Merge "ARM: dts: msm: Hold QUSB PHY1 into reset with MSM8996 variant" (bbf6ae64) · Commits · e / devices / android_kernel_xiaomi_markw

Documentation/devicetree/bindings/usb/msm-phy.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -166,6 +166,7 @@ Optional properties:
		- qcom,tune2-efuse-bit-pos: TUNE2 parameter related start bit position with EFUSE register
		- qcom,tune2-efuse-num-bits: Number of bits based value to use for TUNE2 high nibble
		- qcom,emulation: Indicates that we are running on emulation platform.
		- qcom,hold-reset: Indicates that hold QUSB PHY into reset state.

		Example:
		qusb_phy: qusb@f9b39000 {

+1 −0

Original line number	Diff line number	Diff line
		@@ -1949,6 +1949,7 @@
		0x21 0x10
		0x14 0x9C>;
		phy_type = "utmi";
		qcom,hold-reset;

		clocks = <&clock_gcc clk_ln_bb_clk>,
		<&clock_gcc clk_gcc_rx2_usb2_clkref_clk>,

+10 −0

Original line number	Diff line number	Diff line
		@@ -770,6 +770,7 @@ static int qusb_phy_probe(struct platform_device *pdev)
		struct resource *res;
		int ret = 0, size = 0;
		const char *phy_type;
		bool hold_phy_reset;

		qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL);
		if (!qphy)
		@@ -934,6 +935,7 @@ static int qusb_phy_probe(struct platform_device *pdev)
		return ret;
		}

		hold_phy_reset = of_property_read_bool(dev->of_node, "qcom,hold-reset");
		ret = of_property_read_u32_array(dev->of_node, "qcom,vdd-voltage-level",
		(u32 *) qphy->vdd_levels,
		ARRAY_SIZE(qphy->vdd_levels));
		@@ -975,6 +977,14 @@ static int qusb_phy_probe(struct platform_device *pdev)
		qphy->phy.notify_disconnect = qusb_phy_notify_disconnect;
		}

		/*
		* On some platforms multiple QUSB PHYs are available. If QUSB PHY is
		* not used, there is leakage current seen with QUSB PHY related voltage
		* rail. Hence keep QUSB PHY into reset state explicitly here.
		*/
		if (hold_phy_reset)
		clk_reset(qphy->phy_reset, CLK_RESET_ASSERT);

		ret = usb_add_phy_dev(&qphy->phy);
		return ret;
		}