mirror of
https://github.com/Ysurac/openmptcprouter.git
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76 lines
2.3 KiB
Diff
76 lines
2.3 KiB
Diff
From 5750b7268c5412e18a476482f92425eb0228564b Mon Sep 17 00:00:00 2001
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From: chunhui dai <chunhui.dai@mediatek.com>
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Date: Wed, 3 Oct 2018 11:41:46 +0800
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Subject: [PATCH 32/77] drm/mediatek: add dpi driver for mt2701 and mt7623
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This patch adds dpi dirver suppot for both mt2701 and mt7623.
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And also support other (existing or future) chips that use
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the same binding and driver.
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Reviewed-by: CK Hu <ck.hu@mediatek.com>
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Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
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---
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drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +++++++++++++++++++++
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drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
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2 files changed, 23 insertions(+)
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diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
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index 08915e1765f8..62a9d47df948 100644
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--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
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+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
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@@ -659,11 +659,29 @@ static unsigned int mt8173_calculate_factor(int clock)
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return 3 << 1;
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}
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+static unsigned int mt2701_calculate_factor(int clock)
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+{
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+ if (clock <= 64000)
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+ return 16;
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+ else if (clock <= 128000)
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+ return 8;
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+ else if (clock <= 256000)
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+ return 4;
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+ else
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+ return 2;
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+}
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+
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static const struct mtk_dpi_conf mt8173_conf = {
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.cal_factor = mt8173_calculate_factor,
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.reg_h_fre_con = 0xe0,
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};
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+static const struct mtk_dpi_conf mt2701_conf = {
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+ .cal_factor = mt2701_calculate_factor,
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+ .reg_h_fre_con = 0xb0,
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+ .edge_sel_en = true,
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+};
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+
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static int mtk_dpi_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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@@ -753,6 +771,9 @@ static int mtk_dpi_remove(struct platform_device *pdev)
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}
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static const struct of_device_id mtk_dpi_of_ids[] = {
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+ { .compatible = "mediatek,mt2701-dpi",
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+ .data = &mt2701_conf,
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+ },
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{ .compatible = "mediatek,mt8173-dpi",
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.data = &mt8173_conf,
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},
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diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
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index 47ec604289b7..6422e99952fe 100644
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--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
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+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
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@@ -424,6 +424,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
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.data = (void *)MTK_DSI },
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{ .compatible = "mediatek,mt8173-dsi",
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.data = (void *)MTK_DSI },
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+ { .compatible = "mediatek,mt2701-dpi",
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+ .data = (void *)MTK_DPI },
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{ .compatible = "mediatek,mt8173-dpi",
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.data = (void *)MTK_DPI },
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{ .compatible = "mediatek,mt2701-disp-mutex",
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--
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2.19.1
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