linux-kernel - [PATCH 2/3] phy: qcom-qusb2: Add configuration for SDM660

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Date:   Thu, 14 Jan 2021 18:47:17 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
To:     agross@...nel.org
Cc:     bjorn.andersson@...aro.org, kishon@...com, vkoul@...nel.org,
        robh+dt@...nel.org, mgautam@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, konrad.dybcio@...ainline.org,
        martin.botka@...ainline.org, marijn.suijten@...ainline.org,
        phone-devel@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
Subject: [PATCH 2/3] phy: qcom-qusb2: Add configuration for SDM660

The SDM660 SoC uses the same configuration as MSM8996, but the
clock scheme uses a differential reference clock and none of
the SoCs in this series (630, 636 and others) have got a usable
PHY_CLK_SCHEME register in the TCSR for clk scheme detection.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
---
 drivers/phy/qualcomm/phy-qcom-qusb2.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 8fcfea2a8f1f..3629f60460a1 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -289,6 +289,19 @@ static const struct qusb2_phy_cfg qusb2_v2_phy_cfg = {
 	.update_tune1_with_efuse = true,
 };
 
+static const struct qusb2_phy_cfg sdm660_phy_cfg = {
+	.tbl		= msm8996_init_tbl,
+	.tbl_num	= ARRAY_SIZE(msm8996_init_tbl),
+	.regs		= msm8996_regs_layout,
+
+	.has_pll_test	= true,
+	.se_clk_scheme_default = false,
+	.disable_ctrl	= (CLAMP_N_EN | FREEZIO_N | POWER_DOWN),
+	.mask_core_ready = PLL_LOCKED,
+	.autoresume_en	 = BIT(3),
+};
+
+
 static const char * const qusb2_phy_vreg_names[] = {
 	"vdda-pll", "vdda-phy-dpdm",
 };
@@ -829,6 +842,9 @@ static const struct of_device_id qusb2_phy_of_match_table[] = {
 	}, {
 		.compatible	= "qcom,msm8998-qusb2-phy",
 		.data		= &msm8998_phy_cfg,
+	}, {
+		.compatible	= "qcom,sdm660-qusb2-phy",
+		.data		= &sdm660_phy_cfg,
 	}, {
 		/*
 		 * Deprecated. Only here to support legacy device
-- 
2.29.2