From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jagan Teki Subject: [PATCH v6 6/6] ARM: dts: imx6qdl-icore: Add FEC support Date: Tue, 27 Sep 2016 00:55:36 +0530 Message-ID: <1474917937-29336-6-git-send-email-jteki@openedev.com> References: <1474917937-29336-1-git-send-email-jteki@openedev.com> Return-path: In-Reply-To: <1474917937-29336-1-git-send-email-jteki-oRp2ZoJdM/RWk0Htik3J/w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jagan Teki , Sascha Hauer , Fabio Estevam , Shawn Guo , Matteo Lisi , Michael Trimarchi List-Id: devicetree@vger.kernel.org From: Jagan Teki Add FEC support for Engicam i.CoreM6 dql modules. Observed similar 'eth0: link is not ready' issue which was discussed in [1] due rmii mode with external ref_clk, so added clock node along with the properties mentioned by Shawn in [2] FEC link log: ------------ $ ifconfig eth0 up [ 27.905187] SMSC LAN8710/LAN8720 2188000.ethernet:00: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=2188000.ethernet:00, irq=-1) [ 27.918982] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [1] https://patchwork.kernel.org/patch/3491061/ [2] https://patchwork.kernel.org/patch/3490511/ Cc: Sascha Hauer Cc: Fabio Estevam Cc: Shawn Guo Cc: Matteo Lisi Cc: Michael Trimarchi Signed-off-by: Jagan Teki --- Changes for v6: - none Changes for v5: - new patch arch/arm/boot/dts/imx6qdl-icore.dtsi | 37 ++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm/boot/dts/imx6qdl-icore.dtsi b/arch/arm/boot/dts/imx6qdl-icore.dtsi index 4e79858..972f48f 100644 --- a/arch/arm/boot/dts/imx6qdl-icore.dtsi +++ b/arch/arm/boot/dts/imx6qdl-icore.dtsi @@ -48,6 +48,18 @@ reg = <0x10000000 0x80000000>; }; + clocks { + #address-cells = <1>; + #size-cells = <0>; + + rmii_clk: clock@0 { + compatible = "fixed-clock"; + reg = <0>; + #clock-cells = <0>; + clock-frequency = <25000000>; /* 25MHz for example */ + }; + }; + reg_3p3v: regulator-3p3v { compatible = "regulator-fixed"; regulator-name = "3P3V"; @@ -93,6 +105,15 @@ assigned-clock-parents = <&clks IMX6QDL_CLK_OSC>; }; +&fec { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet>; + phy-reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>; + clocks = <&clks 117>, <&clks 117>, <&rmii_clk>; + phy-mode = "rmii"; + status = "okay"; +}; + &gpmi { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_gpmi_nand>; @@ -150,6 +171,22 @@ }; &iomuxc { + pinctrl_enet: enetgrp { + fsl,pins = < + MX6QDL_PAD_ENET_CRS_DV__ENET_RX_EN 0x1b0b0 + MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0x1b0b1 + MX6QDL_PAD_ENET_TX_EN__ENET_TX_EN 0x1b0b0 + MX6QDL_PAD_ENET_RXD1__ENET_RX_DATA1 0x1b0b0 + MX6QDL_PAD_ENET_RXD0__ENET_RX_DATA0 0x1b0b0 + MX6QDL_PAD_ENET_TXD1__ENET_TX_DATA1 0x1b0b0 + MX6QDL_PAD_ENET_TXD0__ENET_TX_DATA0 0x1b0b0 + MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0 + MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0 + MX6QDL_PAD_ENET_REF_CLK__GPIO1_IO23 0x1b0b0 + MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x1b0b0 + >; + }; + pinctrl_flexcan1: flexcan1grp { fsl,pins = < MX6QDL_PAD_KEY_ROW2__FLEXCAN1_RX 0x1b020 -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html