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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-09-27 20:07:26 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-01-27 14:18:09 +0000
commit208d7baf8085ed639ec896274f1679d4718f2ff3 (patch)
treead5ec8c11c35d27f9beca7e602e3ccb921cd9d63 /arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
parentd8ec26d7f8287f5788a494f56e8814210f0e64be (diff)
ARM: imx: initial SolidRun HummingBoard support
Add support for the SolidRun HummingBoard. This commit adds support for the following interfaces on this board: - Consumer Ir receiver - S/PDIF output - Both USB interfaces - Gigabit Ethernet using AR8035 - UART port Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi')
-rw-r--r--arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
new file mode 100644
index 000000000000..a3cb2fff8f61
--- /dev/null
+++ b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2013,2014 Russell King
+ *
+ * This describes the hookup for an AR8035 to the iMX6 on the SolidRun
+ * MicroSOM.
+ */
+&fec {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_microsom_enet_ar8035>;
+ phy-mode = "rgmii";
+ phy-reset-duration = <2>;
+ phy-reset-gpios = <&gpio4 15 0>;
+ status = "okay";
+};
+
+&iomuxc {
+ enet {
+ pinctrl_microsom_enet_ar8035: microsom-enet-ar8035 {
+ fsl,pins = <
+ MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0
+ MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0
+ /* AR8035 reset */
+ MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x130b0
+ /* AR8035 interrupt */
+ MX6QDL_PAD_DI0_PIN2__GPIO4_IO18 0x80000000
+ /* GPIO16 -> AR8035 25MHz */
+ MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0xc0000000
+ MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x80000000
+ MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b0b0
+ MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b0b0
+ MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b0b0
+ MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b0b0
+ MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b0b0
+ /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
+ MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x0a0b1
+ /* AR8035 pin strapping: IO voltage: pull up */
+ MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b0b0
+ /* AR8035 pin strapping: PHYADDR#0: pull down */
+ MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x130b0
+ /* AR8035 pin strapping: PHYADDR#1: pull down */
+ MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x130b0
+ /* AR8035 pin strapping: MODE#1: pull up */
+ MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b0b0
+ /* AR8035 pin strapping: MODE#3: pull up */
+ MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b0b0
+ /* AR8035 pin strapping: MODE#0: pull down */
+ MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x130b0
+
+ /*
+ * As the RMII pins are also connected to RGMII
+ * so that an AR8030 can be placed, set these
+ * to high-z with the same pulls as above.
+ * Use the GPIO settings to avoid changing the
+ * input select registers.
+ */
+ MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25 0x03000
+ MX6QDL_PAD_ENET_RXD0__GPIO1_IO27 0x03000
+ MX6QDL_PAD_ENET_RXD1__GPIO1_IO26 0x03000
+ >;
+ };
+ };
+};