From 935c0455fd1056fc481f035a69ecf325ffb6cb05 Mon Sep 17 00:00:00 2001 From: Zhang Yubing Date: Thu, 2 Dec 2021 14:44:55 +0800 Subject: [PATCH] phy: rockchip: usbdp: fix the aux communication issue The default aux tx amplitude level can't satisfied some device, which will cause the aux communication failed. Enhance the aux tx amplitude to a high level to be compatible with different devices. Signed-off-by: Zhang Yubing Change-Id: Idcb5cf2fcf91dda5985744acb4ad3e62c99ffba4 --- drivers/phy/rockchip/phy-rockchip-usbdp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/phy/rockchip/phy-rockchip-usbdp.c b/drivers/phy/rockchip/phy-rockchip-usbdp.c index 8ef1d15a4415..e6a1688562d9 100644 --- a/drivers/phy/rockchip/phy-rockchip-usbdp.c +++ b/drivers/phy/rockchip/phy-rockchip-usbdp.c @@ -229,6 +229,7 @@ static const struct reg_sequence rk3588_udphy_init_sequence[] = { {0x0AF4, 0x1A}, {0x1AF4, 0x1A}, {0x0440, 0x3F}, {0x10D4, 0x08}, {0x20D4, 0x08}, {0x00D4, 0x30}, + {0x0024, 0x6e}, }; static inline int grfreg_write(struct regmap *base,