diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-11-08 20:34:43 -0800 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-11-21 23:43:21 +0000 |
| commit | 26c3d7ac219e74ab3939048a32d6bd3b4a16798a (patch) | |
| tree | bc545725a8974969f56e9e159542a8a1129cd185 | |
| parent | d07a9d2a5e82ed677971b2e9f3e4cbd49b9ec34e (diff) | |
| download | linux-26c3d7ac219e74ab3939048a32d6bd3b4a16798a.tar.bz2 | |
fbdev: sh_mipi_dsi: add lane control support
SH MIPI DSI can use 0-4 lane
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| -rw-r--r-- | arch/arm/mach-shmobile/board-ag5evm.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/board-ap4evb.c | 1 | ||||
| -rw-r--r-- | drivers/video/sh_mipi_dsi.c | 10 | ||||
| -rw-r--r-- | include/video/sh_mipi_dsi.h | 1 |
4 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index b862e9f81e3e..e969fe91e505 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -324,6 +324,7 @@ static struct resource mipidsi0_resources[] = { 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, diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 4c865ece9ac4..b7d006fd0461 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -580,6 +580,7 @@ static struct resource mipidsi0_resources[] = { static struct sh_mipi_dsi_info mipidsi0_info = { .data_format = MIPI_RGB888, .lcd_chan = &lcdc_info.ch[0], + .lane = 2, .vsynw_offset = 17, }; diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c index dfd51541e24c..af6bec24effb 100644 --- a/drivers/video/sh_mipi_dsi.c +++ b/drivers/video/sh_mipi_dsi.c @@ -8,6 +8,7 @@ * published by the Free Software Foundation. */ +#include <linux/bitmap.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/init.h> @@ -153,6 +154,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan; u32 pctype, datatype, pixfmt, linelength, vmctr2 = 0x00e00000; bool yuv; + u32 tmp; /* * Select data format. MIPI DSI is not hot-pluggable, so, we just use @@ -253,6 +255,9 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, (!yuv && ch->interface_type != RGB24)) return -EINVAL; + if (!pdata->lane) + return -EINVAL; + /* reset DSI link */ iowrite32(0x00000001, base + SYSCTRL); /* Hold reset for 100 cycles of the slowest of bus, HS byte and LP clock */ @@ -269,7 +274,10 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, * ECC check enable * additionally enable first two lanes */ - iowrite32(0x00003703, base + SYSCONF); + bitmap_fill((unsigned long *)&tmp, pdata->lane); + tmp |= 0x00003700; + iowrite32(tmp, base + SYSCONF); + /* * T_wakeup = 0x7000 * T_hs-trail = 3 diff --git a/include/video/sh_mipi_dsi.h b/include/video/sh_mipi_dsi.h index 58b78f8c0abd..3d0ec500d896 100644 --- a/include/video/sh_mipi_dsi.h +++ b/include/video/sh_mipi_dsi.h @@ -35,6 +35,7 @@ struct sh_mobile_lcdc_chan_cfg; struct sh_mipi_dsi_info { enum sh_mipi_dsi_data_fmt data_format; struct sh_mobile_lcdc_chan_cfg *lcd_chan; + int lane; unsigned long flags; u32 clksrc; unsigned int vsynw_offset; |