[PATCH] watchdog: s3c2410_wdt: Fix PMU register bits for ExynosAutoV920 SoC

From: Sangwook Shin
Date: Wed Feb 12 2025 - 19:44:24 EST


From: Kyunghwan Seo <khwan.seo@xxxxxxxxxxx>

Fix the PMU register bits for the ExynosAutoV920 SoC.
This SoC has different bit information compared to its previous
version, ExynosAutoV9, and we have made the necessary adjustments.

rst_stat_bit:
- ExynosAutoV920 cl0 : 0
- ExynosAutoV920 cl1 : 1

cnt_en_bit:
- ExynosAutoV920 cl0 : 8
- ExynosAutoV920 cl1 : 8

Signed-off-by: Kyunghwan Seo <khwan.seo@xxxxxxxxxxx>
Signed-off-by: Sangwook Shin <sw617.shin@xxxxxxxxxxx>
---
drivers/watchdog/s3c2410_wdt.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 30450e99e5e9..bdd81d8074b2 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -72,6 +72,8 @@
#define EXYNOS850_CLUSTER1_WDTRESET_BIT 23
#define EXYNOSAUTOV9_CLUSTER0_WDTRESET_BIT 25
#define EXYNOSAUTOV9_CLUSTER1_WDTRESET_BIT 24
+#define EXYNOSAUTOV920_CLUSTER0_WDTRESET_BIT 0
+#define EXYNOSAUTOV920_CLUSTER1_WDTRESET_BIT 1

#define GS_CLUSTER0_NONCPU_OUT 0x1220
#define GS_CLUSTER1_NONCPU_OUT 0x1420
@@ -312,9 +314,9 @@ static const struct s3c2410_wdt_variant drv_data_exynosautov920_cl0 = {
.mask_bit = 2,
.mask_reset_inv = true,
.rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
- .rst_stat_bit = EXYNOSAUTOV9_CLUSTER0_WDTRESET_BIT,
+ .rst_stat_bit = EXYNOSAUTOV920_CLUSTER0_WDTRESET_BIT,
.cnt_en_reg = EXYNOSAUTOV920_CLUSTER0_NONCPU_OUT,
- .cnt_en_bit = 7,
+ .cnt_en_bit = 8,
.quirks = QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET |
QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN |
QUIRK_HAS_DBGACK_BIT,
@@ -325,9 +327,9 @@ static const struct s3c2410_wdt_variant drv_data_exynosautov920_cl1 = {
.mask_bit = 2,
.mask_reset_inv = true,
.rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
- .rst_stat_bit = EXYNOSAUTOV9_CLUSTER1_WDTRESET_BIT,
+ .rst_stat_bit = EXYNOSAUTOV920_CLUSTER1_WDTRESET_BIT,
.cnt_en_reg = EXYNOSAUTOV920_CLUSTER1_NONCPU_OUT,
- .cnt_en_bit = 7,
+ .cnt_en_bit = 8,
.quirks = QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET |
QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN |
QUIRK_HAS_DBGACK_BIT,
--
2.40.1