pinctrl: samsung: Allow pin value to be initialized using pinfunc

This patch extends the range of settings configurable via pinfunc API
to cover pin value as well. This allows configuration of default values
of pins, which is useful for pins that are not supposed to be used by
any dedicated driver, but need certain board-specific setting.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
index 464b2bb..e82aaf4 100644 (file)
--- a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
@@ -75,6 +75,7 @@ Required Properties:
   "samsung,pins" property of the child node. The following pin configuration
   properties are supported.
 
+  - samsung,pin-val: Initial value of pin output buffer.
   - samsung,pin-pud: Pull up/down configuration.
   - samsung,pin-drv: Drive strength configuration.
   - samsung,pin-pud-pdn: Pull up/down configuration in power down mode.

diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c
index b7de66c..52f849a 100644 (file)
--- a/drivers/pinctrl/pinctrl-samsung.c
+++ b/drivers/pinctrl/pinctrl-samsung.c
@@ -47,6 +47,7 @@ static struct pin_config {
        { "samsung,pin-drv", PINCFG_TYPE_DRV },
        { "samsung,pin-con-pdn", PINCFG_TYPE_CON_PDN },
        { "samsung,pin-pud-pdn", PINCFG_TYPE_PUD_PDN },
+       { "samsung,pin-val", PINCFG_TYPE_DAT },
 };
 
 /* Global list of devices (struct samsung_pinctrl_drv_data) */