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watchdog: s3c2410_wdt: add support for exynosautov920 SoC

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Adds the compatibles and drvdata for the ExynosAuto V920 SoC. This SoC
is almost similar to ExynosAutoV9, but some CPU configurations are quite
different, so it should be added. Plus it also support DBGACK like as
GS101 SoC.

Signed-off-by: Byoungtae Cho <bt.cho@samsung.com>
Signed-off-by: Taewan Kim <trunixs.kim@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20241021063903.793166-3-trunixs.kim@samsung.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Byoungtae Cho 2024-10-21 15:39:02 +09:00 committed by Wim Van Sebroeck
parent c63e0ee729
commit a5cb13980e
1 changed files with 36 additions and 1 deletions
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37
drivers/watchdog/s3c2410_wdt.c
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@ -63,6 +63,10 @@
#define EXYNOS850_CLUSTER1_NONCPU_INT_EN 0x1644
#define EXYNOSAUTOV9_CLUSTER1_NONCPU_OUT 0x1520
#define EXYNOSAUTOV9_CLUSTER1_NONCPU_INT_EN 0x1544
#define EXYNOSAUTOV920_CLUSTER0_NONCPU_OUT 0x1420
#define EXYNOSAUTOV920_CLUSTER0_NONCPU_INT_EN 0x1444
#define EXYNOSAUTOV920_CLUSTER1_NONCPU_OUT 0x1720
#define EXYNOSAUTOV920_CLUSTER1_NONCPU_INT_EN 0x1744
#define EXYNOS850_CLUSTER0_WDTRESET_BIT 24
#define EXYNOS850_CLUSTER1_WDTRESET_BIT 23
@ -303,6 +307,32 @@ static const struct s3c2410_wdt_variant drv_data_gs101_cl1 = {
QUIRK_HAS_DBGACK_BIT,
};
static const struct s3c2410_wdt_variant drv_data_exynosautov920_cl0 = {
.mask_reset_reg = EXYNOSAUTOV920_CLUSTER0_NONCPU_INT_EN,
.mask_bit = 2,
.mask_reset_inv = true,
.rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
.rst_stat_bit = EXYNOSAUTOV9_CLUSTER0_WDTRESET_BIT,
.cnt_en_reg = EXYNOSAUTOV920_CLUSTER0_NONCPU_OUT,
.cnt_en_bit = 7,
.quirks = QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET |
QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN |
QUIRK_HAS_DBGACK_BIT,
};
static const struct s3c2410_wdt_variant drv_data_exynosautov920_cl1 = {
.mask_reset_reg = EXYNOSAUTOV920_CLUSTER1_NONCPU_INT_EN,
.mask_bit = 2,
.mask_reset_inv = true,
.rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
.rst_stat_bit = EXYNOSAUTOV9_CLUSTER1_WDTRESET_BIT,
.cnt_en_reg = EXYNOSAUTOV920_CLUSTER1_NONCPU_OUT,
.cnt_en_bit = 7,
.quirks = QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET |
QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN |
QUIRK_HAS_DBGACK_BIT,
};
static const struct of_device_id s3c2410_wdt_match[] = {
{ .compatible = "google,gs101-wdt",
.data = &drv_data_gs101_cl0 },
@ -320,6 +350,8 @@ static const struct of_device_id s3c2410_wdt_match[] = {
.data = &drv_data_exynos850_cl0 },
{ .compatible = "samsung,exynosautov9-wdt",
.data = &drv_data_exynosautov9_cl0 },
{ .compatible = "samsung,exynosautov920-wdt",
.data = &drv_data_exynosautov920_cl0 },
{},
};
MODULE_DEVICE_TABLE(of, s3c2410_wdt_match);
@ -643,7 +675,8 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt)
/* Choose Exynos850/ExynosAutov9 driver data w.r.t. cluster index */
if (variant == &drv_data_exynos850_cl0 ||
variant == &drv_data_exynosautov9_cl0 ||
variant == &drv_data_gs101_cl0) {
variant == &drv_data_gs101_cl0 ||
variant == &drv_data_exynosautov920_cl0) {
u32 index;
int err;
@ -662,6 +695,8 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt)
variant = &drv_data_exynosautov9_cl1;
else if (variant == &drv_data_gs101_cl0)
variant = &drv_data_gs101_cl1;
else if (variant == &drv_data_exynosautov920_cl0)
variant = &drv_data_exynosautov920_cl1;
break;
default:
return dev_err_probe(dev, -EINVAL, "wrong cluster index: %u\n", index);