summaryrefslogtreecommitdiff
path: root/drivers/pinctrl/sprd/pinctrl-sprd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pinctrl/sprd/pinctrl-sprd.c')
-rw-r--r--drivers/pinctrl/sprd/pinctrl-sprd.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.c b/drivers/pinctrl/sprd/pinctrl-sprd.c
index 7b95bf5a82a9..157712ab05a8 100644
--- a/drivers/pinctrl/sprd/pinctrl-sprd.c
+++ b/drivers/pinctrl/sprd/pinctrl-sprd.c
@@ -41,7 +41,8 @@
#define PUBCP_SLEEP_MODE BIT(14)
#define TGLDSP_SLEEP_MODE BIT(15)
#define AGDSP_SLEEP_MODE BIT(16)
-#define SLEEP_MODE_MASK GENMASK(3, 0)
+#define CM4_SLEEP_MODE BIT(17)
+#define SLEEP_MODE_MASK GENMASK(5, 0)
#define SLEEP_MODE_SHIFT 13
#define SLEEP_INPUT BIT(1)
@@ -81,6 +82,7 @@ enum pin_sleep_mode {
PUBCP_SLEEP = BIT(1),
TGLDSP_SLEEP = BIT(2),
AGDSP_SLEEP = BIT(3),
+ CM4_SLEEP = BIT(4),
};
enum pin_func_sel {
@@ -484,6 +486,13 @@ static int sprd_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin_id,
SLEEP_PULL_UP_MASK) << 16;
arg |= (reg >> PULL_UP_SHIFT) & PULL_UP_MASK;
break;
+ case PIN_CONFIG_BIAS_DISABLE:
+ if ((reg & (SLEEP_PULL_DOWN | SLEEP_PULL_UP)) ||
+ (reg & (PULL_DOWN | PULL_UP_4_7K | PULL_UP_20K)))
+ return -EINVAL;
+
+ arg = 1;
+ break;
case PIN_CONFIG_SLEEP_HARDWARE_STATE:
arg = 0;
break;
@@ -609,6 +618,8 @@ static int sprd_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin_id,
val |= TGLDSP_SLEEP_MODE;
if (arg & AGDSP_SLEEP)
val |= AGDSP_SLEEP_MODE;
+ if (arg & CM4_SLEEP)
+ val |= CM4_SLEEP_MODE;
mask = SLEEP_MODE_MASK;
shift = SLEEP_MODE_SHIFT;
@@ -674,6 +685,16 @@ static int sprd_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin_id,
shift = PULL_UP_SHIFT;
}
break;
+ case PIN_CONFIG_BIAS_DISABLE:
+ if (is_sleep_config == true) {
+ val = shift = 0;
+ mask = SLEEP_PULL_DOWN | SLEEP_PULL_UP;
+ } else {
+ val = shift = 0;
+ mask = PULL_DOWN | PULL_UP_20K |
+ PULL_UP_4_7K;
+ }
+ break;
case PIN_CONFIG_SLEEP_HARDWARE_STATE:
continue;
default: