpwm"; for da850 - compatible = "ti,da850-ehrpwm", "ti-am3352-ehrpwm", "ti,am33xx-ehrpwm"; + for dra746 - compatible = "ti,dra746-ehrpwm", "ti-am3352-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. @@ -38,3 +39,11 @@ ehrpwm0: pwm@1f00000 { /* EHRPWM on da850 */ #pwm-cells = <3>; reg = <0x1f00000 0x2000>; }; + +ehrpwm0: pwm@4843e200 { /* EHRPWM on dra746 */ + compatible = "ti,dra746-ehrpwm", "ti,am3352-ehrpwm"; + #pwm-cells = <3>; + reg = <0x4843e200 0x80>; + clocks = <&ehrpwm0_tbclk>, <&l4_root_clk_div>; + clock-names = "tbclk", "fck"; +}; diff --git a/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt index fd8e87c16a44..1a5d7b71db89 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt @@ -4,6 +4,7 @@ Required properties: - compatible: Must be "ti,<soc>-pwmss". for am33xx - compatible = "ti,am33xx-pwmss"; for am4372 - compatible = "ti,am4372-pwmss","ti,am33xx-pwmss"; + for dra746 - compatible = "ti,dra746-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. @@ -46,3 +47,14 @@ epwmss0: epwmss@48300000 { /* PWMSS for am4372 */ /* child nodes go here */ }; + +epwmss0: epwmss@4843e000 { /* PWMSS for DRA7xx */ + compatible = "ti,dra746-pwmss", "ti,am33xx-pwmss"; + reg = <0x4843e000 0x30>; + ti,hwmods = "epwmss0"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + /* child nodes go here */ +}; |