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drm/mediatek: add dpi driver for mt2701 and mt7623

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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.

Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
chunhui dai 2018-10-03 11:41:46 +08:00 committed by CK Hu
parent bcc97daee6
commit d08b5ab972
2 changed files with 23 additions and 0 deletions
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21
drivers/gpu/drm/mediatek/mtk_dpi.c
View file

@ -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,
},

2
drivers/gpu/drm/mediatek/mtk_drm_drv.c
View file

@ -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",