From: agross@codeaurora.org (Andy Gross) Date: Tue, 17 Jun 2014 23:49:11 -0500 Subject: [PATCH] pinctrl: qcom: Add BUS_HOLD pin bias Message-ID: <1403066951-31266-1-git-send-email-agross@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds the BUS_HOLD (Keeper) 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 e43fbce..9aa2839 100644 --- a/drivers/pinctrl/pinctrl-msm.c +++ b/drivers/pinctrl/pinctrl-msm.c @@ -206,6 +206,7 @@ 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; @@ -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; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation