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video: mxsfb: add enabling of "disp_axi" clock

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Some SoC needs "disp_axi" clock to be enabled, so let's try to retrieve it
and enabling. If it fails it gives only a debug(), but this clock as well
as "axi" clock is not mandatory.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
This commit is contained in:
Giulio Benetti 2021-05-13 12:18:47 +02:00 committed by Stefano Babic
parent ee62a05344
commit 006f0dfb1d
1 changed files with 11 additions and 0 deletions
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11
drivers/video/mxsfb.c
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@ -98,6 +98,17 @@ static void mxs_lcd_init(struct udevice *dev, u32 fb_addr,
return;
}
}
ret = clk_get_by_name(dev, "disp_axi", &clk);
if (!ret) {
debug("%s: Failed to get mxs disp_axi clk: %d\n", __func__, ret);
} else {
ret = clk_enable(&clk);
if (ret < 0) {
dev_err(dev, "Failed to enable mxs disp_axi clk: %d\n", ret);
return;
}
}
#else
/* Kick in the LCDIF clock */
mxs_set_lcdclk(MXS_LCDIF_BASE, timings->pixelclock.typ / 1000);