iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

power: reset: at91-reset: add support for sam9x60 SoC

Browse Source 
Add support for additional reset causes and the proper compatibility
string for sam9x60 SoC. The restart function is the same as the samx7.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Nicolas Ferre 2019-02-06 19:12:21 +01:00 committed by Sebastian Reichel
parent e03423c453
commit 655ab0bc46
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/power/reset/at91-reset.c
View File

@ -44,6 +44,9 @@ enum reset_type {
RESET_TYPE_WATCHDOG = 2, RESET_TYPE_WATCHDOG = 2,
RESET_TYPE_SOFTWARE = 3, RESET_TYPE_SOFTWARE = 3,
RESET_TYPE_USER = 4, RESET_TYPE_USER = 4,
RESET_TYPE_CPU_FAIL = 6,
RESET_TYPE_XTAL_FAIL = 7,
RESET_TYPE_ULP2 = 8,
}; };
static void __iomem *at91_ramc_base[2], *at91_rstc_base; static void __iomem *at91_ramc_base[2], *at91_rstc_base;
@ -164,6 +167,15 @@ static void __init at91_reset_status(struct platform_device *pdev)
case RESET_TYPE_USER: case RESET_TYPE_USER:
reason = "user reset"; reason = "user reset";
break; break;
case RESET_TYPE_CPU_FAIL:
reason = "CPU clock failure detection";
break;
case RESET_TYPE_XTAL_FAIL:
reason = "32.768 kHz crystal failure detection";
break;
case RESET_TYPE_ULP2:
reason = "ULP2 reset";
break;
default: default:
reason = "unknown reset"; reason = "unknown reset";
break; break;
@ -183,6 +195,7 @@ static const struct of_device_id at91_reset_of_match[] = {
{ .compatible = "atmel,at91sam9g45-rstc", .data = at91sam9g45_restart }, { .compatible = "atmel,at91sam9g45-rstc", .data = at91sam9g45_restart },
{ .compatible = "atmel,sama5d3-rstc", .data = sama5d3_restart }, { .compatible = "atmel,sama5d3-rstc", .data = sama5d3_restart },
{ .compatible = "atmel,samx7-rstc", .data = samx7_restart }, { .compatible = "atmel,samx7-rstc", .data = samx7_restart },
{ .compatible = "microchip,sam9x60-rstc", .data = samx7_restart },
{ /* sentinel */ } { /* sentinel */ }
}; };
MODULE_DEVICE_TABLE(of, at91_reset_of_match); MODULE_DEVICE_TABLE(of, at91_reset_of_match);