linux-kernel - [PATCH 5.7 222/477] phy: cadence: sierra: Fix for USB3 U1/U2 state

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Message-Id: <20200623195418.076546963@linuxfoundation.org>
Date:   Tue, 23 Jun 2020 21:53:39 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sanket Parmar <sparmar@...ence.com>,
        Roger Quadros <rogerq@...com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.7 222/477] phy: cadence: sierra: Fix for USB3 U1/U2 state

From: Sanket Parmar <sparmar@...ence.com>

[ Upstream commit 2bcf14ca1a2f3202954f812f380c7fa8127fbd7f ]

Updated values of USB3 related Sierra PHY registers.
This change fixes USB3 device disconnect issue observed
while enternig U1/U2 state.

Signed-off-by: Sanket Parmar <sparmar@...ence.com>
Link: https://lore.kernel.org/r/1589804053-14302-1-git-send-email-sparmar@cadence.com
Reviewed-by: Roger Quadros <rogerq@...com>
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/phy/cadence/phy-cadence-sierra.c | 27 ++++++++++++------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
index a5c08e5bd2bf7..faed652b73f79 100644
--- a/drivers/phy/cadence/phy-cadence-sierra.c
+++ b/drivers/phy/cadence/phy-cadence-sierra.c
@@ -685,10 +685,10 @@ static struct cdns_reg_pairs cdns_usb_cmn_regs_ext_ssc[] = {
 static struct cdns_reg_pairs cdns_usb_ln_regs_ext_ssc[] = {
 	{0xFE0A, SIERRA_DET_STANDEC_A_PREG},
 	{0x000F, SIERRA_DET_STANDEC_B_PREG},
-	{0x00A5, SIERRA_DET_STANDEC_C_PREG},
+	{0x55A5, SIERRA_DET_STANDEC_C_PREG},
 	{0x69ad, SIERRA_DET_STANDEC_D_PREG},
 	{0x0241, SIERRA_DET_STANDEC_E_PREG},
-	{0x0010, SIERRA_PSM_LANECAL_DLY_A1_RESETS_PREG},
+	{0x0110, SIERRA_PSM_LANECAL_DLY_A1_RESETS_PREG},
 	{0x0014, SIERRA_PSM_A0IN_TMR_PREG},
 	{0xCF00, SIERRA_PSM_DIAG_PREG},
 	{0x001F, SIERRA_PSC_TX_A0_PREG},
@@ -696,7 +696,7 @@ static struct cdns_reg_pairs cdns_usb_ln_regs_ext_ssc[] = {
 	{0x0003, SIERRA_PSC_TX_A2_PREG},
 	{0x0003, SIERRA_PSC_TX_A3_PREG},
 	{0x0FFF, SIERRA_PSC_RX_A0_PREG},
-	{0x0619, SIERRA_PSC_RX_A1_PREG},
+	{0x0003, SIERRA_PSC_RX_A1_PREG},
 	{0x0003, SIERRA_PSC_RX_A2_PREG},
 	{0x0001, SIERRA_PSC_RX_A3_PREG},
 	{0x0001, SIERRA_PLLCTRL_SUBRATE_PREG},
@@ -705,19 +705,19 @@ static struct cdns_reg_pairs cdns_usb_ln_regs_ext_ssc[] = {
 	{0x00CA, SIERRA_CLKPATH_BIASTRIM_PREG},
 	{0x2512, SIERRA_DFE_BIASTRIM_PREG},
 	{0x0000, SIERRA_DRVCTRL_ATTEN_PREG},
-	{0x873E, SIERRA_CLKPATHCTRL_TMR_PREG},
-	{0x03CF, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
-	{0x01CE, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
+	{0x823E, SIERRA_CLKPATHCTRL_TMR_PREG},
+	{0x078F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
+	{0x078F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
 	{0x7B3C, SIERRA_CREQ_CCLKDET_MODE01_PREG},
-	{0x033F, SIERRA_RX_CTLE_MAINTENANCE_PREG},
+	{0x023C, SIERRA_RX_CTLE_MAINTENANCE_PREG},
 	{0x3232, SIERRA_CREQ_FSMCLK_SEL_PREG},
 	{0x0000, SIERRA_CREQ_EQ_CTRL_PREG},
-	{0x8000, SIERRA_CREQ_SPARE_PREG},
+	{0x0000, SIERRA_CREQ_SPARE_PREG},
 	{0xCC44, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG},
-	{0x8453, SIERRA_CTLELUT_CTRL_PREG},
-	{0x4110, SIERRA_DFE_ECMP_RATESEL_PREG},
-	{0x4110, SIERRA_DFE_SMP_RATESEL_PREG},
-	{0x0002, SIERRA_DEQ_PHALIGN_CTRL},
+	{0x8452, SIERRA_CTLELUT_CTRL_PREG},
+	{0x4121, SIERRA_DFE_ECMP_RATESEL_PREG},
+	{0x4121, SIERRA_DFE_SMP_RATESEL_PREG},
+	{0x0003, SIERRA_DEQ_PHALIGN_CTRL},
 	{0x3200, SIERRA_DEQ_CONCUR_CTRL1_PREG},
 	{0x5064, SIERRA_DEQ_CONCUR_CTRL2_PREG},
 	{0x0030, SIERRA_DEQ_EPIPWR_CTRL2_PREG},
@@ -725,7 +725,7 @@ static struct cdns_reg_pairs cdns_usb_ln_regs_ext_ssc[] = {
 	{0x5A5A, SIERRA_DEQ_ERRCMP_CTRL_PREG},
 	{0x02F5, SIERRA_DEQ_OFFSET_CTRL_PREG},
 	{0x02F5, SIERRA_DEQ_GAIN_CTRL_PREG},
-	{0x9A8A, SIERRA_DEQ_VGATUNE_CTRL_PREG},
+	{0x9999, SIERRA_DEQ_VGATUNE_CTRL_PREG},
 	{0x0014, SIERRA_DEQ_GLUT0},
 	{0x0014, SIERRA_DEQ_GLUT1},
 	{0x0014, SIERRA_DEQ_GLUT2},
@@ -772,6 +772,7 @@ static struct cdns_reg_pairs cdns_usb_ln_regs_ext_ssc[] = {
 	{0x000F, SIERRA_LFPSFILT_NS_PREG},
 	{0x0009, SIERRA_LFPSFILT_RD_PREG},
 	{0x0001, SIERRA_LFPSFILT_MP_PREG},
+	{0x6013, SIERRA_SIGDET_SUPPORT_PREG},
 	{0x8013, SIERRA_SDFILT_H2L_A_PREG},
 	{0x8009, SIERRA_SDFILT_L2H_PREG},
 	{0x0024, SIERRA_RXBUFFER_CTLECTRL_PREG},
-- 
2.25.1