diff options
| author | David Hendricks <dhendrix@chromium.org> | 2015-06-25 16:59:02 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-07-06 09:40:49 +0200 |
| commit | 51e73c3f6ef6622812e6c8b0b929a157745f11d5 (patch) | |
| tree | bd9e1a27ea564627473c0f126c02ad8167727318 /src/mainboard | |
| parent | d8086876a74743db2191a62c5a75e344c907143f (diff) | |
veyron_brain: Add basic HDMI support
This adds a configure_hdmi() function that drives the HDMI
enable output high and configures the iomux. Calls to PMIC
functions to enable HDMI power are moved here as well.
BUG=none
BRANCH=none
TEST=with follow-up patches, we now get a dev screen on Brain.
Change-Id: Ifd2648376c789fb29c9e2e4ab6bdb10ca439e4a2
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 91ec6a96edaf2042236aee0383e18715014f1013
Original-Change-Id: I0c6e9f8fc5e06f53a1a160d8ab2e32447168139e
Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/282046
Reviewed-on: http://review.coreboot.org/10778
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/veyron_brain/devicetree.cb | 1 | ||||
| -rw-r--r-- | src/mainboard/google/veyron_brain/mainboard.c | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron_brain/devicetree.cb b/src/mainboard/google/veyron_brain/devicetree.cb index 4c2ea8f709..3ed746c1e3 100644 --- a/src/mainboard/google/veyron_brain/devicetree.cb +++ b/src/mainboard/google/veyron_brain/devicetree.cb @@ -21,5 +21,6 @@ chip soc/rockchip/rk3288 device cpu_cluster 0 on end register "vop_id" = "1" + register "vop_mode" = "VOP_MODE_HDMI" register "framebuffer_bits_per_pixel" = "16" end diff --git a/src/mainboard/google/veyron_brain/mainboard.c b/src/mainboard/google/veyron_brain/mainboard.c index a5c40c23ca..29f66e3eb5 100644 --- a/src/mainboard/google/veyron_brain/mainboard.c +++ b/src/mainboard/google/veyron_brain/mainboard.c @@ -76,10 +76,20 @@ static void configure_vop(void) /* lcdc(vop) iodomain select 1.8V */ write32(&rk3288_grf->io_vsel, RK_SETBITS(1 << 0)); +} +static void configure_hdmi(void) +{ rk808_configure_switch(2, 1); /* VCC18_LCD (HDMI_AVDD_1V8) */ rk808_configure_ldo(7, 1000); /* VDD10_LCD (HDMI_AVDD_1V0) */ rk808_configure_switch(1, 1); /* VCC33_LCD */ + + /* set POWER_HDMI_ON */ + gpio_output(GPIO(7, A, 2), 1); + + /* HDMI I2C */ + write32(&rk3288_grf->iomux_i2c5sda, IOMUX_HDMI_EDP_I2C_SDA); + write32(&rk3288_grf->iomux_i2c5scl, IOMUX_HDMI_EDP_I2C_SCL); } static void mainboard_init(device_t dev) @@ -90,6 +100,7 @@ static void mainboard_init(device_t dev) configure_emmc(); configure_codec(); configure_vop(); + configure_hdmi(); elog_init(); elog_add_watchdog_reset(); |