Dear Minkyu Kang,
> -----Original Message-----
>
> On 27/01/14 23:15, Piotr Wilczek wrote:
> > This patch enables parsing mipi data from device tree.
> > Non device tree case is still supported.
> >
> > Signed-off-by: Piotr Wilczek <p.wilc...@samsung.com>
> > Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
> > Cc: Minkyu Kang <mk7.k...@samsung.com>
> > ---
> > arch/arm/include/asm/arch-exynos/mipi_dsim.h | 3 +
> > drivers/video/exynos_mipi_dsi.c | 98
> ++++++++++++++++++++++++++
> > include/fdtdec.h | 1 +
> > lib/fdtdec.c | 1 +
> > 4 files changed, 103 insertions(+)
> >
> > diff --git a/arch/arm/include/asm/arch-exynos/mipi_dsim.h
> > b/arch/arm/include/asm/arch-exynos/mipi_dsim.h
> > index 40aca71..c9e8e06 100644
> > --- a/arch/arm/include/asm/arch-exynos/mipi_dsim.h
> > +++ b/arch/arm/include/asm/arch-exynos/mipi_dsim.h
> > @@ -12,6 +12,7 @@
> >
> > #include <linux/list.h>
> > #include <linux/fb.h>
> > +#include <lcd.h>
> >
> > #define PANEL_NAME_SIZE (32)
> >
> > @@ -368,8 +369,10 @@ int exynos_mipi_dsi_register_lcd_device(struct
> mipi_dsim_lcd_device
> > *lcd_dev);
> >
> > void exynos_set_dsim_platform_data(struct exynos_platform_mipi_dsim
> > *pd);
> > +void exynos_init_dsim_platform_data(vidinfo_t *vid);
> >
> > /* panel driver init based on mipi dsi interface */ void
> > s6e8ax0_init(void);
> >
> > +extern int mipi_power(void);
> > #endif /* _DSIM_H */
> > diff --git a/drivers/video/exynos_mipi_dsi.c
> > b/drivers/video/exynos_mipi_dsi.c index 8bb8fea..ab15ad6 100644
> > --- a/drivers/video/exynos_mipi_dsi.c
> > +++ b/drivers/video/exynos_mipi_dsi.c
> > @@ -9,6 +9,8 @@
> >
> > #include <common.h>
> > #include <malloc.h>
> > +#include <fdtdec.h>
> > +#include <libfdt.h>
> > #include <linux/err.h>
> > #include <asm/arch/dsim.h>
> > #include <asm/arch/mipi_dsim.h>
> > @@ -22,7 +24,12 @@
> > #define master_to_driver(a) (a->dsim_lcd_drv)
> > #define master_to_device(a) (a->dsim_lcd_dev)
> >
> > +DECLARE_GLOBAL_DATA_PTR;
> > +
> > static struct exynos_platform_mipi_dsim *dsim_pd;
> > +static struct mipi_dsim_config dsim_config_dt; static struct
> > +exynos_platform_mipi_dsim dsim_platform_data_dt; static struct
> > +mipi_dsim_lcd_device mipi_lcd_device_dt;
> >
> > struct mipi_dsim_ddi {
> > int bus_id;
> > @@ -238,3 +245,94 @@ void exynos_set_dsim_platform_data(struct
> > exynos_platform_mipi_dsim *pd)
> >
> > dsim_pd = pd;
> > }
> > +
> > +#ifdef CONFIG_OF_CONTROL
> > +int exynos_dsim_config_parse_dt(const void *blob) {
> > + int node;
> > +
> > + node = fdtdec_next_compatible(blob, 0,
> COMPAT_SAMSUNG_EXYNOS_MIPI_DSI);
> > + if (node <= 0) {
> > + printf("exynos_mipi_dsi: Can't get device node for mipi
> dsi\n");
> > + return -ENODEV;
> > + }
> > +
> > + dsim_config_dt.e_interface = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-e_interface", 0);
> > +
> > + dsim_config_dt.e_virtual_ch = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-e_virtual_ch", 0);
> > +
> > + dsim_config_dt.e_pixel_format = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-e_pixel_format", 0);
> > +
> > + dsim_config_dt.e_burst_mode = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-e_burst_mode", 0);
> > +
> > + dsim_config_dt.e_no_data_lane = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-e_no_data_lane", 0);
> > +
> > + dsim_config_dt.e_byte_clk = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-e_byte_clk", 0);
> > +
> > + dsim_config_dt.hfp = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-hfp", 0);
> > +
> > + dsim_config_dt.p = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-p", 0);
> > + dsim_config_dt.m = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-m", 0);
> > + dsim_config_dt.s = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-s", 0);
> > +
> > + dsim_config_dt.pll_stable_time = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-pll_stable_time", 0);
> > +
> > + dsim_config_dt.esc_clk = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-esc_clk", 0);
> > +
> > + dsim_config_dt.stop_holding_cnt = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-stop_holding_cnt", 0);
> > +
> > + dsim_config_dt.bta_timeout = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-bta_timeout", 0);
> > +
> > + dsim_config_dt.rx_timeout = fdtdec_get_int(blob, node,
> > + "samsung,dsim-config-rx_timeout", 0);
> > +
> > + mipi_lcd_device_dt.name = fdtdec_get_config_string(blob,
> > + "samsung,dsim-device-name");
> > +
> > + mipi_lcd_device_dt.id = fdtdec_get_int(blob, node,
> > + "samsung,dsim-device-id", 0);
> > +
> > + mipi_lcd_device_dt.bus_id = fdtdec_get_int(blob, node,
> > + "samsung,dsim-device-bus_id", 0);
> > +
> > + mipi_lcd_device_dt.reverse_panel = fdtdec_get_int(blob, node,
> > + "samsung,dsim-device-reverse_panel", 0);
> > +
> > + return 0;
> > +}
> > +
> > +void exynos_init_dsim_platform_data(vidinfo_t *vid) {
> > + if (exynos_dsim_config_parse_dt(gd->fdt_blob))
> > + debug("Can't get proper dsim config.\n");
> > +
> > + strcpy(dsim_platform_data_dt.lcd_panel_name,
> mipi_lcd_device_dt.name);
> > + dsim_platform_data_dt.dsim_config = &dsim_config_dt;
> > + dsim_platform_data_dt.mipi_power = mipi_power;
> > + dsim_platform_data_dt.phy_enable = set_mipi_phy_ctrl;
> > + dsim_platform_data_dt.lcd_panel_info = (void *)vid;
> > +
> > + mipi_lcd_device_dt.platform_data = (void
> *)&dsim_platform_data_dt;
> > + exynos_mipi_dsi_register_lcd_device(&mipi_lcd_device_dt);
> > +
> > +#ifdef CONFIG_S6E8AX0
> > + s6e8ax0_init();
>
> No.
> Please don't init specific panel at here. looks weird.
>
Ok.
> > +#endif
> > +
> > + dsim_pd = &dsim_platform_data_dt;
> > +}
> > +#endif
> > diff --git a/include/fdtdec.h b/include/fdtdec.h index
> > 433d6a7..f12b4aa 100644
> > --- a/include/fdtdec.h
> > +++ b/include/fdtdec.h
> > @@ -78,6 +78,7 @@ enum fdt_compat_id {
> > COMPAT_SAMSUNG_EXYNOS5_USB3_PHY,/* Exynos phy controller for
> usb3.0 */
> > COMPAT_SAMSUNG_EXYNOS_TMU, /* Exynos TMU */
> > COMPAT_SAMSUNG_EXYNOS_FIMD, /* Exynos Display controller */
> > + COMPAT_SAMSUNG_EXYNOS_MIPI_DSI, /* Exynos mipi dsi */
> > COMPAT_SAMSUNG_EXYNOS5_DP, /* Exynos Display port controller */
> > COMPAT_SAMSUNG_EXYNOS5_DWMMC, /* Exynos5 DWMMC controller */
> > COMPAT_SAMSUNG_EXYNOS_SERIAL, /* Exynos UART */
> > diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 207314f..46e67ff
> 100644
> > --- a/lib/fdtdec.c
> > +++ b/lib/fdtdec.c
> > @@ -51,6 +51,7 @@ static const char * const
> compat_names[COMPAT_COUNT] = {
> > COMPAT(SAMSUNG_EXYNOS5_USB3_PHY, "samsung,exynos5250-usb3-phy"),
> > COMPAT(SAMSUNG_EXYNOS_TMU, "samsung,exynos-tmu"),
> > COMPAT(SAMSUNG_EXYNOS_FIMD, "samsung,exynos-fimd"),
> > + COMPAT(SAMSUNG_EXYNOS_MIPI_DSI, "samsung,exynos-mipi-dsi"),
> > COMPAT(SAMSUNG_EXYNOS5_DP, "samsung,exynos5-dp"),
> > COMPAT(SAMSUNG_EXYNOS5_DWMMC, "samsung,exynos5250-dwmmc"),
> > COMPAT(SAMSUNG_EXYNOS_SERIAL, "samsung,exynos4210-uart"),
> >
>
> Thanks,
> Minkyu Kang.
Best regards,
Piotr Wilczek
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