diff options
| author | Mark Brown <broonie@kernel.org> | 2021-01-07 19:59:17 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-01-07 19:59:17 +0000 |
| commit | 90fd840e72770a37f677d4bc9c53f8bf018cd45d (patch) | |
| tree | 30e763505d96f821087a06c68a66189ab5a675e5 | |
| parent | 907dfdc945aa3d183cdc6a81b963ee3b42ece306 (diff) | |
| parent | eea0b4e213232b28a25de5b88af9e25667e8d2f2 (diff) | |
Merge series "regulator: mcp16502: make lpm pin optional" from Claudiu Beznea <claudiu.beznea@microchip.com>:
Hi,
This patch makes the LPM pin as optional as this may be controlled
in the last phase of suspend procedure to decrease the power consumption
while suspended. Along w/ this update the MAINTAINERS entry for this
driver.
Thank you,
Claudiu Beznea
Claudiu Beznea (3):
dt-bindings: regulator: mcp16502: document lpm as optional
regulator: mcp16502: lpm pin can be optional on some platforms
MAINTAINERS: add myself as maintainer for mcp16502
Documentation/devicetree/bindings/regulator/mcp16502-regulator.txt | 3 ++-
MAINTAINERS | 4 ++--
drivers/regulator/mcp16502.c | 2 +-
3 files changed, 5 insertions(+), 4 deletions(-)
--
2.7.4
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| -rw-r--r-- | Documentation/devicetree/bindings/regulator/mcp16502-regulator.txt | 3 | ||||
| -rw-r--r-- | MAINTAINERS | 4 | ||||
| -rw-r--r-- | drivers/regulator/mcp16502.c | 2 |
3 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/regulator/mcp16502-regulator.txt b/Documentation/devicetree/bindings/regulator/mcp16502-regulator.txt index d86584ed4d93..451cc4e86b01 100644 --- a/Documentation/devicetree/bindings/regulator/mcp16502-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/mcp16502-regulator.txt @@ -4,7 +4,8 @@ Required properties: - compatible: "microchip,mcp16502" - reg: I2C slave address - lpm-gpios: GPIO for LPM pin. Note that this GPIO *must* remain high during - suspend-to-ram, keeping the PMIC into HIBERNATE mode. + suspend-to-ram, keeping the PMIC into HIBERNATE mode; this + property is optional; - regulators: A node that houses a sub-node for each regulator within the device. Each sub-node is identified using the node's name. The content of each sub-node is defined by the diff --git a/MAINTAINERS b/MAINTAINERS index 546aa66428c9..3259f0e0b630 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11690,9 +11690,9 @@ F: drivers/video/fbdev/atmel_lcdfb.c F: include/video/atmel_lcdc.h MICROCHIP MCP16502 PMIC DRIVER -M: Andrei Stefanescu <andrei.stefanescu@microchip.com> +M: Claudiu Beznea <claudiu.beznea@microchip.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained +S: Supported F: Documentation/devicetree/bindings/regulator/mcp16502-regulator.txt F: drivers/regulator/mcp16502.c diff --git a/drivers/regulator/mcp16502.c b/drivers/regulator/mcp16502.c index 74ad92dc664a..88c6bd5b6c78 100644 --- a/drivers/regulator/mcp16502.c +++ b/drivers/regulator/mcp16502.c @@ -550,7 +550,7 @@ static int mcp16502_probe(struct i2c_client *client, config.regmap = rmap; config.driver_data = mcp; - mcp->lpm = devm_gpiod_get(dev, "lpm", GPIOD_OUT_LOW); + mcp->lpm = devm_gpiod_get_optional(dev, "lpm", GPIOD_OUT_LOW); if (IS_ERR(mcp->lpm)) { dev_err(dev, "failed to get lpm pin: %ld\n", PTR_ERR(mcp->lpm)); return PTR_ERR(mcp->lpm); |