pinctrl: qcom: Add BUS_HOLD pin bias
This patch adds the BUS_HOLD (Keeper) bias option for pins.
Signed-off-by: Andy Gross <agross@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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 @@
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 @@
#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 @@
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 @@
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;