[PATCH 1/2] pmic: pca9450: Add optional SD_VSEL GPIO for LDO5

[Fabio Estevam]

On 23/06/2022 14:42, Frieder Schrempf wrote:
> From: Frieder Schrempf <frieder.schrempf at kontron.de>
> 
> LDO5 has two separate control registers. LDO5CTRL_L is used if the
> input signal SD_VSEL is low and LDO5CTRL_H if it is high.
> The current driver implementation only uses LDO5CTRL_H. To make this
> work on boards that have SD_VSEL connected to a GPIO, we add support
> for specifying an optional GPIO and setting it to high at probe time.
> 
> In the future we might also want to add support for boards that have
> SD_VSEL set to a fixed low level. In this case we need to change the
> driver to be able to use the LDO5CTRL_L register.
> 
> This is a port of the same change in the Linux kernel:
> 8c67a11bae88 ("regulator: pca9450: Add SD_VSEL GPIO for LDO5")
> 
> Signed-off-by: Frieder Schrempf <frieder.schrempf at kontron.de>

Reviewed-by: Fabio Estevam <festevam at denx.de>