summaryrefslogtreecommitdiff
path: root/drivers/pinctrl/rockchip/pinctrl-rk3288.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pinctrl/rockchip/pinctrl-rk3288.c')
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk3288.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3288.c b/drivers/pinctrl/rockchip/pinctrl-rk3288.c
index 9192aa39496..24af3597ece 100644
--- a/drivers/pinctrl/rockchip/pinctrl-rk3288.c
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3288.c
@@ -116,8 +116,15 @@ static int rk3288_set_pull(struct rockchip_pin_bank *bank,
return ret;
}
- /* enable the write to the equivalent lower bits */
- data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16);
+ /* bank0 is special, there are no higher 16 bit writing bits */
+ if (bank->bank_num == 0) {
+ regmap_read(regmap, reg, &data);
+ data &= ~(((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << bit);
+ } else {
+ /* enable the write to the equivalent lower bits */
+ data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16);
+ }
+
data |= (ret << bit);
ret = regmap_write(regmap, reg, data);