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Commit ecd48ac0 authored Dec 17, 2019 by Tony Truong

ARM: dts: msm: add sleep state for PCIe0 CLKREQ for sdxprairie



When PCIe0 core goes to D3, switch CLKREQ# to function 0
to prevent leakage on the external 10k pull-up for sdxprairie.

Change-Id: Ic2f10c64a32f2c1ee1692bde9a94e4ab66f36b21
Signed-off-by: Tony Truong <truong@codeaurora.org>

parent 9c34f5b7

arch/arm64/boot/dts/qcom/sdxprairie-pcie.dtsi

+4 −1

Original line number	Diff line number	Diff line
		@@ -160,10 +160,13 @@
		0x1200 0x00 0x0
		0x1244 0x03 0x0>;

		pinctrl-names = "default";
		pinctrl-names = "default", "sleep";
		pinctrl-0 = <&pcie0_clkreq_default
		&pcie0_perst_default
		&pcie0_wake_default>;
		pinctrl-1 = <&pcie0_clkreq_sleep
		&pcie0_perst_default
		&pcie0_wake_default>;

		perst-gpio = <&tlmm 57 0>;
		wake-gpio = <&tlmm 53 0>;

arch/arm64/boot/dts/qcom/sdxprairie-pinctrl.dtsi

+13 −0

Original line number	Diff line number	Diff line
		@@ -1433,6 +1433,19 @@
		bias-pull-up;
		};
		};

		pcie0_clkreq_sleep: pcie0_clkreq_sleep {
		mux {
		pins = "gpio56";
		function = "gpio";
		};

		config {
		pins = "gpio56";
		drive-strength = <2>;
		bias-pull-up;
		};
		};
		};

		pcie_ep {