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Commit b831a15e authored by Andy Gross's avatar Andy Gross Committed by Linus Walleij
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pinctrl: qcom: Add BUS_HOLD pin bias 



This patch adds the BUS_HOLD (Keeper) bias option for pins.

Signed-off-by: default avatarAndy Gross <agross@codeaurora.org>
Acked-by: default avatarBjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent d22bf40f

drivers/pinctrl/pinctrl-msm.c

+8 −0
Original line number Diff line number Diff line
@@ -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;