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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Sherry Sun The i.MX8MQ-EVK has the PCIe M.2 Mechanical Key E connector to connect wireless connectivity cards over PCIe and UART interfaces. Hence, describe the connector node and link it with the PCIe 1 Root Port and UART3 nodes through graph port/endpoint. Signed-off-by: Sherry Sun --- arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 44 ++++++++++++++++++-- 1 file changed, 40 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts index 71504a0af87f..482e5203e879 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -21,6 +21,36 @@ memory@40000000 { reg = <0x00000000 0x40000000 0 0xc0000000>; }; + m2-connector { + compatible = "pcie-m2-e-connector"; + vpcie3v3-supply = <®_pcie1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + m2_e_pcie_ep: endpoint@0 { + reg = <0>; + remote-endpoint = <&pcie1_port0_ep>; + }; + }; + + port@3 { + #address-cells = <1>; + #size-cells = <0>; + reg = <3>; + m2_e_uart_ep: endpoint@0 { + reg = <0>; + remote-endpoint = <&uart3_ep>; + }; + }; + }; + }; + pcie0_refclk: pcie0-refclk { compatible = "fixed-clock"; #clock-cells = <0>; @@ -420,8 +450,12 @@ &pcie1_ep { &pcie1_port0 { reset-gpios = <&gpio5 12 GPIO_ACTIVE_LOW>; - vpcie-supply = <®_pcie1>; - vpcie3v3aux-supply = <®_pcie1>; + + port { + pcie1_port0_ep: endpoint { + remote-endpoint = <&m2_e_pcie_ep>; + }; + }; }; &pgc_gpu { @@ -506,8 +540,10 @@ &uart3 { /* BT */ uart-has-rtscts; status = "okay"; - bluetooth { - compatible = "nxp,88w8987-bt"; + port { + uart3_ep: endpoint { + remote-endpoint = <&m2_e_uart_ep>; + }; }; }; -- 2.50.1