| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20250919-add-displayport-support-for-qcs615-platform-v5-12-eae6681f4002@oss.qualcomm.com>
Date: Fri, 19 Sep 2025 22:24:29 +0800
From: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
To: Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Rob Clark <robin.clark@....qualcomm.com>,
Dmitry Baryshkov <lumag@...nel.org>,
Abhinav Kumar <abhinav.kumar@...ux.dev>,
Jessica Zhang <jessica.zhang@....qualcomm.com>,
Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
fange.zhang@....qualcomm.com, yongxing.mou@....qualcomm.com,
li.liu@....qualcomm.com,
Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>,
Xiangxu Yin <xiangxu.yin@....qualcomm.com>
Subject: [PATCH v5 12/14] phy: qcom: qmp-usbc: Add QCS615 USB/DP PHY config
and DP mode support
Add QCS615-specific configuration for USB/DP PHY, including DP init
routines, voltage swing tables, and platform data. Add compatible
"qcs615-qmp-usb3-dp-phy".
Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
---
drivers/phy/qualcomm/phy-qcom-qmp-usbc.c | 395 +++++++++++++++++++++++++++++++
1 file changed, 395 insertions(+)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
index 8030422d64382aa231d69dec9788778cdb0f218e..cc49310a23ca6aaea8fd3baab797633842953895 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
@@ -30,6 +30,7 @@
#include "phy-qcom-qmp-pcs-misc-v3.h"
#include "phy-qcom-qmp-dp-phy.h"
+#include "phy-qcom-qmp-dp-phy-v2.h"
#define PHY_INIT_COMPLETE_TIMEOUT 10000
#define SW_PORTSELECT_VAL BIT(0)
@@ -289,6 +290,86 @@ static const struct qmp_phy_init_tbl qcm2290_usb3_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88),
};
+static const struct qmp_phy_init_tbl qmp_v2_dp_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x37),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x0e),
+ QMP_PHY_INIT_CFG(QSERDES_COM_BG_CTRL, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_BUF_ENABLE, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
+ QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
+ QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x02),
+};
+
+static const struct qmp_phy_init_tbl qmp_v2_dp_serdes_tbl_rbr[] = {
+ QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x2c),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x69),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xbf),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x21),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_LANE_MODE_1, 0xc6),
+};
+
+static const struct qmp_phy_init_tbl qmp_v2_dp_serdes_tbl_hbr[] = {
+ QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x24),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x69),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x38),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_LANE_MODE_1, 0xc4),
+};
+
+static const struct qmp_phy_init_tbl qmp_v2_dp_serdes_tbl_hbr2[] = {
+ QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x8c),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x70),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_LANE_MODE_1, 0xc4),
+};
+
+static const struct qmp_phy_init_tbl qmp_v2_dp_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_TRANSCEIVER_BIAS_EN, 0x1a),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_VMODE_CTRL1, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_PRE_STALL_LDO_BOOST_EN, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_INTERFACE_SELECT, 0x3d),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_CLKBUF_ENABLE, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_RESET_TSYNC_EN, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_TRAN_DRVR_EMP_EN, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_PARRATE_REC_DETECT_IDLE_EN, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_TX_INTERFACE_MODE, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_TX_EMP_POST1_LVL, 0x2b),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_TX_DRV_LVL, 0x2f),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_TX_BAND, 0x4),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_RES_CODE_LANE_OFFSET_TX, 0x12),
+ QMP_PHY_INIT_CFG(QSERDES_V2_TX_RES_CODE_LANE_OFFSET_RX, 0x12),
+};
+
struct qmp_usbc_offsets {
u16 serdes;
u16 pcs;
@@ -463,6 +544,34 @@ static const struct qmp_usbc_offsets qmp_usbc_offsets_v3_qcm2290 = {
.rx2 = 0x800,
};
+static const struct qmp_usbc_offsets qmp_usbc_usb3dp_offsets_qcs615 = {
+ .serdes = 0x0,
+ .pcs = 0xc00,
+ .pcs_misc = 0xa00,
+ .tx = 0x200,
+ .rx = 0x400,
+ .tx2 = 0x600,
+ .rx2 = 0x800,
+ .dp_serdes = 0x1c00,
+ .dp_txa = 0x1400,
+ .dp_txb = 0x1800,
+ .dp_dp_phy = 0x1000,
+};
+
+static const u8 qmp_v2_dp_pre_emphasis_hbr2_rbr[4][4] = {
+ {0x00, 0x0b, 0x12, 0xff},
+ {0x00, 0x0a, 0x12, 0xff},
+ {0x00, 0x0c, 0xff, 0xff},
+ {0xff, 0xff, 0xff, 0xff}
+};
+
+static const u8 qmp_v2_dp_voltage_swing_hbr2_rbr[4][4] = {
+ {0x07, 0x0f, 0x14, 0xff},
+ {0x11, 0x1d, 0x1f, 0xff},
+ {0x18, 0x1f, 0xff, 0xff},
+ {0xff, 0xff, 0xff, 0xff}
+};
+
static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
.offsets = &qmp_usbc_offsets_v3_qcm2290,
@@ -535,6 +644,51 @@ static const struct qmp_phy_cfg qcs615_usb3phy_cfg = {
.regs = qmp_v3_usb3phy_regs_layout_qcm2290,
};
+static void qmp_v2_dp_aux_init(struct qmp_usbc *qmp);
+static void qmp_v2_configure_dp_tx(struct qmp_usbc *qmp);
+static int qmp_v2_configure_dp_phy(struct qmp_usbc *qmp);
+static int qmp_v2_calibrate_dp_phy(struct qmp_usbc *qmp);
+
+static const struct qmp_phy_cfg qcs615_usb3dp_phy_cfg = {
+ .offsets = &qmp_usbc_usb3dp_offsets_qcs615,
+
+ .serdes_tbl = qcm2290_usb3_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(qcm2290_usb3_serdes_tbl),
+ .tx_tbl = qcm2290_usb3_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(qcm2290_usb3_tx_tbl),
+ .rx_tbl = qcm2290_usb3_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(qcm2290_usb3_rx_tbl),
+ .pcs_tbl = qcm2290_usb3_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(qcm2290_usb3_pcs_tbl),
+
+ .regs = qmp_v3_usb3phy_regs_layout_qcm2290,
+
+ .dp_serdes_tbl = qmp_v2_dp_serdes_tbl,
+ .dp_serdes_tbl_num = ARRAY_SIZE(qmp_v2_dp_serdes_tbl),
+ .dp_tx_tbl = qmp_v2_dp_tx_tbl,
+ .dp_tx_tbl_num = ARRAY_SIZE(qmp_v2_dp_tx_tbl),
+
+ .serdes_tbl_rbr = qmp_v2_dp_serdes_tbl_rbr,
+ .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v2_dp_serdes_tbl_rbr),
+ .serdes_tbl_hbr = qmp_v2_dp_serdes_tbl_hbr,
+ .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v2_dp_serdes_tbl_hbr),
+ .serdes_tbl_hbr2 = qmp_v2_dp_serdes_tbl_hbr2,
+ .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v2_dp_serdes_tbl_hbr2),
+
+ .swing_tbl = &qmp_v2_dp_voltage_swing_hbr2_rbr,
+ .pre_emphasis_tbl = &qmp_v2_dp_pre_emphasis_hbr2_rbr,
+
+ .dp_aux_init = qmp_v2_dp_aux_init,
+ .configure_dp_tx = qmp_v2_configure_dp_tx,
+ .configure_dp_phy = qmp_v2_configure_dp_phy,
+ .calibrate_dp_phy = qmp_v2_calibrate_dp_phy,
+
+ .reset_list = usb3dpphy_reset_l,
+ .num_resets = ARRAY_SIZE(usb3dpphy_reset_l),
+ .vreg_list = qmp_phy_qcs615_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_qcs615_vreg_l),
+};
+
static void qmp_usbc_set_phy_mode(struct qmp_usbc *qmp, bool is_dp)
{
if (qmp->tcsr_map && qmp->dp_phy_mode_reg)
@@ -593,6 +747,244 @@ static int qmp_usbc_com_exit(struct phy *phy)
return 0;
}
+static void qmp_v2_dp_aux_init(struct qmp_usbc *qmp)
+{
+ writel(DP_PHY_PD_CTL_AUX_PWRDN |
+ DP_PHY_PD_CTL_LANE_0_1_PWRDN | DP_PHY_PD_CTL_LANE_2_3_PWRDN |
+ DP_PHY_PD_CTL_PLL_PWRDN,
+ qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL);
+
+ writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
+ DP_PHY_PD_CTL_LANE_0_1_PWRDN | DP_PHY_PD_CTL_LANE_2_3_PWRDN |
+ DP_PHY_PD_CTL_PLL_PWRDN,
+ qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL);
+
+ writel(0x00, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG0);
+ writel(0x13, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG1);
+ writel(0x00, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG2);
+ writel(0x00, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG3);
+ writel(0x0a, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG4);
+ writel(0x26, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG5);
+ writel(0x0a, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG6);
+ writel(0x03, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG7);
+ writel(0xbb, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG8);
+ writel(0x03, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG9);
+ qmp->dp_aux_cfg = 0;
+
+ writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK |
+ PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK |
+ PHY_AUX_REQ_ERR_MASK,
+ qmp->dp_dp_phy + QSERDES_V2_DP_PHY_AUX_INTERRUPT_MASK);
+}
+
+static int qmp_v2_configure_dp_swing(struct qmp_usbc *qmp)
+{
+ const struct qmp_phy_cfg *cfg = qmp->cfg;
+ const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts;
+ void __iomem *tx = qmp->dp_tx;
+ void __iomem *tx2 = qmp->dp_tx2;
+ unsigned int v_level = 0, p_level = 0;
+ u8 voltage_swing_cfg, pre_emphasis_cfg;
+ int i;
+
+ if (dp_opts->lanes > 4) {
+ dev_err(qmp->dev, "Invalid lane_num(%d)\n", dp_opts->lanes);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < dp_opts->lanes; i++) {
+ v_level = max(v_level, dp_opts->voltage[i]);
+ p_level = max(p_level, dp_opts->pre[i]);
+ }
+
+ if (v_level > 4 || p_level > 4) {
+ dev_err(qmp->dev, "Invalid v(%d) | p(%d) level)\n",
+ v_level, p_level);
+ return -EINVAL;
+ }
+
+ voltage_swing_cfg = (*cfg->swing_tbl)[v_level][p_level];
+ pre_emphasis_cfg = (*cfg->pre_emphasis_tbl)[v_level][p_level];
+
+ voltage_swing_cfg |= DP_PHY_TXn_TX_DRV_LVL_MUX_EN;
+ pre_emphasis_cfg |= DP_PHY_TXn_TX_EMP_POST1_LVL_MUX_EN;
+
+ if (voltage_swing_cfg == 0xff && pre_emphasis_cfg == 0xff)
+ return -EINVAL;
+
+ writel(voltage_swing_cfg, tx + QSERDES_V2_TX_TX_DRV_LVL);
+ writel(pre_emphasis_cfg, tx + QSERDES_V2_TX_TX_EMP_POST1_LVL);
+ writel(voltage_swing_cfg, tx2 + QSERDES_V2_TX_TX_DRV_LVL);
+ writel(pre_emphasis_cfg, tx2 + QSERDES_V2_TX_TX_EMP_POST1_LVL);
+
+ return 0;
+}
+
+static void qmp_usbc_configure_dp_mode(struct qmp_usbc *qmp)
+{
+ bool reverse = (qmp->orientation == TYPEC_ORIENTATION_REVERSE);
+ u32 val;
+
+ val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
+ DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_LANE_0_1_PWRDN | DP_PHY_PD_CTL_LANE_2_3_PWRDN;
+
+ writel(val, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL);
+
+ if (reverse)
+ writel(0xc9, qmp->dp_dp_phy + QSERDES_DP_PHY_MODE);
+ else
+ writel(0xd9, qmp->dp_dp_phy + QSERDES_DP_PHY_MODE);
+}
+
+static int qmp_usbc_configure_dp_clocks(struct qmp_usbc *qmp)
+{
+ const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts;
+ u32 phy_vco_div;
+ unsigned long pixel_freq;
+
+ switch (dp_opts->link_rate) {
+ case 1620:
+ phy_vco_div = 0x1;
+ pixel_freq = 1620000000UL / 2;
+ break;
+ case 2700:
+ phy_vco_div = 0x1;
+ pixel_freq = 2700000000UL / 2;
+ break;
+ case 5400:
+ phy_vco_div = 0x2;
+ pixel_freq = 5400000000UL / 4;
+ break;
+ default:
+ dev_err(qmp->dev, "link rate:%d not supported\n", dp_opts->link_rate);
+ return -EINVAL;
+ }
+ writel(phy_vco_div, qmp->dp_dp_phy + QSERDES_V2_DP_PHY_VCO_DIV);
+
+ clk_set_rate(qmp->dp_link_hw.clk, dp_opts->link_rate * 100000);
+ clk_set_rate(qmp->dp_pixel_hw.clk, pixel_freq);
+
+ return 0;
+}
+
+static void qmp_v2_configure_dp_tx(struct qmp_usbc *qmp)
+{
+ void __iomem *tx = qmp->dp_tx;
+ void __iomem *tx2 = qmp->dp_tx2;
+
+ /* program default setting first */
+ writel(0x2a, tx + QSERDES_V2_TX_TX_DRV_LVL);
+ writel(0x20, tx + QSERDES_V2_TX_TX_EMP_POST1_LVL);
+ writel(0x2a, tx2 + QSERDES_V2_TX_TX_DRV_LVL);
+ writel(0x20, tx2 + QSERDES_V2_TX_TX_EMP_POST1_LVL);
+
+ qmp_v2_configure_dp_swing(qmp);
+}
+
+static int qmp_v2_configure_dp_phy(struct qmp_usbc *qmp)
+{
+ u32 status;
+ int ret;
+
+ qmp_usbc_configure_dp_mode(qmp);
+
+ writel(0x05, qmp->dp_dp_phy + QSERDES_V2_DP_PHY_TX0_TX1_LANE_CTL);
+ writel(0x05, qmp->dp_dp_phy + QSERDES_V2_DP_PHY_TX2_TX3_LANE_CTL);
+
+ ret = qmp_usbc_configure_dp_clocks(qmp);
+ if (ret)
+ return ret;
+
+ writel(0x01, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG);
+ writel(0x05, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG);
+ writel(0x01, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG);
+ writel(0x09, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG);
+
+ writel(0x20, qmp->dp_serdes + QSERDES_COM_RESETSM_CNTRL);
+
+ if (readl_poll_timeout(qmp->dp_serdes + QSERDES_COM_C_READY_STATUS,
+ status,
+ ((status & BIT(0)) > 0),
+ 500,
+ 10000)) {
+ dev_err(qmp->dev, "C_READY not ready\n");
+ return -ETIMEDOUT;
+ }
+
+ if (readl_poll_timeout(qmp->dp_serdes + QSERDES_COM_CMN_STATUS,
+ status,
+ ((status & BIT(0)) > 0),
+ 500,
+ 10000)){
+ dev_err(qmp->dev, "FREQ_DONE not ready\n");
+ return -ETIMEDOUT;
+ }
+
+ if (readl_poll_timeout(qmp->dp_serdes + QSERDES_COM_CMN_STATUS,
+ status,
+ ((status & BIT(1)) > 0),
+ 500,
+ 10000)){
+ dev_err(qmp->dev, "PLL_LOCKED not ready\n");
+ return -ETIMEDOUT;
+ }
+
+ writel(0x19, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG);
+
+ if (readl_poll_timeout(qmp->dp_dp_phy + QSERDES_V2_DP_PHY_STATUS,
+ status,
+ ((status & BIT(0)) > 0),
+ 500,
+ 10000)){
+ dev_err(qmp->dev, "TSYNC_DONE not ready\n");
+ return -ETIMEDOUT;
+ }
+
+ if (readl_poll_timeout(qmp->dp_dp_phy + QSERDES_V2_DP_PHY_STATUS,
+ status,
+ ((status & BIT(1)) > 0),
+ 500,
+ 10000)){
+ dev_err(qmp->dev, "PHY_READY not ready\n");
+ return -ETIMEDOUT;
+ }
+
+ writel(0x3f, qmp->dp_tx + QSERDES_V2_TX_TRANSCEIVER_BIAS_EN);
+ writel(0x10, qmp->dp_tx + QSERDES_V2_TX_HIGHZ_DRVR_EN);
+ writel(0x0a, qmp->dp_tx + QSERDES_V2_TX_TX_POL_INV);
+ writel(0x3f, qmp->dp_tx2 + QSERDES_V2_TX_TRANSCEIVER_BIAS_EN);
+ writel(0x10, qmp->dp_tx2 + QSERDES_V2_TX_HIGHZ_DRVR_EN);
+ writel(0x0a, qmp->dp_tx2 + QSERDES_V2_TX_TX_POL_INV);
+
+ writel(0x18, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG);
+ writel(0x19, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG);
+
+ if (readl_poll_timeout(qmp->dp_dp_phy + QSERDES_V2_DP_PHY_STATUS,
+ status,
+ ((status & BIT(1)) > 0),
+ 500,
+ 10000)){
+ dev_err(qmp->dev, "PHY_READY not ready\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static int qmp_v2_calibrate_dp_phy(struct qmp_usbc *qmp)
+{
+ static const u8 cfg1_settings[] = {0x13, 0x23, 0x1d};
+ u8 val;
+
+ qmp->dp_aux_cfg++;
+ qmp->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings);
+ val = cfg1_settings[qmp->dp_aux_cfg];
+
+ writel(val, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG1);
+
+ return 0;
+}
+
static int qmp_usbc_usb_power_on(struct phy *phy)
{
struct qmp_usbc *qmp = phy_get_drvdata(phy);
@@ -1605,6 +1997,9 @@ static const struct of_device_id qmp_usbc_of_match_table[] = {
}, {
.compatible = "qcom,qcm2290-qmp-usb3-phy",
.data = &qcm2290_usb3phy_cfg,
+ }, {
+ .compatible = "qcom,qcs615-qmp-usb3-dp-phy",
+ .data = &qcs615_usb3dp_phy_cfg,
}, {
.compatible = "qcom,qcs615-qmp-usb3-phy",
.data = &qcs615_usb3phy_cfg,
--
2.34.1
Powered by blists - more mailing lists