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authorChris Zhong <zyw@rock-chips.com>2014-09-28 06:28:54 +0400
committerMark Brown <broonie@kernel.org>2014-09-28 14:36:13 +0400
commitfbf7974427910a3f13fcb76a3493f9da0b141120 (patch)
tree3c59d240e94be19daddf06791e8a54da6c08b410 /Documentation
parentaa66cc6630a4088e84b64992aa5f137711ae45fa (diff)
downloadlinux-fbf7974427910a3f13fcb76a3493f9da0b141120.tar.xz
regulator: pwm-regulator: add devicetree bindings for pwm regulator
Document the pwm regulator Signed-off-by: Chris Zhong <zyw@rock-chips.com> Reviewed-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/regulator/pwm-regulator.txt27
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/pwm-regulator.txt b/Documentation/devicetree/bindings/regulator/pwm-regulator.txt
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+pwm regulator bindings
+
+Required properties:
+- compatible: Should be "pwm-regulator"
+- pwms: OF device-tree PWM specification (see PWM binding pwm.txt)
+- voltage-table: voltage and duty table, include 2 members in each set of
+ brackets, first one is voltage(unit: uv), the next is duty(unit: percent)
+
+Any property defined as part of the core regulator binding defined in
+regulator.txt can also be used.
+
+Example:
+ pwm_regulator {
+ compatible = "pwm-regulator;
+ pwms = <&pwm1 0 8448 0>;
+
+ voltage-table = <1114000 0>,
+ <1095000 10>,
+ <1076000 20>,
+ <1056000 30>,
+ <1036000 40>,
+ <1016000 50>;
+
+ regulator-min-microvolt = <1016000>;
+ regulator-max-microvolt = <1114000>;
+ regulator-name = "vdd_logic";
+ };