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...@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...@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...@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. -- Sjoerd Simons <sjoerd.sim...@collabora.co.uk> Collabora Ltd.
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