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[v13,05/18] drm: exynos: dsi: Mark PHY as optional

Message ID 20230227113925.875425-6-jagan@amarulasolutions.com
State Superseded
Headers show
Series drm: Add Samsung MIPI DSIM bridge | expand

Commit Message

Jagan Teki Feb. 27, 2023, 11:39 a.m. UTC
The same Samsung MIPI DSIM master can also be used in NXP's
i.MX8M Mini/Nano/Plus SoC.

In i.MX8M Mini/Nano/Plus SoC the DSI Phy requires a MIPI DPHY
bit to reset in order to activate the PHY and that can be done
via upstream i.MX8M blk-ctrl driver.

So, mark the phy get as optional.

Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Changes for v13, v12:
- none
Changes for v11:
- collect Frieder RB
Changes for v10:
- add Plus in commit message
- collect Marek RB
Changes for v9, v8, v7, v6, v5, v4, v3, v2:
- none
Changes for v1:
- new patch

 drivers/gpu/drm/exynos/exynos_drm_dsi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 12a6dd987e8f..529e010291c8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1699,7 +1699,7 @@  static int exynos_dsi_probe(struct platform_device *pdev)
 	if (IS_ERR(dsi->reg_base))
 		return PTR_ERR(dsi->reg_base);
-	dsi->phy = devm_phy_get(dev, "dsim");
+	dsi->phy = devm_phy_optional_get(dev, "dsim");
 	if (IS_ERR(dsi->phy)) {
 		dev_info(dev, "failed to get dsim phy\n");
 		return PTR_ERR(dsi->phy);