Commit 25858c52 authored by Kunihiko Hayashi's avatar Kunihiko Hayashi Committed by Kishon Vijay Abraham I
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phy: uniphier-usb3hs: Change Rx sync mode to avoid communication failure 



In case of using default parameters, communication failure might occur
in rare cases. This sets Rx sync mode parameter to avoid the issue.

Signed-off-by: default avatarKunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent e68c2a8a

drivers/phy/socionext/phy-uniphier-usb3hs.c

+16 −4
Original line number Diff line number Diff line
@@ -41,10 +41,12 @@ 


#define PHY_F(regno, msb, lsb) { (regno), (msb), (lsb) }



#define RX_CHK_SYNC	PHY_F(0, 5, 5)	/* RX sync mode */

#define RX_SYNC_SEL	PHY_F(1, 1, 0)	/* RX sync length */

#define LS_SLEW		PHY_F(10, 6, 6)	/* LS mode slew rate */

#define FS_LS_DRV	PHY_F(10, 5, 5)	/* FS/LS slew rate */



#define MAX_PHY_PARAMS	2

#define MAX_PHY_PARAMS	4



struct uniphier_u3hsphy_param {

	struct {
@@ -395,13 +397,19 @@ static const struct uniphier_u3hsphy_soc_data uniphier_pro5_data = { 


static const struct uniphier_u3hsphy_soc_data uniphier_pxs2_data = {

	.is_legacy = false,

	.nparams = 0,

	.nparams = 2,

	.param = {

		{ RX_CHK_SYNC, 1 },

		{ RX_SYNC_SEL, 1 },

	},

};



static const struct uniphier_u3hsphy_soc_data uniphier_ld20_data = {

	.is_legacy = false,

	.nparams = 2,

	.nparams = 4,

	.param = {

		{ RX_CHK_SYNC, 1 },

		{ RX_SYNC_SEL, 1 },

		{ LS_SLEW, 1 },

		{ FS_LS_DRV, 1 },

	},
@@ -412,7 +420,11 @@ static const struct uniphier_u3hsphy_soc_data uniphier_ld20_data = { 


static const struct uniphier_u3hsphy_soc_data uniphier_pxs3_data = {

	.is_legacy = false,

	.nparams = 0,

	.nparams = 2,

	.param = {

		{ RX_CHK_SYNC, 1 },

		{ RX_SYNC_SEL, 1 },

	},

	.trim_func = uniphier_u3hsphy_trim_ld20,

	.config0 = 0x92316680,

	.config1 = 0x00000106,

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