From b1325bfad3ad0e543ce90a6b08d74500dc96f4b9 Mon Sep 17 00:00:00 2001 From: Andy Gross Date: Mon, 16 Jun 2014 16:52:55 -0500 Subject: [PATCH 149/182] pinctrl: qcom: Add BUS_HOLD/Keeper bias This patch adds the bus_hold bias option for pins. Signed-off-by: Andy Gross --- drivers/pinctrl/pinctrl-msm.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/pinctrl/pinctrl-msm.c b/drivers/pinctrl/pinctrl-msm.c index 7d67d34..f054b25 100644 --- a/drivers/pinctrl/pinctrl-msm.c +++ b/drivers/pinctrl/pinctrl-msm.c @@ -207,6 +207,7 @@ static int msm_config_reg(struct msm_pinctrl *pctrl, case PIN_CONFIG_BIAS_DISABLE: case PIN_CONFIG_BIAS_PULL_DOWN: case PIN_CONFIG_BIAS_PULL_UP: + case PIN_CONFIG_BIAS_BUS_HOLD: *bit = g->pull_bit; *mask = 3; break; @@ -243,6 +244,7 @@ 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) @@ -280,6 +282,9 @@ 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; @@ -339,6 +344,9 @@ 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; -- 1.7.10.4