On Wed, Mar 10, 2021 at 2:55 PM Álvaro Fernández Rojas
<noltari@xxxxxxxxx> wrote:
>
> This is needed for properly registering GPIO regmap as a child of a regmap
> pin controller.
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Thanks!
> Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
> Reviewed-by: Michael Walle <michael@xxxxxxxx>
> ---
> v6: add comment and simplify of_node assignment
> v5: switch to fwnode
> v4: fix documentation
> v3: introduce patch needed for properly parsing gpio-range
>
> drivers/gpio/gpio-regmap.c | 1 +
> include/linux/gpio/regmap.h | 4 ++++
> 2 files changed, 5 insertions(+)
>
> diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c
> index 5412cb3b0b2a..d4fc656e70b0 100644
> --- a/drivers/gpio/gpio-regmap.c
> +++ b/drivers/gpio/gpio-regmap.c
> @@ -249,6 +249,7 @@ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config
>
> chip = &gpio->gpio_chip;
> chip->parent = config->parent;
> + chip->of_node = to_of_node(config->fwnode);
> chip->base = -1;
> chip->ngpio = config->ngpio;
> chip->names = config->names;
> diff --git a/include/linux/gpio/regmap.h b/include/linux/gpio/regmap.h
> index ad76f3d0a6ba..334dd928042b 100644
> --- a/include/linux/gpio/regmap.h
> +++ b/include/linux/gpio/regmap.h
> @@ -4,6 +4,7 @@
> #define _LINUX_GPIO_REGMAP_H
>
> struct device;
> +struct fwnode_handle;
> struct gpio_regmap;
> struct irq_domain;
> struct regmap;
> @@ -16,6 +17,8 @@ struct regmap;
> * @parent: The parent device
> * @regmap: The regmap used to access the registers
> * given, the name of the device is used
> + * @fwnode: (Optional) The firmware node.
> + * If not given, the fwnode of the parent is used.
> * @label: (Optional) Descriptive name for GPIO controller.
> * If not given, the name of the device is used.
> * @ngpio: Number of GPIOs
> @@ -57,6 +60,7 @@ struct regmap;
> struct gpio_regmap_config {
> struct device *parent;
> struct regmap *regmap;
> + struct fwnode_handle *fwnode;
>
> const char *label;
> int ngpio;
> --
> 2.20.1
>
--
With Best Regards,
Andy Shevchenko
