Hi,
On 5 December 2014 at 08:42, Sjoerd Simons sjoerd.simons@collabora.co.uk wrote:
On Fri, 2014-12-05 at 19:43 +0530, Ajay Kumar wrote:
Add code to support powerup sequence for peach-pi LCD.
Signed-off-by: Ajay Kumar ajaykumar.rs@samsung.com
board/samsung/smdk5420/smdk5420.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-)
diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c index a691222..915125e 100644 --- a/board/samsung/smdk5420/smdk5420.c +++ b/board/samsung/smdk5420/smdk5420.c @@ -73,19 +73,24 @@ void exynos_lcd_power_on(void)
mdelay(5);
/* TODO(ajaykumar.rs@samsung.com): Use device tree */gpio_request(EXYNOS5420_GPIO_X35, "edp_slp#");gpio_direction_output(EXYNOS5420_GPIO_X35, 1); /* EDP_SLP# */mdelay(10);gpio_request(EXYNOS5420_GPIO_Y77, "edp_rst#");gpio_direction_output(EXYNOS5420_GPIO_Y77, 1); /* EDP_RST# */gpio_request(EXYNOS5420_GPIO_X26, "edp_hpd");gpio_direction_input(EXYNOS5420_GPIO_X26); /* EDP_HPD */gpio_set_pull(EXYNOS5420_GPIO_X26, S5P_GPIO_PULL_NONE);if (has_edp_bridge())
if (has_edp_bridge()) {/* TODO(ajaykumar.rs@samsung.com): Use device tree */gpio_request(EXYNOS5420_GPIO_X35, "edp_slp#");gpio_direction_output(EXYNOS5420_GPIO_X35, 1); /* EDP_SLP# */mdelay(10);gpio_request(EXYNOS5420_GPIO_Y77, "edp_rst#");gpio_direction_output(EXYNOS5420_GPIO_Y77, 1); /* EDP_RST# */gpio_request(EXYNOS5420_GPIO_X26, "edp_hpd");gpio_direction_input(EXYNOS5420_GPIO_X26); /* EDP_HPD */gpio_set_pull(EXYNOS5420_GPIO_X26, S5P_GPIO_PULL_NONE);if (parade_init(gd->fdt_blob)) printf("%s: ps8625_init() failed\n", __func__);} else {gpio_request(EXYNOS5420_GPIO_X26, "edp_hpd");gpio_direction_input(EXYNOS5420_GPIO_X26); /* EDP_HPD */gpio_set_pull(EXYNOS5420_GPIO_X26, S5P_GPIO_PULL_NONE);}Any chance you could switch to using device-tree while changing this area. On SMDK5420 and XU3 EXYNOS5420_GPIO_X26 is used for USB so there is a bit of a potentially nastly clash there.
Yes we should really do that.
Regards, Simon