Hi Andi,
On 2016년 12월 30일 13:14, Andi Shyti wrote:
> Commit 5db7e3bb87df ("pinctrl: dt-bindings: samsung: Add header with
> values used for configuration") has added a header file for defining the
> pinctrl values in order to avoid hardcoded settings in the Exynos
> DTS related files.
>
> Extend samsung.h to the Exynos5433 for drive strength values
> which are strictly related to the particular SoC and may defer
> from others.
>
> Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxx>
> ---
> include/dt-bindings/pinctrl/samsung.h | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/include/dt-bindings/pinctrl/samsung.h b/include/dt-bindings/pinctrl/samsung.h
> index 6276eb785e2b..e0ebb20ffdd3 100644
> --- a/include/dt-bindings/pinctrl/samsung.h
> +++ b/include/dt-bindings/pinctrl/samsung.h
> @@ -45,6 +45,20 @@
> #define EXYNOS5420_PIN_DRV_LV3 2
> #define EXYNOS5420_PIN_DRV_LV4 3
>
> +/* Drive strengths for Exynos5433 */
> +#define EXYNOS5433_PIN_DRV_FAST_SR1 0
> +#define EXYNOS5433_PIN_DRV_FAST_SR2 1
> +#define EXYNOS5433_PIN_DRV_FAST_SR3 2
> +#define EXYNOS5433_PIN_DRV_FAST_SR4 3
> +#define EXYNOS5433_PIN_DRV_FAST_SR5 4
> +#define EXYNOS5433_PIN_DRV_FAST_SR6 5
> +#define EXYNOS5433_PIN_DRV_SLOW_SR1 8
> +#define EXYNOS5433_PIN_DRV_SLOW_SR2 9
> +#define EXYNOS5433_PIN_DRV_SLOW_SR3 0xa
> +#define EXYNOS5433_PIN_DRV_SLOW_SR4 0xb
> +#define EXYNOS5433_PIN_DRV_SLOW_SR5 0xc
> +#define EXYNOS5433_PIN_DRV_SLOW_SR6 0xf
> +
> #define EXYNOS_PIN_FUNC_INPUT 0
> #define EXYNOS_PIN_FUNC_OUTPUT 1
> #define EXYNOS_PIN_FUNC_2 2
>
Looks good to me. ('SR' means "Slew Rate".)
Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
--
Regards,
Chanwoo Choi
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