Commit 36795548 authored by Sukrut Bellary's avatar Sukrut Bellary Committed by Ulf Hansson
Browse files

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: default avatarSukrut Bellary <sbellary@baylibre.com>
Reviewed-by: default avatarKevin Hilman <khilman@baylibre.com>
Tested-by: default avatarJudith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20250318230042.3138542-3-sbellary@baylibre.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 36114344

drivers/pmdomain/ti/omap_prm.c

+6 −2
Original line number Diff line number Diff line
@@ -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,