27 Sep
2012
27 Sep
'12
7:44 p.m.
Hi,
On Thu, Jul 19, 2012 at 1:03 AM, Adam Jiang chaoj@nvidia.com wrote:
On Thu, Jul 12, 2012 at 11:25:08PM +0800, Simon Glass wrote:
From: Wei Ni wni@nvidia.com
Add support for the LCD peripheral at the Tegra2 SOC level. A separate LCD driver will use this functionality to configure the display.
Mayuresh Kulkarni:
- changes to remove bitfields and clean up for submission
Simon Glass:
- simplify code, move clock control into here, clean-up
Signed-off-by: Mayuresh Kulkarni mkulkarni@nvidia.com Signed-off-by: Simon Glass sjg@chromium.org
Changes in v3:
- Add probe function to read in fdt parameters in display driver
- Separate display driver and LCD driver more in fdt
arch/arm/cpu/armv7/tegra2/display.c | 389 ++++++++++++++++++++
if (!config->pixel_clock || bpp == -1 ||config->width == -1 || config->height == -1) {debug("%s: Pixel parameters missing\n", __func__);return -FDT_ERR_NOTFOUND;}/* Use a ref-to-sync of 1 always, and take this from the front porch */ref-to-sync is supposed to be 1 here.
back = fdtdec_get_int(blob, rgb, "left-margin", -1);front = fdtdec_get_int(blob, rgb, "right-margin", -1);ref = fdtdec_get_int(blob, rgb, "hsync-len", -1);if ((back | front | ref) == -1) {debug("%s: Horizontal parameters missing\n", __func__);return -FDT_ERR_NOTFOUND;}config->horiz_timing[FDT_LCD_TIMING_REF_TO_SYNC] = 11;It is assigned to 11.
Thanks - have updated that.
/Adam
Regards, Simon