diff mbox series

[03/13] pmdomain: mediatek: Support power on bypass

Message ID 20250307034454.12243-4-guangjie.song@mediatek.com (mailing list archive)
State New
Headers show
Series pmdomain: mediatek: Add MT8196 power domain | expand

Commit Message

Guangjie Song March 7, 2025, 3:44 a.m. UTC 
Support power on bypass in pmdomain driver probe.

Signed-off-by: Guangjie Song <guangjie.song@mediatek.com>
---
 drivers/pmdomain/mediatek/mtk-scpsys.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/pmdomain/mediatek/mtk-scpsys.c b/drivers/pmdomain/mediatek/mtk-scpsys.c
index 9d03249284d6..3c8b5d8e7ee9 100644
--- a/drivers/pmdomain/mediatek/mtk-scpsys.c
+++ b/drivers/pmdomain/mediatek/mtk-scpsys.c
@@ -27,6 +27,7 @@ 
 #define MTK_SCPD_FWAIT_SRAM		BIT(1)
 #define MTK_SCPD_SRAM_ISO		BIT(2)
 #define MTK_SCPD_SRAM_SLP		BIT(3)
+#define MTK_SCPD_BYPASS_INIT_ON		BIT(4)
 #define MTK_SCPD_CAPS(_scpd, _x)	((_scpd)->data->caps & (_x))
 
 #define SPM_VDE_PWR_CON			0x0210
@@ -569,7 +570,10 @@  static void mtk_register_power_domains(struct platform_device *pdev,
 		 * software.  The unused domains will be switched off during
 		 * late_init time.
 		 */
-		on = !WARN_ON(genpd->power_on(genpd) < 0);
+		if (MTK_SCPD_CAPS(scpd, MTK_SCPD_BYPASS_INIT_ON))
+			on = false;
+		else
+			on = !WARN_ON(genpd->power_on(genpd) < 0);
 
 		pm_genpd_init(genpd, NULL, !on);
 	}