openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Kunihiko Hayashi 2020-01-30 15:52:43 +09:00 committed by Kishon Vijay Abraham I
parent e68c2a8a2f
commit 25858c5213
1 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/phy/socionext/phy-uniphier-usb3hs.c
View File

@ -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,