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Commit 42786010 authored by Tony Truong's avatar Tony Truong
Browse files

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

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

Change-Id: I402e059641f6bbd0d561e9400d3f74364c88504b
parent 8bdf58f3

qcom/kona-pcie.dtsi

+4 −1
Original line number Diff line number Diff line
@@ -35,10 +35,13 @@ 


		perst-gpio = <&tlmm 79 0>;

		wake-gpio = <&tlmm 81 0>;

		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>;



		gdsc-vdd-supply = <&pcie_0_gdsc>;

		vreg-1p8-supply = <&pm8150_l9>;

qcom/kona-pinctrl.dtsi

+13 −0
Original line number Diff line number Diff line
@@ -718,6 +718,19 @@ 
					bias-pull-up;

				};

			};



			pcie0_clkreq_sleep: pcie0_clkreq_sleep {

				mux {

					pins = "gpio80";

					function = "gpio";

				};



				config {

					pins = "gpio80";

					drive-strength = <2>;

					bias-pull-up;

				};

			};

		};



		pcie1 {