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* [PATCH v1 0/2] Support for Qualcomm UFS QMP PHY on SDM845
@ 2018-03-20 11:30 Can Guo
  2018-03-20 11:30 ` [PATCH v1 1/2] phy: Add QMP phy based UFS phy support for sdm845 Can Guo
                   ` (2 more replies)
  0 siblings, 3 replies; 7+ messages in thread
From: Can Guo @ 2018-03-20 11:30 UTC (permalink / raw)
  To: subhashj, asutoshd, vivek.gautam, mgautam, kishon; +Cc: linux-kernel, Can Guo

This patch series adds support for UFS QMP PHY on SDM845 and updates the
compitable string for it.

Can Guo (2):
  phy: Add QMP phy based UFS phy support for sdm845
  dt-bindings: phy-qcom-qmp: Update UFS phy compitable string for sdm845

 .../devicetree/bindings/phy/qcom-qmp-phy.txt       |   3 +-
 drivers/phy/qualcomm/phy-qcom-qmp.c                | 120 ++++++++++++++++++++-
 drivers/phy/qualcomm/phy-qcom-qmp.h                |   8 ++
 3 files changed, 128 insertions(+), 3 deletions(-)

-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH v1 1/2] phy: Add QMP phy based UFS phy support for sdm845
  2018-03-20 11:30 [PATCH v1 0/2] Support for Qualcomm UFS QMP PHY on SDM845 Can Guo
@ 2018-03-20 11:30 ` Can Guo
  2018-03-21  2:42   ` cang
  2018-03-20 11:30 ` [PATCH v1 2/2] dt-bindings: phy-qcom-qmp: Update UFS phy binding " Can Guo
  2018-03-21  2:42 ` [PATCH v1 0/2] Support for Qualcomm UFS QMP PHY on SDM845 cang
  2 siblings, 1 reply; 7+ messages in thread
From: Can Guo @ 2018-03-20 11:30 UTC (permalink / raw)
  To: subhashj, asutoshd, vivek.gautam, mgautam, kishon; +Cc: linux-kernel, Can Guo

Add UFS PHY support to make SDM845 UFS work with common PHY framework.

Signed-off-by: Can Guo <cang@codeaurora.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp.c | 120 +++++++++++++++++++++++++++++++++++-
 drivers/phy/qualcomm/phy-qcom-qmp.h |   8 +++
 2 files changed, 126 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 6470c5d..aeb2377 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -156,6 +156,11 @@ enum qphy_reg_layout {
 	[QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170,
 };
 
+static const unsigned int sdm845_ufsphy_regs_layout[] = {
+	[QPHY_START_CTRL]		= 0x00,
+	[QPHY_PCS_READY_STATUS]		= 0x168,
+};
+
 static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
 	QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c),
 	QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
@@ -490,6 +495,74 @@ enum qphy_reg_layout {
 	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
 };
 
+static const struct qmp_phy_init_tbl sdm845_ufsphy_serdes_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0xd5),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL, 0x20),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_CTRL, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL1, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL2, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xda),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x0c),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE1, 0x98),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE1, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE1, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE1, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE1, 0x3f),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE1, 0xc1),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE1, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE1, 0x32),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE1, 0x0f),
+
+	/* Rate B */
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x44),
+};
+
+static const struct qmp_phy_init_tbl sdm845_ufsphy_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x06),
+};
+
+static const struct qmp_phy_init_tbl sdm845_ufsphy_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_LVL, 0x24),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_INTERFACE_MODE, 0x40),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_TERM_BW, 0x5b),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1d),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_HALF, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_QUARTER, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x81),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80),
+};
+
+static const struct qmp_phy_init_tbl sdm845_ufsphy_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_DOWN_CONTROL, 0x01),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_MULTI_LANE_CTRL1, 0x02),
+};
+
 /* struct qmp_phy_cfg - per-PHY initialization config */
 struct qmp_phy_cfg {
 	/* phy-type - PCIE/UFS/USB */
@@ -540,6 +613,9 @@ struct qmp_phy_cfg {
 	/* Register offset of secondary tx/rx lanes for USB DP combo PHY */
 	unsigned int tx_b_lane_offset;
 	unsigned int rx_b_lane_offset;
+
+	/* true, if PCS block has a separate SW_RESET register */
+	bool has_sw_rst;
 };
 
 /**
@@ -636,6 +712,10 @@ static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
 	"aux", "cfg_ahb", "ref", "com_aux",
 };
 
+static const char * const sdm845_ufs_phy_clk_l[] = {
+	"ref_clk", "ref_aux_clk",
+};
+
 /* list of resets */
 static const char * const msm8996_pciephy_reset_l[] = {
 	"phy", "common", "cfg",
@@ -650,6 +730,10 @@ static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
 	"vdda-phy", "vdda-pll",
 };
 
+static const char * const sdm845_phy_vreg_l[] = {
+	"vdda-phy", "vdda-pll",
+};
+
 static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
 	.type			= PHY_TYPE_PCIE,
 	.nlanes			= 3,
@@ -679,6 +763,7 @@ static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
 	.has_pwrdn_delay	= true,
 	.pwrdn_delay_min	= POWER_DOWN_DELAY_US_MIN,
 	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
+	.has_sw_rst		= true,
 };
 
 static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
@@ -704,6 +789,7 @@ static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
 	.start_ctrl		= SERDES_START | PCS_START,
 	.pwrdn_ctrl		= SW_PWRDN,
 	.mask_pcs_ready		= PHYSTATUS,
+	.has_sw_rst		= true,
 };
 
 /* list of resets */
@@ -740,6 +826,7 @@ static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
 	.has_pwrdn_delay	= true,
 	.pwrdn_delay_min	= 995,		/* us */
 	.pwrdn_delay_max	= 1005,		/* us */
+	.has_sw_rst		= true,
 };
 
 static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
@@ -772,6 +859,30 @@ static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
 	.has_phy_dp_com_ctrl	= true,
 	.tx_b_lane_offset	= 0x400,
 	.rx_b_lane_offset	= 0x400,
+	.has_sw_rst		= true,
+};
+
+static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
+	.type			= PHY_TYPE_UFS,
+	.nlanes			= 2,
+
+	.serdes_tbl		= sdm845_ufsphy_serdes_tbl,
+	.serdes_tbl_num		= ARRAY_SIZE(sdm845_ufsphy_serdes_tbl),
+	.tx_tbl			= sdm845_ufsphy_tx_tbl,
+	.tx_tbl_num		= ARRAY_SIZE(sdm845_ufsphy_tx_tbl),
+	.rx_tbl			= sdm845_ufsphy_rx_tbl,
+	.rx_tbl_num		= ARRAY_SIZE(sdm845_ufsphy_rx_tbl),
+	.pcs_tbl		= sdm845_ufsphy_pcs_tbl,
+	.pcs_tbl_num		= ARRAY_SIZE(sdm845_ufsphy_pcs_tbl),
+	.clk_list		= sdm845_ufs_phy_clk_l,
+	.num_clks		= ARRAY_SIZE(sdm845_ufs_phy_clk_l),
+	.vreg_list		= sdm845_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(sdm845_phy_vreg_l),
+	.regs			= sdm845_ufsphy_regs_layout,
+
+	.start_ctrl		= SERDES_START,
+	.pwrdn_ctrl		= SW_PWRDN,
+	.mask_pcs_ready		= PCS_READY,
 };
 
 static void qcom_qmp_phy_configure(void __iomem *base,
@@ -998,7 +1109,8 @@ static int qcom_qmp_phy_init(struct phy *phy)
 		usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max);
 
 	/* Pull PHY out of reset state */
-	qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
+	if (cfg->has_sw_rst)
+		qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
 	if (cfg->has_phy_dp_com_ctrl)
 		qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET);
 
@@ -1036,7 +1148,8 @@ static int qcom_qmp_phy_exit(struct phy *phy)
 	clk_disable_unprepare(qphy->pipe_clk);
 
 	/* PHY reset */
-	qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
+	if (cfg->has_sw_rst)
+		qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
 
 	/* stop SerDes and Phy-Coding-Sublayer */
 	qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
@@ -1383,6 +1496,9 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
 	}, {
 		.compatible = "qcom,qmp-v3-usb3-phy",
 		.data = &qmp_v3_usb3phy_cfg,
+	}, {
+		.compatible = "qcom,sdm845-qmp-ufs-phy",
+		.data = &sdm845_ufsphy_cfg,
 	},
 	{ },
 };
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index d1c6905..ea4b4dc 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -184,6 +184,8 @@
 #define QSERDES_V3_COM_VCO_TUNE2_MODE0			0x0f8
 #define QSERDES_V3_COM_VCO_TUNE1_MODE1			0x0fc
 #define QSERDES_V3_COM_VCO_TUNE2_MODE1			0x100
+#define QSERDES_V3_COM_VCO_TUNE_INITVAL1		0x104
+#define QSERDES_V3_COM_VCO_TUNE_INITVAL2		0x108
 #define QSERDES_V3_COM_VCO_TUNE_TIMER1			0x11c
 #define QSERDES_V3_COM_VCO_TUNE_TIMER2			0x120
 #define QSERDES_V3_COM_CLK_SELECT			0x138
@@ -211,8 +213,13 @@
 /* Only for QMP V3 PHY - RX registers */
 #define QSERDES_V3_RX_UCDR_SO_GAIN_HALF			0x00c
 #define QSERDES_V3_RX_UCDR_SO_GAIN			0x014
+#define QSERDES_V3_RX_UCDR_SVS_SO_GAIN_HALF		0x024
+#define QSERDES_V3_RX_UCDR_SVS_SO_GAIN_QUARTER		0x028
+#define QSERDES_V3_RX_UCDR_SVS_SO_GAIN			0x02c
 #define QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN		0x030
 #define QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE	0x034
+#define QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW		0x03c
+#define QSERDES_V3_RX_UCDR_PI_CONTROLS			0x044
 #define QSERDES_V3_RX_RX_TERM_BW			0x07c
 #define QSERDES_V3_RX_RX_EQ_GAIN2_LSB			0x0c8
 #define QSERDES_V3_RX_RX_EQ_GAIN2_MSB			0x0cc
@@ -272,6 +279,7 @@
 #define QPHY_V3_PCS_FLL_CNT_VAL_L			0x0cc
 #define QPHY_V3_PCS_FLL_CNT_VAL_H_TOL			0x0d0
 #define QPHY_V3_PCS_FLL_MAN_CODE			0x0d4
+#define QPHY_V3_PCS_MULTI_LANE_CTRL1			0x1c4
 #define QPHY_V3_PCS_RX_SIGDET_LVL			0x1d8
 
 /* Only for QMP V3 PHY - PCS_MISC registers */
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH v1 2/2] dt-bindings: phy-qcom-qmp: Update UFS phy binding for sdm845
  2018-03-20 11:30 [PATCH v1 0/2] Support for Qualcomm UFS QMP PHY on SDM845 Can Guo
  2018-03-20 11:30 ` [PATCH v1 1/2] phy: Add QMP phy based UFS phy support for sdm845 Can Guo
@ 2018-03-20 11:30 ` Can Guo
  2018-03-21  2:39   ` cang
  2018-03-21  2:42 ` [PATCH v1 0/2] Support for Qualcomm UFS QMP PHY on SDM845 cang
  2 siblings, 1 reply; 7+ messages in thread
From: Can Guo @ 2018-03-20 11:30 UTC (permalink / raw)
  To: subhashj, asutoshd, vivek.gautam, mgautam, kishon; +Cc: linux-kernel, Can Guo

Update the compatible string for UFS QMP PHY on SDM845.

Signed-off-by: Can Guo <cang@codeaurora.org>
---
 Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
index cef8765..6e68a6d 100644
--- a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
+++ b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
@@ -11,7 +11,8 @@ Required properties:
 	       "qcom,msm8996-qmp-usb3-phy" for 14nm USB3 phy on msm8996,
 	       "qcom,qmp-v3-usb3-phy" for USB3 QMP V3 phy,
 	       "qcom,sdm845-qmp-usb3-phy" for USB3 QMP V3 phy on sdm845,
-	       "qcom,sdm845-qmp-usb3-uni-phy" for USB3 QMP V3 UNI phy on sdm845.
+	       "qcom,sdm845-qmp-usb3-uni-phy" for USB3 QMP V3 UNI phy on sdm845,
+	       "qcom,sdm845-qmp-ufs-phy" for UFS QMP phy on sdm845.
 
  - reg: offset and length of register set for PHY's common serdes block.
 
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH v1 2/2] dt-bindings: phy-qcom-qmp: Update UFS phy binding for sdm845
  2018-03-20 11:30 ` [PATCH v1 2/2] dt-bindings: phy-qcom-qmp: Update UFS phy binding " Can Guo
@ 2018-03-21  2:39   ` cang
  0 siblings, 0 replies; 7+ messages in thread
From: cang @ 2018-03-21  2:39 UTC (permalink / raw)
  To: subhashj, asutoshd, vivek.gautam, mgautam, kishon, robh+dt,
	mark.rutland
  Cc: linux-kernel, devicetree

On 2018-03-20 19:30, Can Guo wrote:
> Update the compatible string for UFS QMP PHY on SDM845.
> 
> Signed-off-by: Can Guo <cang@codeaurora.org>
> ---
>  Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> index cef8765..6e68a6d 100644
> --- a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> +++ b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> @@ -11,7 +11,8 @@ Required properties:
>  	       "qcom,msm8996-qmp-usb3-phy" for 14nm USB3 phy on msm8996,
>  	       "qcom,qmp-v3-usb3-phy" for USB3 QMP V3 phy,
>  	       "qcom,sdm845-qmp-usb3-phy" for USB3 QMP V3 phy on sdm845,
> -	       "qcom,sdm845-qmp-usb3-uni-phy" for USB3 QMP V3 UNI phy on 
> sdm845.
> +	       "qcom,sdm845-qmp-usb3-uni-phy" for USB3 QMP V3 UNI phy on 
> sdm845,
> +	       "qcom,sdm845-qmp-ufs-phy" for UFS QMP phy on sdm845.
> 
>   - reg: offset and length of register set for PHY's common serdes 
> block.

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH v1 0/2] Support for Qualcomm UFS QMP PHY on SDM845
  2018-03-20 11:30 [PATCH v1 0/2] Support for Qualcomm UFS QMP PHY on SDM845 Can Guo
  2018-03-20 11:30 ` [PATCH v1 1/2] phy: Add QMP phy based UFS phy support for sdm845 Can Guo
  2018-03-20 11:30 ` [PATCH v1 2/2] dt-bindings: phy-qcom-qmp: Update UFS phy binding " Can Guo
@ 2018-03-21  2:42 ` cang
  2 siblings, 0 replies; 7+ messages in thread
From: cang @ 2018-03-21  2:42 UTC (permalink / raw)
  To: subhashj, asutoshd, vivek.gautam, mgautam, kishon, robh+dt,
	mark.rutland
  Cc: linux-kernel, devicetree

On 2018-03-20 19:30, Can Guo wrote:
> This patch series adds support for UFS QMP PHY on SDM845 and updates 
> the
> compitable string for it.
> 
> Can Guo (2):
>   phy: Add QMP phy based UFS phy support for sdm845
>   dt-bindings: phy-qcom-qmp: Update UFS phy compitable string for 
> sdm845
> 
>  .../devicetree/bindings/phy/qcom-qmp-phy.txt       |   3 +-
>  drivers/phy/qualcomm/phy-qcom-qmp.c                | 120 
> ++++++++++++++++++++-
>  drivers/phy/qualcomm/phy-qcom-qmp.h                |   8 ++
>  3 files changed, 128 insertions(+), 3 deletions(-)

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH v1 1/2] phy: Add QMP phy based UFS phy support for sdm845
  2018-03-20 11:30 ` [PATCH v1 1/2] phy: Add QMP phy based UFS phy support for sdm845 Can Guo
@ 2018-03-21  2:42   ` cang
  2018-03-21  3:34     ` Manu Gautam
  0 siblings, 1 reply; 7+ messages in thread
From: cang @ 2018-03-21  2:42 UTC (permalink / raw)
  To: subhashj, asutoshd, vivek.gautam, mgautam, kishon, robh+dt,
	mark.rutland
  Cc: linux-kernel, devicetree

On 2018-03-20 19:30, Can Guo wrote:
> Add UFS PHY support to make SDM845 UFS work with common PHY framework.
> 
> Signed-off-by: Can Guo <cang@codeaurora.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp.c | 120 
> +++++++++++++++++++++++++++++++++++-
>  drivers/phy/qualcomm/phy-qcom-qmp.h |   8 +++
>  2 files changed, 126 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c
> b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index 6470c5d..aeb2377 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -156,6 +156,11 @@ enum qphy_reg_layout {
>  	[QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170,
>  };
> 
> +static const unsigned int sdm845_ufsphy_regs_layout[] = {
> +	[QPHY_START_CTRL]		= 0x00,
> +	[QPHY_PCS_READY_STATUS]		= 0x168,
> +};
> +
>  static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
>  	QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c),
>  	QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
> @@ -490,6 +495,74 @@ enum qphy_reg_layout {
>  	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
>  };
> 
> +static const struct qmp_phy_init_tbl sdm845_ufsphy_serdes_tbl[] = {
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x0a),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x0f),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0xd5),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL, 0x20),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x00),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x01),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_CTRL, 0x00),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x04),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x05),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL1, 0xff),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL2, 0x00),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xda),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0xff),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x0c),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE1, 0x98),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE1, 0x06),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE1, 0x16),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE1, 0x36),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE1, 0x3f),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE1, 0xc1),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE1, 0x00),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE1, 0x32),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE1, 0x0f),
> +
> +	/* Rate B */
> +	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x44),
> +};
> +
> +static const struct qmp_phy_init_tbl sdm845_ufsphy_tx_tbl[] = {
> +	QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x06),
> +};
> +
> +static const struct qmp_phy_init_tbl sdm845_ufsphy_rx_tbl[] = {
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_LVL, 0x24),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x0f),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_INTERFACE_MODE, 0x40),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_TERM_BW, 0x5b),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1d),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_HALF, 0x04),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_QUARTER, 0x04),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN, 0x04),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x81),
> +	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80),
> +};
> +
> +static const struct qmp_phy_init_tbl sdm845_ufsphy_pcs_tbl[] = {
> +	QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_DOWN_CONTROL, 0x01),
> +	QMP_PHY_INIT_CFG(QPHY_V3_PCS_MULTI_LANE_CTRL1, 0x02),
> +};
> +
>  /* struct qmp_phy_cfg - per-PHY initialization config */
>  struct qmp_phy_cfg {
>  	/* phy-type - PCIE/UFS/USB */
> @@ -540,6 +613,9 @@ struct qmp_phy_cfg {
>  	/* Register offset of secondary tx/rx lanes for USB DP combo PHY */
>  	unsigned int tx_b_lane_offset;
>  	unsigned int rx_b_lane_offset;
> +
> +	/* true, if PCS block has a separate SW_RESET register */
> +	bool has_sw_rst;
>  };
> 
>  /**
> @@ -636,6 +712,10 @@ static inline void qphy_clrbits(void __iomem
> *base, u32 offset, u32 val)
>  	"aux", "cfg_ahb", "ref", "com_aux",
>  };
> 
> +static const char * const sdm845_ufs_phy_clk_l[] = {
> +	"ref_clk", "ref_aux_clk",
> +};
> +
>  /* list of resets */
>  static const char * const msm8996_pciephy_reset_l[] = {
>  	"phy", "common", "cfg",
> @@ -650,6 +730,10 @@ static inline void qphy_clrbits(void __iomem
> *base, u32 offset, u32 val)
>  	"vdda-phy", "vdda-pll",
>  };
> 
> +static const char * const sdm845_phy_vreg_l[] = {
> +	"vdda-phy", "vdda-pll",
> +};
> +
>  static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
>  	.type			= PHY_TYPE_PCIE,
>  	.nlanes			= 3,
> @@ -679,6 +763,7 @@ static inline void qphy_clrbits(void __iomem
> *base, u32 offset, u32 val)
>  	.has_pwrdn_delay	= true,
>  	.pwrdn_delay_min	= POWER_DOWN_DELAY_US_MIN,
>  	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
> +	.has_sw_rst		= true,
>  };
> 
>  static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
> @@ -704,6 +789,7 @@ static inline void qphy_clrbits(void __iomem
> *base, u32 offset, u32 val)
>  	.start_ctrl		= SERDES_START | PCS_START,
>  	.pwrdn_ctrl		= SW_PWRDN,
>  	.mask_pcs_ready		= PHYSTATUS,
> +	.has_sw_rst		= true,
>  };
> 
>  /* list of resets */
> @@ -740,6 +826,7 @@ static inline void qphy_clrbits(void __iomem
> *base, u32 offset, u32 val)
>  	.has_pwrdn_delay	= true,
>  	.pwrdn_delay_min	= 995,		/* us */
>  	.pwrdn_delay_max	= 1005,		/* us */
> +	.has_sw_rst		= true,
>  };
> 
>  static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
> @@ -772,6 +859,30 @@ static inline void qphy_clrbits(void __iomem
> *base, u32 offset, u32 val)
>  	.has_phy_dp_com_ctrl	= true,
>  	.tx_b_lane_offset	= 0x400,
>  	.rx_b_lane_offset	= 0x400,
> +	.has_sw_rst		= true,
> +};
> +
> +static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
> +	.type			= PHY_TYPE_UFS,
> +	.nlanes			= 2,
> +
> +	.serdes_tbl		= sdm845_ufsphy_serdes_tbl,
> +	.serdes_tbl_num		= ARRAY_SIZE(sdm845_ufsphy_serdes_tbl),
> +	.tx_tbl			= sdm845_ufsphy_tx_tbl,
> +	.tx_tbl_num		= ARRAY_SIZE(sdm845_ufsphy_tx_tbl),
> +	.rx_tbl			= sdm845_ufsphy_rx_tbl,
> +	.rx_tbl_num		= ARRAY_SIZE(sdm845_ufsphy_rx_tbl),
> +	.pcs_tbl		= sdm845_ufsphy_pcs_tbl,
> +	.pcs_tbl_num		= ARRAY_SIZE(sdm845_ufsphy_pcs_tbl),
> +	.clk_list		= sdm845_ufs_phy_clk_l,
> +	.num_clks		= ARRAY_SIZE(sdm845_ufs_phy_clk_l),
> +	.vreg_list		= sdm845_phy_vreg_l,
> +	.num_vregs		= ARRAY_SIZE(sdm845_phy_vreg_l),
> +	.regs			= sdm845_ufsphy_regs_layout,
> +
> +	.start_ctrl		= SERDES_START,
> +	.pwrdn_ctrl		= SW_PWRDN,
> +	.mask_pcs_ready		= PCS_READY,
>  };
> 
>  static void qcom_qmp_phy_configure(void __iomem *base,
> @@ -998,7 +1109,8 @@ static int qcom_qmp_phy_init(struct phy *phy)
>  		usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max);
> 
>  	/* Pull PHY out of reset state */
> -	qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
> +	if (cfg->has_sw_rst)
> +		qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>  	if (cfg->has_phy_dp_com_ctrl)
>  		qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET);
> 
> @@ -1036,7 +1148,8 @@ static int qcom_qmp_phy_exit(struct phy *phy)
>  	clk_disable_unprepare(qphy->pipe_clk);
> 
>  	/* PHY reset */
> -	qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
> +	if (cfg->has_sw_rst)
> +		qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
> 
>  	/* stop SerDes and Phy-Coding-Sublayer */
>  	qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
> @@ -1383,6 +1496,9 @@ int qcom_qmp_phy_create(struct device *dev,
> struct device_node *np, int id)
>  	}, {
>  		.compatible = "qcom,qmp-v3-usb3-phy",
>  		.data = &qmp_v3_usb3phy_cfg,
> +	}, {
> +		.compatible = "qcom,sdm845-qmp-ufs-phy",
> +		.data = &sdm845_ufsphy_cfg,
>  	},
>  	{ },
>  };
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h
> b/drivers/phy/qualcomm/phy-qcom-qmp.h
> index d1c6905..ea4b4dc 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.h
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
> @@ -184,6 +184,8 @@
>  #define QSERDES_V3_COM_VCO_TUNE2_MODE0			0x0f8
>  #define QSERDES_V3_COM_VCO_TUNE1_MODE1			0x0fc
>  #define QSERDES_V3_COM_VCO_TUNE2_MODE1			0x100
> +#define QSERDES_V3_COM_VCO_TUNE_INITVAL1		0x104
> +#define QSERDES_V3_COM_VCO_TUNE_INITVAL2		0x108
>  #define QSERDES_V3_COM_VCO_TUNE_TIMER1			0x11c
>  #define QSERDES_V3_COM_VCO_TUNE_TIMER2			0x120
>  #define QSERDES_V3_COM_CLK_SELECT			0x138
> @@ -211,8 +213,13 @@
>  /* Only for QMP V3 PHY - RX registers */
>  #define QSERDES_V3_RX_UCDR_SO_GAIN_HALF			0x00c
>  #define QSERDES_V3_RX_UCDR_SO_GAIN			0x014
> +#define QSERDES_V3_RX_UCDR_SVS_SO_GAIN_HALF		0x024
> +#define QSERDES_V3_RX_UCDR_SVS_SO_GAIN_QUARTER		0x028
> +#define QSERDES_V3_RX_UCDR_SVS_SO_GAIN			0x02c
>  #define QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN		0x030
>  #define QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE	0x034
> +#define QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW		0x03c
> +#define QSERDES_V3_RX_UCDR_PI_CONTROLS			0x044
>  #define QSERDES_V3_RX_RX_TERM_BW			0x07c
>  #define QSERDES_V3_RX_RX_EQ_GAIN2_LSB			0x0c8
>  #define QSERDES_V3_RX_RX_EQ_GAIN2_MSB			0x0cc
> @@ -272,6 +279,7 @@
>  #define QPHY_V3_PCS_FLL_CNT_VAL_L			0x0cc
>  #define QPHY_V3_PCS_FLL_CNT_VAL_H_TOL			0x0d0
>  #define QPHY_V3_PCS_FLL_MAN_CODE			0x0d4
> +#define QPHY_V3_PCS_MULTI_LANE_CTRL1			0x1c4
>  #define QPHY_V3_PCS_RX_SIGDET_LVL			0x1d8
> 
>  /* Only for QMP V3 PHY - PCS_MISC registers */

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH v1 1/2] phy: Add QMP phy based UFS phy support for sdm845
  2018-03-21  2:42   ` cang
@ 2018-03-21  3:34     ` Manu Gautam
  0 siblings, 0 replies; 7+ messages in thread
From: Manu Gautam @ 2018-03-21  3:34 UTC (permalink / raw)
  To: cang, subhashj, asutoshd, vivek.gautam, kishon, robh+dt,
	mark.rutland
  Cc: linux-kernel, devicetree

Hi Can,


On 3/21/2018 8:12 AM, cang@codeaurora.org wrote:
> On 2018-03-20 19:30, Can Guo wrote:
>> Add UFS PHY support to make SDM845 UFS work with common PHY framework.
>>
>> Signed-off-by: Can Guo <cang@codeaurora.org>
>> ---
>>  drivers/phy/qualcomm/phy-qcom-qmp.c | 120 +++++++++++++++++++++++++++++++++++-
>>  drivers/phy/qualcomm/phy-qcom-qmp.h |   8 +++
>>  2 files changed, 126 insertions(+), 2 deletions(-)
>>
[snip]
>> +    /* true, if PCS block has a separate SW_RESET register */
>> +    bool has_sw_rst;
>>  };
>>

You should set this for qmp_v3_usb3_uniphy_cfg as well.
Please also mention dependency on my patches [1] and [2] in your cover letter

[1] http://lists-archives.com/linux-kernel/29071659-dt-bindings-phy-qcom-qmp-update-bindings-for-sdm845.html
[2] lists-archives.com/linux-kernel/29071660-phy-qcom-qmp-add-qmp-v3-usb3-uni-phy-support-for-sdm845.html


>>  /**
>> @@ -636,6 +712,10 @@ static inline void qphy_clrbits(void __iomem
>> *base, u32 offset, u32 val)
>>      "aux", "cfg_ahb", "ref", "com_aux",
>>  };
>>
>> +static const char * const sdm845_ufs_phy_clk_l[] = {
>> +    "ref_clk", "ref_aux_clk",
>> +};
>> +
>>  /* list of resets */
>>  static const char * const msm8996_pciephy_reset_l[] = {
>>      "phy", "common", "cfg",
>> @@ -650,6 +730,10 @@ static inline void qphy_clrbits(void __iomem
>> *base, u32 offset, u32 val)
>>      "vdda-phy", "vdda-pll",
>>  };
>>
>> +static const char * const sdm845_phy_vreg_l[] = {
>> +    "vdda-phy", "vdda-pll",
>> +};
>> +
>>  static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
>>      .type            = PHY_TYPE_PCIE,
>>      .nlanes            = 3,
>> @@ -679,6 +763,7 @@ static inline void qphy_clrbits(void __iomem
>> *base, u32 offset, u32 val)
>>      .has_pwrdn_delay    = true,
>>      .pwrdn_delay_min    = POWER_DOWN_DELAY_US_MIN,
>>      .pwrdn_delay_max    = POWER_DOWN_DELAY_US_MAX,
>> +    .has_sw_rst        = true,
>>  };
>>
>>  static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
>> @@ -704,6 +789,7 @@ static inline void qphy_clrbits(void __iomem
>> *base, u32 offset, u32 val)
>>      .start_ctrl        = SERDES_START | PCS_START,
>>      .pwrdn_ctrl        = SW_PWRDN,
>>      .mask_pcs_ready        = PHYSTATUS,
>> +    .has_sw_rst        = true,
>>  };
>>
>>  /* list of resets */
>> @@ -740,6 +826,7 @@ static inline void qphy_clrbits(void __iomem
>> *base, u32 offset, u32 val)
>>      .has_pwrdn_delay    = true,
>>      .pwrdn_delay_min    = 995,        /* us */
>>      .pwrdn_delay_max    = 1005,        /* us */
>> +    .has_sw_rst        = true,
>>  };
>>
>>  static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
>> @@ -772,6 +859,30 @@ static inline void qphy_clrbits(void __iomem
>> *base, u32 offset, u32 val)
>>      .has_phy_dp_com_ctrl    = true,
>>      .tx_b_lane_offset    = 0x400,
>>      .rx_b_lane_offset    = 0x400,
>> +    .has_sw_rst        = true,
>> +};
>> +
>> +static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
>> +    .type            = PHY_TYPE_UFS,
>> +    .nlanes            = 2,
>> +
>> +    .serdes_tbl        = sdm845_ufsphy_serdes_tbl,
>> +    .serdes_tbl_num        = ARRAY_SIZE(sdm845_ufsphy_serdes_tbl),
>> +    .tx_tbl            = sdm845_ufsphy_tx_tbl,
>> +    .tx_tbl_num        = ARRAY_SIZE(sdm845_ufsphy_tx_tbl),
>> +    .rx_tbl            = sdm845_ufsphy_rx_tbl,
>> +    .rx_tbl_num        = ARRAY_SIZE(sdm845_ufsphy_rx_tbl),
>> +    .pcs_tbl        = sdm845_ufsphy_pcs_tbl,
>> +    .pcs_tbl_num        = ARRAY_SIZE(sdm845_ufsphy_pcs_tbl),
>> +    .clk_list        = sdm845_ufs_phy_clk_l,
>> +    .num_clks        = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
>> +    .vreg_list        = sdm845_phy_vreg_l,
>> +    .num_vregs        = ARRAY_SIZE(sdm845_phy_vreg_l),
>> +    .regs            = sdm845_ufsphy_regs_layout,
>> +
>> +    .start_ctrl        = SERDES_START,
>> +    .pwrdn_ctrl        = SW_PWRDN,
>> +    .mask_pcs_ready        = PCS_READY,
>>  };
>>
>>  static void qcom_qmp_phy_configure(void __iomem *base,
>> @@ -998,7 +1109,8 @@ static int qcom_qmp_phy_init(struct phy *phy)
>>          usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max);
>>
>>      /* Pull PHY out of reset state */
>> -    qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>> +    if (cfg->has_sw_rst)
>> +        qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>>      if (cfg->has_phy_dp_com_ctrl)
>>          qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET);
>>
>> @@ -1036,7 +1148,8 @@ static int qcom_qmp_phy_exit(struct phy *phy)
>>      clk_disable_unprepare(qphy->pipe_clk);
>>
>>      /* PHY reset */
>> -    qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>> +    if (cfg->has_sw_rst)
>> +        qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>>
>>      /* stop SerDes and Phy-Coding-Sublayer */
>>      qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
>> @@ -1383,6 +1496,9 @@ int qcom_qmp_phy_create(struct device *dev,
>> struct device_node *np, int id)
>>      }, {
>>          .compatible = "qcom,qmp-v3-usb3-phy",
>>          .data = &qmp_v3_usb3phy_cfg,
>> +    }, {
>> +        .compatible = "qcom,sdm845-qmp-ufs-phy",
>> +        .data = &sdm845_ufsphy_cfg,
>>      },
>>      { },
>>  };
>> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h
>> b/drivers/phy/qualcomm/phy-qcom-qmp.h
>> index d1c6905..ea4b4dc 100644
>> --- a/drivers/phy/qualcomm/phy-qcom-qmp.h
>> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
>> @@ -184,6 +184,8 @@
>>  #define QSERDES_V3_COM_VCO_TUNE2_MODE0            0x0f8
>>  #define QSERDES_V3_COM_VCO_TUNE1_MODE1            0x0fc
>>  #define QSERDES_V3_COM_VCO_TUNE2_MODE1            0x100
>> +#define QSERDES_V3_COM_VCO_TUNE_INITVAL1        0x104
>> +#define QSERDES_V3_COM_VCO_TUNE_INITVAL2        0x108
>>  #define QSERDES_V3_COM_VCO_TUNE_TIMER1            0x11c
>>  #define QSERDES_V3_COM_VCO_TUNE_TIMER2            0x120
>>  #define QSERDES_V3_COM_CLK_SELECT            0x138
>> @@ -211,8 +213,13 @@
>>  /* Only for QMP V3 PHY - RX registers */
>>  #define QSERDES_V3_RX_UCDR_SO_GAIN_HALF            0x00c
>>  #define QSERDES_V3_RX_UCDR_SO_GAIN            0x014
>> +#define QSERDES_V3_RX_UCDR_SVS_SO_GAIN_HALF        0x024
>> +#define QSERDES_V3_RX_UCDR_SVS_SO_GAIN_QUARTER        0x028
>> +#define QSERDES_V3_RX_UCDR_SVS_SO_GAIN            0x02c
>>  #define QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN        0x030
>>  #define QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE    0x034
>> +#define QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW        0x03c
>> +#define QSERDES_V3_RX_UCDR_PI_CONTROLS            0x044
>>  #define QSERDES_V3_RX_RX_TERM_BW            0x07c
>>  #define QSERDES_V3_RX_RX_EQ_GAIN2_LSB            0x0c8
>>  #define QSERDES_V3_RX_RX_EQ_GAIN2_MSB            0x0cc
>> @@ -272,6 +279,7 @@
>>  #define QPHY_V3_PCS_FLL_CNT_VAL_L            0x0cc
>>  #define QPHY_V3_PCS_FLL_CNT_VAL_H_TOL            0x0d0
>>  #define QPHY_V3_PCS_FLL_MAN_CODE            0x0d4
>> +#define QPHY_V3_PCS_MULTI_LANE_CTRL1            0x1c4
>>  #define QPHY_V3_PCS_RX_SIGDET_LVL            0x1d8
>>
>>  /* Only for QMP V3 PHY - PCS_MISC registers */

-- 
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a Linux Foundation Collaborative Project

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2018-03-21  3:34 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-03-20 11:30 [PATCH v1 0/2] Support for Qualcomm UFS QMP PHY on SDM845 Can Guo
2018-03-20 11:30 ` [PATCH v1 1/2] phy: Add QMP phy based UFS phy support for sdm845 Can Guo
2018-03-21  2:42   ` cang
2018-03-21  3:34     ` Manu Gautam
2018-03-20 11:30 ` [PATCH v1 2/2] dt-bindings: phy-qcom-qmp: Update UFS phy binding " Can Guo
2018-03-21  2:39   ` cang
2018-03-21  2:42 ` [PATCH v1 0/2] Support for Qualcomm UFS QMP PHY on SDM845 cang

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