diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-ag5evm.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-ag5evm.c | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index b862e9f81e3..7e3dd732682 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -321,12 +321,46 @@ static struct resource mipidsi0_resources[] = { }, }; +#define DSI0PHYCR 0xe615006c +static int sh_mipi_set_dot_clock(struct platform_device *pdev, + void __iomem *base, + int enable) +{ + struct clk *pck; + int ret; + + pck = clk_get(&pdev->dev, "dsip_clk"); + if (IS_ERR(pck)) { + ret = PTR_ERR(pck); + goto sh_mipi_set_dot_clock_pck_err; + } + + if (enable) { + clk_set_rate(pck, clk_round_rate(pck, 24000000)); + __raw_writel(0x2a809010, DSI0PHYCR); + clk_enable(pck); + } else { + clk_disable(pck); + } + + ret = 0; + + clk_put(pck); + +sh_mipi_set_dot_clock_pck_err: + return ret; +} + static struct sh_mipi_dsi_info mipidsi0_info = { .data_format = MIPI_RGB888, .lcd_chan = &lcdc0_info.ch[0], + .lane = 2, .vsynw_offset = 20, .clksrc = 1, - .flags = SH_MIPI_DSI_HSABM, + .flags = SH_MIPI_DSI_HSABM | + SH_MIPI_DSI_SYNC_PULSES_MODE | + SH_MIPI_DSI_HSbyteCLK, + .set_dot_clock = sh_mipi_set_dot_clock, }; static struct platform_device mipidsi0_device = { @@ -474,8 +508,6 @@ static void __init ag5evm_map_io(void) shmobile_setup_console(); } -#define DSI0PHYCR 0xe615006c - static void __init ag5evm_init(void) { sh73a0_pinmux_init(); @@ -556,9 +588,6 @@ static void __init ag5evm_init(void) gpio_direction_output(GPIO_PORT235, 0); lcd_backlight_reset(); - /* MIPI-DSI clock setup */ - __raw_writel(0x2a809010, DSI0PHYCR); - /* enable SDHI0 on CN15 [SD I/F] */ gpio_request(GPIO_FN_SDHICD0, NULL); gpio_request(GPIO_FN_SDHIWP0, NULL); |