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phy: rockchip: inno-hdmi: manual power down RK3328 post-PLL with no uboot logo

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For 3328, inno hdmi phy post pll is enabled by default, it's need to
manual power down post pll if uboot logo is not shown.

Change-Id: Ia175ff0aad006be950b8bc13e1cf2ecb4f00e04c
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
This commit is contained in:
Zheng Yang
2018-02-23 17:15:28 +08:00
committed by Tao Huang
parent 87d7e43c42
commit 7b2618e5e6
1 changed files with 22 additions and 19 deletions
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41
drivers/phy/rockchip/phy-rockchip-inno-hdmi-phy.c
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@@ -726,25 +726,6 @@ inno_hdmi_phy_rk3228_pre_pll_update(struct inno_hdmi_phy *inno,
return 0;
}
static void inno_hdmi_phy_rk3328_init(struct inno_hdmi_phy *inno)
{
/*
* Use phy internal register control
* rxsense/poweron/pllpd/pdataen signal.
*/
inno_write(inno, 0x01, 0x07);
inno_write(inno, 0x02, 0x91);
/*
* reg0xc8 default value is 0xc0, if phy had been set in uboot,
* the value of bit[7:6] will be zero.
*/
if ((inno_read(inno, 0xc8) & 0xc0) == 0) {
dev_info(inno->dev, "phy had been powered up\n");
inno->phy->power_count = 1;
}
}
static int
inno_hdmi_phy_rk3328_power_on(struct inno_hdmi_phy *inno,
const struct post_pll_config *cfg,
@@ -838,6 +819,28 @@ static void inno_hdmi_phy_rk3328_power_off(struct inno_hdmi_phy *inno)
inno_update_bits(inno, 0xaa, 1, 1);
}
static void inno_hdmi_phy_rk3328_init(struct inno_hdmi_phy *inno)
{
/*
* Use phy internal register control
* rxsense/poweron/pllpd/pdataen signal.
*/
inno_write(inno, 0x01, 0x07);
inno_write(inno, 0x02, 0x91);
/*
* reg0xc8 default value is 0xc0, if phy had been set in uboot,
* the value of bit[7:6] will be zero.
*/
if ((inno_read(inno, 0xc8) & 0xc0) == 0) {
dev_info(inno->dev, "phy had been powered up\n");
inno->phy->power_count = 1;
} else {
/* manual power down post-PLL */
inno_hdmi_phy_rk3328_power_off(inno);
}
}
static int
inno_hdmi_phy_rk3328_pre_pll_update(struct inno_hdmi_phy *inno,
const struct pre_pll_config *cfg)