diff options
| author | Chanwoo Choi <cw00.choi@samsung.com> | 2016-03-31 05:47:57 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <k.kozlowski@samsung.com> | 2016-04-01 03:20:44 +0300 |
| commit | 40bbd191fc808dcd0ef154a6c8af8dd66d3c1270 (patch) | |
| tree | de6612f150f6ed5eeeab67102a0ed0c8ae4b625a /arch/arm/boot/dts/exynos3250-pinctrl.dtsi | |
| parent | a8b41ea4babb4bdf8ba3b078e1c6761189d29eb7 (diff) | |
| download | linux-40bbd191fc808dcd0ef154a6c8af8dd66d3c1270.tar.xz | |
ARM: dts: exynos: Add initial pin configuration for exynos3250-rinato
This patch adds initial pin configuration using pinctrl subsystem
to reduce leakage power-consumption of gpio pins in normal state.
All pins included in this patch are NC (not connected) pin.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Diffstat (limited to 'arch/arm/boot/dts/exynos3250-pinctrl.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/exynos3250-pinctrl.dtsi | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi index 5ab81c39e2c9..ecf79386e891 100644 --- a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi @@ -16,11 +16,49 @@ #define PIN_PULL_DOWN 1 #define PIN_PULL_UP 3 +#define PIN_DRV_LV1 0 +#define PIN_DRV_LV2 2 +#define PIN_DRV_LV3 1 +#define PIN_DRV_LV4 3 + #define PIN_PDN_OUT0 0 #define PIN_PDN_OUT1 1 #define PIN_PDN_INPUT 2 #define PIN_PDN_PREV 3 +#define PIN_IN(_pin, _pull, _drv) \ + _pin { \ + samsung,pins = #_pin; \ + samsung,pin-function = <0>; \ + samsung,pin-pud = <PIN_PULL_ ##_pull>; \ + samsung,pin-drv = <PIN_DRV_ ##_drv>; \ + } + +#define PIN_OUT(_pin, _drv) \ + _pin { \ + samsung,pins = #_pin; \ + samsung,pin-function = <1>; \ + samsung,pin-pud = <0>; \ + samsung,pin-drv = <PIN_DRV_ ##_drv>; \ + } + +#define PIN_OUT_SET(_pin, _val, _drv) \ + _pin { \ + samsung,pins = #_pin; \ + samsung,pin-function = <1>; \ + samsung,pin-pud = <0>; \ + samsung,pin-drv = <PIN_DRV_ ##_drv>; \ + samsung,pin-val = <_val>; \ + } + +#define PIN_CFG(_pin, _sel, _pull, _drv) \ + _pin { \ + samsung,pins = #_pin; \ + samsung,pin-function = <_sel>; \ + samsung,pin-pud = <PIN_PULL_ ##_pull>; \ + samsung,pin-drv = <PIN_DRV_ ##_drv>; \ + } + #define PIN_SLP(_pin, _mode, _pull) \ _pin { \ samsung,pins = #_pin; \ |