From: chunhui dai chunhui.dai@mediatek.com
This patch adds dpi dirver suppot for both mt2701 and mt7623. And also support other (existing or future) chips that use the same binding and driver.
Reviewed-by: CK Hu ck.hu@mediatek.com Signed-off-by: chunhui dai chunhui.dai@mediatek.com --- drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++ 2 files changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 08915e1765f8..62a9d47df948 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -659,11 +659,29 @@ static unsigned int mt8173_calculate_factor(int clock) return 3 << 1; }
+static unsigned int mt2701_calculate_factor(int clock) +{ + if (clock <= 64000) + return 16; + else if (clock <= 128000) + return 8; + else if (clock <= 256000) + return 4; + else + return 2; +} + static const struct mtk_dpi_conf mt8173_conf = { .cal_factor = mt8173_calculate_factor, .reg_h_fre_con = 0xe0, };
+static const struct mtk_dpi_conf mt2701_conf = { + .cal_factor = mt2701_calculate_factor, + .reg_h_fre_con = 0xb0, + .edge_sel_en = true, +}; + static int mtk_dpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -753,6 +771,9 @@ static int mtk_dpi_remove(struct platform_device *pdev) }
static const struct of_device_id mtk_dpi_of_ids[] = { + { .compatible = "mediatek,mt2701-dpi", + .data = &mt2701_conf, + }, { .compatible = "mediatek,mt8173-dpi", .data = &mt8173_conf, }, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 39721119713b..d961112fa2f5 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -424,6 +424,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DSI }, { .compatible = "mediatek,mt8173-dsi", .data = (void *)MTK_DSI }, + { .compatible = "mediatek,mt2701-dpi", + .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt8173-dpi", .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt2701-disp-mutex",