ARM: dts: imx6qdl: Add Engicam i.Core 1.5 MX6

The 1.5 version of Engicam's i.Core MX6 CPU module features a different clock
provider for the ethernet's PHY interface. Adjust the FEC ptp clock to
reference CLK_ENET_REF clock source, and set SION bit of
MX6QDL_PAD_GPIO_16__ENET_REF_CLK to adjust the input path of that pin.

The newly introduced imx6ql-icore-1.5.dtsi allows to collect in a single
place differences between version '1.0' and '1.5' of the module.

Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl-icore-1.5.dtsi b/arch/arm/boot/dts/imx6qdl-icore-1.5.dtsi
new file mode 100644 (file)
index 0000000..d91d46b
--- /dev/null
+++ b/arch/arm/boot/dts/imx6qdl-icore-1.5.dtsi
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Jacopo Mondi <jacopo@jmondi.org>
+ */
+
+#include "imx6qdl-icore.dtsi"
+
+&iomuxc {
+       pinctrl_enet: enetgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_ENET_CRS_DV__ENET_RX_EN      0x1b0b0
+                       MX6QDL_PAD_GPIO_16__ENET_REF_CLK        0x4001b0b0
+                       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_GPIO_17__GPIO7_IO12          0x1b0b0
+               >;
+       };
+};
+
+&fec {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_enet>;
+       phy-reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
+       clocks = <&clks IMX6QDL_CLK_ENET>,
+                <&clks IMX6QDL_CLK_ENET>,
+                <&clks IMX6QDL_CLK_ENET_REF>;
+       phy-mode = "rmii";
+       status = "okay";
+};