From: Srinivas Kandagatla <[email protected]> This patch adds support to external pcie refclk.
Signed-off-by: Srinivas Kandagatla <[email protected]> --- arch/arm/boot/dts/qcom-apq8064-db600c.dts | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm/boot/dts/qcom-apq8064-db600c.dts b/arch/arm/boot/dts/qcom-apq8064-db600c.dts index 50151ef6e912..7587088c122f 100644 --- a/arch/arm/boot/dts/qcom-apq8064-db600c.dts +++ b/arch/arm/boot/dts/qcom-apq8064-db600c.dts @@ -45,6 +45,18 @@ }; + clocks { + compatible = "simple-bus"; + pcie_refclk: pcie-refclk { + pinctrl-0 = <&pcie_pins>; + pinctrl-names = "default"; + compatible = "gpio-gate-clock"; + clocks = <&rpmcc 27>; + #clock-cells = <0>; + enable-gpios = <&pm8921_gpio 22 GPIO_ACTIVE_HIGH>; + }; + }; + hdmi-out { compatible = "hdmi-connector"; type = "a"; @@ -140,6 +152,16 @@ qcom,ssbi@500000 { pmic@0 { + gpio@150 { + pcie_pins: pcie_pins { + pios { + pins = "gpio22"; + function = "normal"; + power-source = <PM8921_GPIO_VPH>; + }; + }; + }; + mpps@50 { pcie_perst: pcie-perst { pinconf { @@ -439,6 +461,11 @@ pinctrl-0 = <&pcie_perst>; pinctrl-names = "default"; perst-gpio = <&pm8921_mpps 1 GPIO_ACTIVE_LOW>; + clocks = <&gcc PCIE_A_CLK>, + <&gcc PCIE_H_CLK>, + <&gcc PCIE_PHY_REF_CLK>, + <&pcie_refclk>; + clock-names = "core", "iface", "phy", "ref"; }; /* OTG */ -- 2.16.2
