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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-samsung.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-samsung.txt b/Documentation/devicetree/bindings/pwm/pwm-samsung.txt index ac67c687a327..39f0ca7008ba 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-samsung.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-samsung.txt @@ -19,6 +19,16 @@ Required properties: - reg: base address and size of register area - interrupts: list of timer interrupts (one interrupt per timer, starting at timer 0) +- clock-names: should contain all following required clock names: + - "timers" - PWM base clock used to generate PWM signals, + and any subset of following optional clock names: + - "pwm-tclk0" - first external PWM clock source, + - "pwm-tclk1" - second external PWM clock source. + Note that not all IP variants allow using all external clock sources. + Refer to SoC documentation to learn which clock source configurations + are available. +- clocks: should contain clock specifiers of all clocks, which input names + have been specified in clock-names property, in same order. - #pwm-cells: number of cells used for PWM specifier - must be 3 the specifier format is as follows: - phandle to PWM controller node @@ -38,6 +48,8 @@ Example: reg = <0x7f006000 0x1000>; interrupt-parent = <&vic0>; interrupts = <23>, <24>, <25>, <27>, <28>; + clocks = <&clock 67>; + clock-names = "timers"; samsung,pwm-outputs = <0>, <1>; #pwm-cells = <3>; } |