regulator: s5m8767: Document new binding for Buck9 GPIO control
Add documentation for new binding for controlling (enable/disable) the Buck9 Converter by GPIO (BUCK9EN). Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org>
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@ -69,13 +69,16 @@ sub-node should be of the format as listed below.
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};
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};
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The above regulator entries are defined in regulator bindings documentation
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except op_mode description.
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except these properties:
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- op_mode: describes the different operating modes of the LDO's with
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power mode change in SOC. The different possible values are,
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0 - always off mode
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1 - on in normal mode
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2 - low power mode
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3 - suspend mode
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- s5m8767,pmic-ext-control-gpios: (optional) GPIO specifier for one
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GPIO controlling this regulator (enable/disable); This is
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valid only for buck9.
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The following are the names of the regulators that the s5m8767 pmic block
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supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number
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@ -148,5 +151,13 @@ Example:
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regulator-always-on;
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regulator-boot-on;
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};
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vemmc_reg: BUCK9 {
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regulator-name = "VMEM_VDD_2.8V";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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op_mode = <3>; /* Standby Mode */
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s5m8767,pmic-ext-control-gpios = <&gpk0 2 0>;
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};
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};
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};
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