Dne sobota, 08. april 2023 ob 02:26:39 CEST je Andre Przywara napisal(a):
From: Samuel Holland samuel@sholland.org
The HDMI PHY depends on the HVCC supply being enabled. So far we have relied on it being enabled by an earlier firmware stage (SPL or TF-A). Attempt to enable the regulator here, so we can remove that dependency.
Signed-off-by: Samuel Holland samuel@sholland.org Signed-off-by: Andre Przywara andre.przywara@arm.com
Reviewed-by: Jernej Skrabec jernej.skrabec@gmail.com
Best regards, Jernej
drivers/video/sunxi/sunxi_dw_hdmi.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/video/sunxi/sunxi_dw_hdmi.c b/drivers/video/sunxi/sunxi_dw_hdmi.c index ef18d1f281f..0324a050d03 100644 --- a/drivers/video/sunxi/sunxi_dw_hdmi.c +++ b/drivers/video/sunxi/sunxi_dw_hdmi.c @@ -19,11 +19,13 @@ #include <asm/arch/lcdc.h> #include <linux/bitops.h> #include <linux/delay.h> +#include <power/regulator.h>
struct sunxi_dw_hdmi_priv { struct dw_hdmi hdmi; struct reset_ctl_bulk resets; struct clk_bulk clocks;
- struct udevice *hvcc;
};
struct sunxi_hdmi_phy { @@ -333,6 +335,9 @@ static int sunxi_dw_hdmi_probe(struct udevice *dev) (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; int ret;
- if (priv->hvcc)
regulator_set_enable(priv->hvcc, true);- /* Set pll3 to 297 MHz */ clock_set_pll3(297000000);
@@ -384,6 +389,10 @@ static int sunxi_dw_hdmi_of_to_plat(struct udevice *dev) if (ret) return ret;
- ret = device_get_supply_regulator(dev, "hvcc-supply", &priv->hvcc);
- if (ret)
priv->hvcc = NULL;- return 0;
}