From: Bruce Chen <bruce.c...@unisoc.com>
For the new Spreadtrum pin controller, it expands 6bits to describe the
pin sleep mode with adding one CM4_SLEEP mode, which means the pin sleep
related configuration will be loaded automatically by hardware when the
CM4 system goes into deep sleep mode.
Signed-off-by: Bruce Chen <bruce.c...@unisoc.com>
Signed-off-by: Baolin Wang <baolin.w...@linaro.org>
---
drivers/pinctrl/sprd/pinctrl-sprd.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.c
b/drivers/pinctrl/sprd/pinctrl-sprd.c
index 8869843..157712ab 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 {
@@ -616,6 +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;
--
1.7.9.5
