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[24.22.235.96]) by smtp.gmail.com with ESMTPSA id p81sm380835pfa.107.2019.02.07.16.30.01 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 07 Feb 2019 16:30:02 -0800 (PST) From: Andrey Smirnov To: Lucas Stach Cc: Andrey Smirnov , Shawn Guo , Fabio Estevam , Chris Healy , Leonard Crestez , "A.s. Dong" , Richard Zhu , linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC v2 5/5] arm64: dts: imx8mq-evk: Enable PCIE0 interface Date: Thu, 7 Feb 2019 16:29:41 -0800 Message-Id: <20190208002941.30343-6-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190208002941.30343-1-andrew.smirnov@gmail.com> References: <20190208002941.30343-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enable PCIE0 interface connected to BCM4356 WiFi/Bluetooth module. Signed-off-by: Andrey Smirnov Cc: Shawn Guo Cc: Fabio Estevam Cc: Chris Healy Cc: Lucas Stach Cc: Leonard Crestez Cc: "A.s. Dong" Cc: Richard Zhu Cc: linux-imx@nxp.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 34 ++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts index 64acccc4bfcb..20afdb9ffdd9 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -31,6 +31,12 @@ gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; }; &fec1 { @@ -40,6 +46,14 @@ status = "okay"; }; +&gpio5 { + wl-reg-on { + gpio-hog; + gpios = <29 GPIO_ACTIVE_HIGH>; + output-high; + }; +}; + &i2c1 { clock-frequency = <100000>; pinctrl-names = "default"; @@ -131,6 +145,18 @@ }; }; +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + reset-gpio = <&gpio5 28 GPIO_ACTIVE_LOW>; + clocks = <&clk IMX8MQ_CLK_PCIE1_ROOT>, + <&clk IMX8MQ_CLK_PCIE1_AUX>, + <&clk IMX8MQ_CLK_PCIE1_PHY>, + <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus"; + status = "okay"; +}; + &uart1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>; @@ -195,6 +221,14 @@ >; }; + pinctrl_pcie0: pcie0grp { + fsl,pins = < + MX8MQ_IOMUXC_I2C4_SCL_PCIE1_CLKREQ_B 0x76 + MX8MQ_IOMUXC_UART4_TXD_GPIO5_IO29 0x16 + MX8MQ_IOMUXC_UART4_RXD_GPIO5_IO28 0x16 + >; + }; + pinctrl_reg_usdhc2: regusdhc2grpgpio { fsl,pins = < MX8MQ_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x41 -- 2.20.1