diff options
| -rw-r--r-- | arch/arm/mach-shmobile/board-ap4evb.c | 12 | ||||
| -rw-r--r-- | drivers/video/sh_mipi_dsi.c | 2 | ||||
| -rw-r--r-- | include/video/sh_mipi_dsi.h | 1 |
3 files changed, 11 insertions, 4 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 82483d5f200c..581ec66eef96 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -486,20 +486,25 @@ static struct platform_device keysc_device = { }; /* MIPI-DSI */ -#define PHYCTRL 0x0070 static int sh_mipi_set_dot_clock(struct platform_device *pdev, void __iomem *base, int enable) { struct clk *pck = clk_get(&pdev->dev, "dsip_clk"); - void __iomem *phy = base + PHYCTRL; if (IS_ERR(pck)) return PTR_ERR(pck); if (enable) { + /* + * DSIPCLK = 24MHz + * D-PHY = DSIPCLK * ((0x6*2)+1) = 312MHz (see .phyctrl) + * HsByteCLK = D-PHY/8 = 39MHz + * + * X * Y * FPS = + * (544+72+600+16) * (961+8+8+2) * 30 = 36.1MHz + */ clk_set_rate(pck, clk_round_rate(pck, 24000000)); - iowrite32(ioread32(phy) | (0xb << 8), phy); clk_enable(pck); } else { clk_disable(pck); @@ -530,6 +535,7 @@ static struct sh_mipi_dsi_info mipidsi0_info = { .lcd_chan = &lcdc_info.ch[0], .lane = 2, .vsynw_offset = 17, + .phyctrl = 0x6 << 8, .flags = SH_MIPI_DSI_SYNC_PULSES_MODE | SH_MIPI_DSI_HSbyteCLK, .set_dot_clock = sh_mipi_set_dot_clock, diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c index 42ad0f707e88..4c6b84488561 100644 --- a/drivers/video/sh_mipi_dsi.c +++ b/drivers/video/sh_mipi_dsi.c @@ -273,7 +273,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, iowrite32(0x00000001, base + PHYCTRL); udelay(200); /* Deassert resets, power on */ - iowrite32(0x03070001, base + PHYCTRL); + iowrite32(0x03070001 | pdata->phyctrl, base + PHYCTRL); /* * Default = ULPS enable | diff --git a/include/video/sh_mipi_dsi.h b/include/video/sh_mipi_dsi.h index 434d56b4a1a5..06c67fbc4eee 100644 --- a/include/video/sh_mipi_dsi.h +++ b/include/video/sh_mipi_dsi.h @@ -51,6 +51,7 @@ struct sh_mipi_dsi_info { int lane; unsigned long flags; u32 clksrc; + u32 phyctrl; /* for extra setting */ unsigned int vsynw_offset; int (*set_dot_clock)(struct platform_device *pdev, void __iomem *base, |