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.schre...@kontron.de> Reviewed-by: Marek Vasut <ma...@denx.de> Signed-off-by: Jagan Teki <ja...@amarulasolutions.com> --- Changes for v15, 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(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index f44a5a702ad5..af16af404e87 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1732,7 +1732,7 @@ 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); -- 2.25.1