linux-kernel - [PATCH] phy: qualcomm: usb28nm: Add MDM9607 init sequence

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Message-Id: <20210131013124.54484-1-konrad.dybcio@somainline.org>
Date:   Sun, 31 Jan 2021 02:31:24 +0100
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     phone-devel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Bryan O'Donoghue" <bryan.odonoghue@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [PATCH] phy: qualcomm: usb28nm: Add MDM9607 init sequence

This is required to bring up the PHY on MDM9607-based boards.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 .../devicetree/bindings/phy/qcom,usb-hs-28nm.yaml   |  1 +
 drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c         | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/qcom,usb-hs-28nm.yaml b/Documentation/devicetree/bindings/phy/qcom,usb-hs-28nm.yaml
index ca6a0836b53c..abcc4373f39e 100644
--- a/Documentation/devicetree/bindings/phy/qcom,usb-hs-28nm.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,usb-hs-28nm.yaml
@@ -16,6 +16,7 @@ properties:
   compatible:
     enum:
       - qcom,usb-hs-28nm-femtophy
+      - qcom,usb-hs-28nm-mdm9607
 
   reg:
     maxItems: 1
diff --git a/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c b/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c
index a52a9bf13b75..8807e59a1162 100644
--- a/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c
+++ b/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c
@@ -401,13 +401,26 @@ static const struct hsphy_init_seq init_seq_femtophy[] = {
 	HSPHY_INIT_CFG(0x90, 0x60, 0),
 };
 
+static const struct hsphy_init_seq init_seq_mdm9607[] = {
+	HSPHY_INIT_CFG(0x80, 0x44, 0),
+	HSPHY_INIT_CFG(0x81, 0x38, 0),
+	HSPHY_INIT_CFG(0x82, 0x24, 0),
+	HSPHY_INIT_CFG(0x83, 0x13, 0),
+};
+
 static const struct hsphy_data hsphy_data_femtophy = {
 	.init_seq = init_seq_femtophy,
 	.init_seq_num = ARRAY_SIZE(init_seq_femtophy),
 };
 
+static const struct hsphy_data hsphy_data_mdm9607 = {
+	.init_seq = init_seq_mdm9607,
+	.init_seq_num = ARRAY_SIZE(init_seq_mdm9607),
+};
+
 static const struct of_device_id qcom_snps_hsphy_match[] = {
 	{ .compatible = "qcom,usb-hs-28nm-femtophy", .data = &hsphy_data_femtophy, },
+	{ .compatible = "qcom,usb-hs-28nm-mdm9607", .data = &hsphy_data_mdm9607, },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, qcom_snps_hsphy_match);
-- 
2.30.0