From: Chin-Ting Kuo Date: Fri, 10 Oct 2025 08:03:15 +0000 (+0800) Subject: watchdog: aspeed: Add support for AST2700 platform X-Git-Tag: v6.19-rc1~80^2~21 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13e86646710dd5e1ec68798ab44773e314612d83;p=thirdparty%2Fkernel%2Flinux.git 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 Reviewed-by: Guenter Roeck Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c index d23e565f30a80..c9e79851504c8 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;