From b831a15e2b9690b4d7a4dbe028dc2970485d0a2c Mon Sep 17 00:00:00 2001 From: Andy Gross Date: Tue, 17 Jun 2014 23:49:11 -0500 Subject: pinctrl: qcom: Add BUS_HOLD pin bias This patch adds the BUS_HOLD (Keeper) bias option for pins. Signed-off-by: Andy Gross Acked-by: Bjorn Andersson Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-msm.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers') diff --git a/drivers/pinctrl/pinctrl-msm.c b/drivers/pinctrl/pinctrl-msm.c index bdfaba4..43d47b7 100644 --- a/drivers/pinctrl/pinctrl-msm.c +++ b/drivers/pinctrl/pinctrl-msm.c @@ -181,6 +181,7 @@ static int msm_config_reg(struct msm_pinctrl *pctrl, switch (param) { case PIN_CONFIG_BIAS_DISABLE: case PIN_CONFIG_BIAS_PULL_DOWN: + case PIN_CONFIG_BIAS_BUS_HOLD: case PIN_CONFIG_BIAS_PULL_UP: *bit = g->pull_bit; *mask = 3; @@ -218,6 +219,7 @@ static int msm_config_set(struct pinctrl_dev *pctldev, unsigned int pin, #define MSM_NO_PULL 0 #define MSM_PULL_DOWN 1 +#define MSM_KEEPER 2 #define MSM_PULL_UP 3 static unsigned msm_regval_to_drive(u32 val) @@ -255,6 +257,9 @@ static int msm_config_group_get(struct pinctrl_dev *pctldev, case PIN_CONFIG_BIAS_PULL_DOWN: arg = arg == MSM_PULL_DOWN; break; + case PIN_CONFIG_BIAS_BUS_HOLD: + arg = arg == MSM_KEEPER; + break; case PIN_CONFIG_BIAS_PULL_UP: arg = arg == MSM_PULL_UP; break; @@ -314,6 +319,9 @@ static int msm_config_group_set(struct pinctrl_dev *pctldev, case PIN_CONFIG_BIAS_PULL_DOWN: arg = MSM_PULL_DOWN; break; + case PIN_CONFIG_BIAS_BUS_HOLD: + arg = MSM_KEEPER; + break; case PIN_CONFIG_BIAS_PULL_UP: arg = MSM_PULL_UP; break; -- cgit v1.1