Re: [PATCH 1/3] pinctrl: samsung: support ExynosAutov9 SoC pinctrl

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On 07/10/2021 14:08, Chanho Park wrote:
> Add pinctrl data for ExynosAuto v9 SoC.
> 
> - GPA0, GPA1: 10, External wake up interrupt
> - GPQ0: 2, XbootLDO, Speedy PMIC I/F
> - GPB0, GPB1, GPB2, GPB3: 29, I2S 7 CH
> - GPF0, GPF1, GPF2, GPF3,GPF4, GPF5, GPF6, GPF8: 52, FSYS
> - GPG0, GPG1, GPG2, GPG3: 25, GPIO x 24, SMPL_INT
> - GPP0, GPP1, GPP2, GPP3, GPP4, GPP5: 48, USI 12 CH
> 
> Signed-off-by: Chanho Park <chanho61.park@xxxxxxxxxxx>

Thanks Chanho for the patches. It's awesome to see this work upstreamed!

Few comments below.

> ---
>  .../bindings/pinctrl/samsung-pinctrl.txt      |   1 +
>  .../pinctrl/samsung/pinctrl-exynos-arm64.c    | 108 ++++++++++++++++++
>  drivers/pinctrl/samsung/pinctrl-samsung.c     |   2 +
>  drivers/pinctrl/samsung/pinctrl-samsung.h     |   1 +
>  4 files changed, 112 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
> index e7a1b1880375..b8b475967ff9 100644
> --- a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
> @@ -23,6 +23,7 @@ Required Properties:
>    - "samsung,exynos5433-pinctrl": for Exynos5433 compatible pin-controller.
>    - "samsung,exynos7-pinctrl": for Exynos7 compatible pin-controller.
>    - "samsung,exynos850-pinctrl": for Exynos850 compatible pin-controller.
> +  - "samsung,exynosautov9-pinctrl": for ExynosAutov9 compatible pin-controller.
>  
>  - reg: Base address of the pin controller hardware module and length of
>    the address space it occupies.
> diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
> index fe5f6046fbd5..3bf18e844402 100644
> --- a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
> +++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
> @@ -538,3 +538,111 @@ const struct samsung_pinctrl_of_match_data exynos850_of_data __initconst = {
>  	.ctrl		= exynos850_pin_ctrl,
>  	.num_ctrl	= ARRAY_SIZE(exynos850_pin_ctrl),
>  };
> +
> +/* pin banks of exynosautov9 pin-controller 0 (ALIVE) */
> +static struct samsung_pin_bank_data exynosautov9_pin_banks0[] = {

This and below should be static const and __initconst.

> +	EXYNOS850_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00),
> +	EXYNOS850_PIN_BANK_EINTW(2, 0x020, "gpa1", 0x04),
> +	EXYNOS850_PIN_BANK_EINTN(2, 0x040, "gpq0"),
> +};
> +
> +/* pin banks of exynosautov9 pin-controller 1 (AUD) */
> +static struct samsung_pin_bank_data exynosautov9_pin_banks1[] = {
> +	EXYNOS850_PIN_BANK_EINTG(5, 0x000, "gpb0", 0x00),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x020, "gpb1", 0x04),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x040, "gpb2", 0x08),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x060, "gpb3", 0x0C),
> +};
> +
> +/* pin banks of exynosautov9 pin-controller 2 (FSYS0) */
> +static struct samsung_pin_bank_data exynosautov9_pin_banks2[] = {
> +	EXYNOS850_PIN_BANK_EINTG(6, 0x000, "gpf0", 0x00),
> +	EXYNOS850_PIN_BANK_EINTG(6, 0x020, "gpf1", 0x04),
> +};
> +
> +/* pin banks of exynosautov9 pin-controller 3 (FSYS1) */
> +static struct samsung_pin_bank_data exynosautov9_pin_banks3[] = {
> +	EXYNOS850_PIN_BANK_EINTG(6, 0x000, "gpf8", 0x00),
> +};
> +
> +/* pin banks of exynosautov9 pin-controller 4 (FSYS2) */
> +static struct samsung_pin_bank_data exynosautov9_pin_banks4[] = {
> +	EXYNOS850_PIN_BANK_EINTG(4, 0x000, "gpf2", 0x00),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x020, "gpf3", 0x04),
> +	EXYNOS850_PIN_BANK_EINTG(7, 0x040, "gpf4", 0x08),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x060, "gpf5", 0x0C),
> +	EXYNOS850_PIN_BANK_EINTG(7, 0x080, "gpf6", 0x10),
> +};
> +
> +/* pin banks of exynosautov9 pin-controller 5 (PERIC0) */
> +static struct samsung_pin_bank_data exynosautov9_pin_banks5[] = {
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x000, "gpp0", 0x00),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x020, "gpp1", 0x04),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x040, "gpp2", 0x08),
> +	EXYNOS850_PIN_BANK_EINTG(5, 0x060, "gpg0", 0x0C),
> +};
> +
> +/* pin banks of exynosautov9 pin-controller 6 (PERIC1) */
> +static struct samsung_pin_bank_data exynosautov9_pin_banks6[] = {
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x000, "gpp3", 0x00),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x020, "gpp4", 0x04),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x040, "gpp5", 0x08),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x060, "gpg1", 0x0C),
> +	EXYNOS850_PIN_BANK_EINTG(8, 0x080, "gpg2", 0x10),
> +	EXYNOS850_PIN_BANK_EINTG(4, 0x0A0, "gpg3", 0x14),
> +};
> +
> +const struct samsung_pin_ctrl exynosautov9_pin_ctrl[] = {

__initconst at the end, please.

> +	{
> +		/* pin-controller instance 0 ALIVE data */
> +		.pin_banks      = exynosautov9_pin_banks0,
> +		.nr_banks       = ARRAY_SIZE(exynosautov9_pin_banks0),
> +		.eint_wkup_init = exynos_eint_wkup_init,
> +		.suspend        = exynos_pinctrl_suspend,
> +		.resume         = exynos_pinctrl_resume,
> +	}, {

Best regards,
Krzysztof



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