diff options
| author | Sukrut Bellary <sbellary@baylibre.com> | 2025-03-19 02:00:40 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-05-19 17:11:05 +0300 |
| commit | 36795548dcc841c73f03793ed6cf741a88130922 (patch) | |
| tree | edc64c73fa87dc9327eb5191cde8faa397d58f1a | |
| parent | 36114344675ddddb158dd6628359f83b44bfc1ac (diff) | |
| download | linux-36795548dcc841c73f03793ed6cf741a88130922.tar.xz | |
pmdomain: ti: Fix STANDBY handling of PER power domain
Per AM335x TRM[1](section 8.1.4.3 Power mode), in case of STANDBY,
PER domain should be ON. So, fix the PER power domain handling on standby.
[1] https://www.ti.com/lit/ug/spruh73q/spruh73q.pdf
Signed-off-by: Sukrut Bellary <sbellary@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20250318230042.3138542-3-sbellary@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/pmdomain/ti/omap_prm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/pmdomain/ti/omap_prm.c b/drivers/pmdomain/ti/omap_prm.c index 79d165331d8c..5142f064bf5c 100644 --- a/drivers/pmdomain/ti/omap_prm.c +++ b/drivers/pmdomain/ti/omap_prm.c @@ -18,7 +18,9 @@ #include <linux/pm_domain.h> #include <linux/reset-controller.h> #include <linux/delay.h> - +#if IS_ENABLED(CONFIG_SUSPEND) +#include <linux/suspend.h> +#endif #include <linux/platform_data/ti-prm.h> enum omap_prm_domain_mode { @@ -88,6 +90,7 @@ struct omap_reset_data { #define OMAP_PRM_HAS_RSTST BIT(1) #define OMAP_PRM_HAS_NO_CLKDM BIT(2) #define OMAP_PRM_RET_WHEN_IDLE BIT(3) +#define OMAP_PRM_ON_WHEN_STANDBY BIT(4) #define OMAP_PRM_HAS_RESETS (OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_RSTST) @@ -404,7 +407,8 @@ static const struct omap_prm_data am3_prm_data[] = { .name = "per", .base = 0x44e00c00, .pwrstctrl = 0xc, .pwrstst = 0x8, .dmap = &omap_prm_noinact, .rstctrl = 0x0, .rstmap = am3_per_rst_map, - .flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp" + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_ON_WHEN_STANDBY, + .clkdm_name = "pruss_ocp", }, { .name = "wkup", .base = 0x44e00d00, |