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[24.22.235.96]) by smtp.gmail.com with ESMTPSA id n82sm13597289pfi.63.2019.03.31.19.24.34 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 31 Mar 2019 19:24:34 -0700 (PDT) From: Andrey Smirnov To: Shawn Guo Cc: Andrey Smirnov , Lucas Stach , 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: [PATCH v4 5/5] arm64: dts: imx8mq-evk: Enable PCIE0 interface Date: Sun, 31 Mar 2019 19:24:13 -0700 Message-Id: <20190401022413.6682-6-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190401022413.6682-1-andrew.smirnov@gmail.com> References: <20190401022413.6682-1-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 Reviewed-by: Lucas Stach 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 | 42 ++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts index 304c28034ddf..b25f775e8889 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -21,6 +21,12 @@ reg = <0x00000000 0x40000000 0 0xc0000000>; }; + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + reg_usdhc2_vmmc: regulator-vsd-3v3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_reg_usdhc2>; @@ -118,6 +124,17 @@ status = "okay"; }; +&gpio5 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wifi_reset>; + + wl-reg-on { + gpio-hog; + gpios = <29 GPIO_ACTIVE_HIGH>; + output-high; + }; +}; + &i2c1 { clock-frequency = <100000>; pinctrl-names = "default"; @@ -209,6 +226,18 @@ }; }; +&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>; @@ -303,6 +332,13 @@ >; }; + pinctrl_pcie0: pcie0grp { + fsl,pins = < + MX8MQ_IOMUXC_I2C4_SCL_PCIE1_CLKREQ_B 0x76 + MX8MQ_IOMUXC_UART4_RXD_GPIO5_IO28 0x16 + >; + }; + pinctrl_qspi: qspigrp { fsl,pins = < MX8MQ_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x82 @@ -430,4 +466,10 @@ MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6 >; }; + + pinctrl_wifi_reset: wifiresetgrp { + fsl,pins = < + MX8MQ_IOMUXC_UART4_TXD_GPIO5_IO29 0x16 + >; + }; }; -- 2.20.1