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authorTomasz Figa <t.figa@samsung.com>2014-07-02 17:41:04 +0200
committerLinus Walleij <linus.walleij@linaro.org>2014-07-11 14:08:38 +0200
commit2700bc013572e3c07e3a28e3715f277fd94b678a (patch)
treea71a38f58347fde013e9967df11a167dd7382205
parent9a2c1c3b91aae73ef7aa97cce1f88002d0a7cfe8 (diff)
downloadlinux-0-day-2700bc013572e3c07e3a28e3715f277fd94b678a.tar.gz
linux-0-day-2700bc013572e3c07e3a28e3715f277fd94b678a.tar.xz
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>
-rw-r--r--Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt1
-rw-r--r--drivers/pinctrl/pinctrl-samsung.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
index 464b2bbc6284e..e82aaf4925176 100644
--- 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 b7de66c3b51dd..52f849ac06c1d 100644
--- 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) */