From: Heiko Stuebner heiko.stuebner@theobroma-systems.com
In a followup patch, we'll need to access the pclk ourself to enable some functionality, so get and store it in the rockchip dw-dsi variant as well.
Clocks are refcounted, so possible cascading enablements are no problem.
Signed-off-by: Heiko Stuebner heiko.stuebner@theobroma-systems.com Tested-by: Sebastian Fricke sebastian.fricke@posteo.net --- drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 24a71091759c..18e112e30f6e 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -223,6 +223,7 @@ struct dw_mipi_dsi_rockchip { void __iomem *base;
struct regmap *grf_regmap; + struct clk *pclk; struct clk *pllref_clk; struct clk *grf_clk; struct clk *phy_cfg_clk; @@ -1051,6 +1052,13 @@ static int dw_mipi_dsi_rockchip_probe(struct platform_device *pdev) return ret; }
+ dsi->pclk = devm_clk_get(dev, "pclk"); + if (IS_ERR(dsi->pclk)) { + ret = PTR_ERR(dsi->pclk); + DRM_DEV_ERROR(dev, "Unable to get pclk: %d\n", ret); + return ret; + } + dsi->pllref_clk = devm_clk_get(dev, "ref"); if (IS_ERR(dsi->pllref_clk)) { if (dsi->phy) {