From: Naidu Tellapati <[email protected]> Add binding document for IMG Pulse Width Modulator (PWM) DAC present on the Pistachio SOC. The PWM DAC has four channels.
Signed-off-by: Naidu Tellapati <[email protected]> Signed-off-by: Sai Masarapu <[email protected]> Reviewed-by: Andrew Bresticker <[email protected]> --- No changes from v3. --- Documentation/devicetree/bindings/pwm/img-pwm.txt | 23 +++++++++++++++++++++ 1 files changed, 23 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/pwm/img-pwm.txt diff --git a/Documentation/devicetree/bindings/pwm/img-pwm.txt b/Documentation/devicetree/bindings/pwm/img-pwm.txt new file mode 100644 index 0000000..d3828dd --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/img-pwm.txt @@ -0,0 +1,23 @@ +*Imagination Technologies PWM DAC driver + +Required properties: + - compatible: Should be "img,pistachio-pwm" + - reg: Should contain physical base address and length of pwm registers. + - clocks: Must contain an entry for each entry in clock-names. + See ../clock/clock-bindings.txt for details. + - clock-names: input clock names. + Required elements: "pwm" and "sys". + - #pwm-cells: Should be 2. See pwm.txt in this directory for the + description of the cells format. + - img,cr-periph: Must contain a phandle to the peripheral control + syscon node which contains PWM control registers. + +Example: + pwm: pwm@18101300 { + compatible = "img,pistachio-pwm"; + reg = <0x18101300 0x100>; + clocks = <&pwm_clk>, <&system_clk>; + clock-names = "pwm", "sys"; + #pwm-cells = <2>; + img,cr-periph = <&cr_periph>; + }; -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-pwm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
