This patch adds dt-binding document for pwm-sirf. here the controller clock can't generate PWM signals, so we need seperate clock as signal source. Signed-off-by: Huayi Li <huayi.li@xxxxxxx> --- Documentation/devicetree/bindings/pwm/pwm-sirf.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-sirf.txt diff --git a/Documentation/devicetree/bindings/pwm/pwm-sirf.txt b/Documentation/devicetree/bindings/pwm/pwm-sirf.txt new file mode 100644 index 0000000..221e5d9 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-sirf.txt @@ -0,0 +1,29 @@ +SiRF prima2 & atlas6 PWM drivers + +Required properties: +- compatible: "sirf,prima2-pwm" +- reg: physical base address and length of the controller's registers +- #pwm-cells: should be 2. See pwm.txt in this directory for a description of + the cells format. +- clocks: Must contain an entry for each entry in clock-names. + See ../clock/prima2-clock.txt for details. +- clock-names: Must include the following entries: + of clock sources to generate PWM signal, + - pwmc: PWM controller clock + - sigsrc0: source clock 0 for PWM + - sigsrc1: source clock 1 for PWM + - sigsrc2: source clock 2 for PWM + - sigsrc3: source clock 3 for PWM + - sigsrc4: source clock 4 for PWM + +Example: + +pwm: pwm@b0130000 { + compatible = "sirf,prima2-pwm"; + #pwm-cells = <2>; + reg = <0xb0130000 0x10000>; + clocks = <&clks 21>, <&clks 1>, <&clks 2>, + <&clks 3>, <&clks 0>, <&clks 4>; + clock-names = "pwmc", "sigsrc0", "sigsrc1", + "sigsrc2", "sigsrc3", "sigsrc4"; +}; -- 1.9.3 Member of the CSR plc group of companies. CSR plc registered in England and Wales, registered number 4187346, registered office Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, United Kingdom More information can be found at www.csr.com. Keep up to date with CSR on our technical blog, www.csr.com/blog, CSR people blog, www.csr.com/people, YouTube, www.youtube.com/user/CSRplc, Facebook, www.facebook.com/pages/CSR/191038434253534, or follow us on Twitter at www.twitter.com/CSR_plc. New for 2014, you can now access the wide range of products powered by aptX at www.aptx.com. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html