diff options
| author | Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com> | 2025-10-10 16:03:15 +0800 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2025-11-15 15:19:53 +0100 |
| commit | 13e86646710dd5e1ec68798ab44773e314612d83 (patch) | |
| tree | 65a205b58a63c8e51790af2cd6423a8b2470b315 | |
| parent | 0eb54296dc784de757724055983d32b03c9e2df1 (diff) | |
watchdog: aspeed: Add support for AST2700 platform
Add AST2700 platform support to the ASPEED watchdog driver. This includes
a new per-platform configuration with SCU reset status register at
SCU1_070 and support for 5 reset mask registers.
Signed-off-by: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
| -rw-r--r-- | drivers/watchdog/aspeed_wdt.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c index d23e565f30a8..c9e79851504c 100644 --- a/drivers/watchdog/aspeed_wdt.c +++ b/drivers/watchdog/aspeed_wdt.c @@ -83,10 +83,24 @@ static const struct aspeed_wdt_config ast2600_config = { .num_reset_masks = 2, }; +static const struct aspeed_wdt_config ast2700_config = { + .ext_pulse_width_mask = 0xfffff, + .irq_shift = 0, + .irq_mask = GENMASK(31, 10), + .scu = { + .compatible = "aspeed,ast2700-scu0", + .reset_status_reg = 0x70, + .wdt_reset_mask = 0xf, + .wdt_reset_mask_shift = 0, + }, + .num_reset_masks = 5, +}; + static const struct of_device_id aspeed_wdt_of_table[] = { { .compatible = "aspeed,ast2400-wdt", .data = &ast2400_config }, { .compatible = "aspeed,ast2500-wdt", .data = &ast2500_config }, { .compatible = "aspeed,ast2600-wdt", .data = &ast2600_config }, + { .compatible = "aspeed,ast2700-wdt", .data = &ast2700_config }, { }, }; MODULE_DEVICE_TABLE(of, aspeed_wdt_of_table); @@ -483,7 +497,7 @@ static int aspeed_wdt_probe(struct platform_device *pdev) } if (!of_device_is_compatible(np, "aspeed,ast2400-wdt")) { - u32 reset_mask[2]; + u32 reset_mask[5]; size_t nrstmask = wdt->cfg->num_reset_masks; u32 reg = readl(wdt->base + WDT_RESET_WIDTH); int i; |