openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Chanwoo Choi 2016-03-31 11:47:57 +09:00 committed by Krzysztof Kozlowski
parent a8b41ea4ba
commit 40bbd191fc
2 changed files with 107 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
arch/arm/boot/dts/exynos3250-pinctrl.dtsi
View File

@ -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; \

71
arch/arm/boot/dts/exynos3250-rinato.dts
View File

@ -681,7 +681,21 @@ &xusbxti {
&pinctrl_0 {
pinctrl-names = "default";
pinctrl-0 = <&sleep0>;
pinctrl-0 = <&initial0 &sleep0>;
initial0: initial-state {
PIN_IN(gpa1-4, DOWN, LV1);
PIN_IN(gpa1-5, DOWN, LV1);
PIN_IN(gpc0-0, DOWN, LV1);
PIN_IN(gpc0-1, DOWN, LV1);
PIN_IN(gpc0-2, DOWN, LV1);
PIN_IN(gpc0-3, DOWN, LV1);
PIN_IN(gpc0-4, DOWN, LV1);
PIN_IN(gpd0-0, DOWN, LV1);
PIN_IN(gpd0-1, DOWN, LV1);
};
sleep0: sleep-state {
PIN_SLP(gpa0-0, INPUT, DOWN);
@ -735,7 +749,60 @@ sleep0: sleep-state {
&pinctrl_1 {
pinctrl-names = "default";
pinctrl-0 = <&sleep1>;
pinctrl-0 = <&initial1 &sleep1>;
initial1: initial-state {
PIN_IN(gpe0-6, DOWN, LV1);
PIN_IN(gpe0-7, DOWN, LV1);
PIN_IN(gpe1-0, DOWN, LV1);
PIN_IN(gpe1-3, DOWN, LV1);
PIN_IN(gpe1-4, DOWN, LV1);
PIN_IN(gpe1-5, DOWN, LV1);
PIN_IN(gpe1-6, DOWN, LV1);
PIN_IN(gpk2-0, DOWN, LV1);
PIN_IN(gpk2-1, DOWN, LV1);
PIN_IN(gpk2-2, DOWN, LV1);
PIN_IN(gpk2-3, DOWN, LV1);
PIN_IN(gpk2-4, DOWN, LV1);
PIN_IN(gpk2-5, DOWN, LV1);
PIN_IN(gpk2-6, DOWN, LV1);
PIN_IN(gpm0-0, DOWN, LV1);
PIN_IN(gpm0-1, DOWN, LV1);
PIN_IN(gpm0-2, DOWN, LV1);
PIN_IN(gpm0-3, DOWN, LV1);
PIN_IN(gpm0-4, DOWN, LV1);
PIN_IN(gpm0-5, DOWN, LV1);
PIN_IN(gpm0-6, DOWN, LV1);
PIN_IN(gpm0-7, DOWN, LV1);
PIN_IN(gpm1-0, DOWN, LV1);
PIN_IN(gpm1-1, DOWN, LV1);
PIN_IN(gpm1-2, DOWN, LV1);
PIN_IN(gpm1-3, DOWN, LV1);
PIN_IN(gpm1-4, DOWN, LV1);
PIN_IN(gpm1-5, DOWN, LV1);
PIN_IN(gpm1-6, DOWN, LV1);
PIN_IN(gpm2-0, DOWN, LV1);
PIN_IN(gpm2-1, DOWN, LV1);
PIN_IN(gpm3-0, DOWN, LV1);
PIN_IN(gpm3-1, DOWN, LV1);
PIN_IN(gpm3-2, DOWN, LV1);
PIN_IN(gpm3-3, DOWN, LV1);
PIN_IN(gpm3-4, DOWN, LV1);
PIN_IN(gpm4-1, DOWN, LV1);
PIN_IN(gpm4-2, DOWN, LV1);
PIN_IN(gpm4-3, DOWN, LV1);
PIN_IN(gpm4-4, DOWN, LV1);
PIN_IN(gpm4-5, DOWN, LV1);
PIN_IN(gpm4-6, DOWN, LV1);
PIN_IN(gpm4-7, DOWN, LV1);
};
sleep1: sleep-state {
PIN_SLP(gpe0-0, PREV, NONE);