Re: [PATCH V3 2/2] phy: qcom-qmp-ufs: Add Phy Configuration support for SC7280

From: Nitin Rawat
Date: Fri Sep 15 2023 - 12:15:42 EST




On 9/6/2023 1:34 AM, Dmitry Baryshkov wrote:
On 23/08/2023 12:17, Nitin Rawat wrote:
Add SC7280 specific register layout and table configs.

Co-developed-by: Manish Pandey <quic_mapa@xxxxxxxxxxx>
Signed-off-by: Manish Pandey <quic_mapa@xxxxxxxxxxx>
Signed-off-by: Nitin Rawat <quic_nitirawa@xxxxxxxxxxx>
---
  drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 142 ++++++++++++++++++++++++
  1 file changed, 142 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
index 3927eba8e468..514fa14df634 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c

[skipped tables programming]

4),
Sorry I quite didn't get this comment. what exactly is skipped ?Please can you help explain?


@@ -888,6 +993,40 @@ static const struct qmp_phy_cfg sa8775p_ufsphy_cfg = {
      .regs            = ufsphy_v5_regs_layout,
  };

+static const struct qmp_phy_cfg sc7280_ufsphy_cfg = {
+    .lanes                  = 2,
+
+    .offsets                = &qmp_ufs_offsets,
+
+    .tbls = {
+        .serdes         = sm8150_ufsphy_serdes,
+        .serdes_num     = ARRAY_SIZE(sm8150_ufsphy_serdes),
+        .tx             = sc7280_ufsphy_tx,
+        .tx_num         = ARRAY_SIZE(sc7280_ufsphy_tx),
+        .rx             = sc7280_ufsphy_rx,
+        .rx_num         = ARRAY_SIZE(sc7280_ufsphy_rx),
+        .pcs            = sc7280_ufsphy_pcs,
+        .pcs_num        = ARRAY_SIZE(sc7280_ufsphy_pcs),
+    },
+    .tbls_hs_b = {
+        .serdes         = sm8150_ufsphy_hs_b_serdes,
+        .serdes_num     = ARRAY_SIZE(sm8150_ufsphy_hs_b_serdes),
+    },
+    .tbls_hs_g4 = {
+        .tx             = sm8250_ufsphy_hs_g4_tx,
+        .tx_num         = ARRAY_SIZE(sm8250_ufsphy_hs_g4_tx),
+        .rx             = sc7280_ufsphy_hs_g4_rx,
+        .rx_num         = ARRAY_SIZE(sc7280_ufsphy_hs_g4_rx),
+        .pcs            = sm8150_ufsphy_hs_g4_pcs,
+        .pcs_num        = ARRAY_SIZE(sm8150_ufsphy_hs_g4_pcs),
+    },
+    .clk_list               = sm8450_ufs_phy_clk_l,
+    .num_clks               = ARRAY_SIZE(sm8450_ufs_phy_clk_l),

This doesn't correspond to the bindings. This array has 3 enries, while in the bindings you have opted for two clocks for this PHY.
Sure. I'll update the bindings.


+    .vreg_list              = qmp_phy_vreg_l,
+    .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
+    .regs                   = ufsphy_v4_regs_layout,
+};
+
  static const struct qmp_phy_cfg sc8280xp_ufsphy_cfg = {
      .lanes            = 2,

@@ -1648,6 +1787,9 @@ static const struct of_device_id qmp_ufs_of_match_table[] = {
      }, {
          .compatible = "qcom,sa8775p-qmp-ufs-phy",
          .data = &sa8775p_ufsphy_cfg,
+    }, {
+        .compatible = "qcom,sc7280-qmp-ufs-phy",
+        .data = &sc7280_ufsphy_cfg,
      }, {
          .compatible = "qcom,sc8180x-qmp-ufs-phy",
          .data = &sm8150_ufsphy_cfg,
--
2.17.1


Thanks,
Nitin