ARM: dts: add Protonic WD2 board

Add support for the Protonic WD2 board, which is an internal development
platform for low-cost agricultural Virtual Terminals based on COTS tablets
and web applications.
It inherits from the PRTI6Q base class.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 0521e7d..a8d27e5 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -544,6 +544,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
        imx6q-pico-pi.dtb \
        imx6q-pistachio.dtb \
        imx6q-prti6q.dtb \
+       imx6q-prtwd2.dtb \
        imx6q-rex-pro.dtb \
        imx6q-sabreauto.dtb \
        imx6q-sabrelite.dtb \

diff --git a/arch/arm/boot/dts/imx6q-prtwd2.dts b/arch/arm/boot/dts/imx6q-prtwd2.dts
new file mode 100644 (file)
index 0000000..dffafbc
--- /dev/null
+++ b/arch/arm/boot/dts/imx6q-prtwd2.dts
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2018 Protonic Holland
+ */
+
+/dts-v1/;
+#include "imx6q.dtsi"
+#include "imx6qdl-prti6q.dtsi"
+#include <dt-bindings/leds/common.h>
+
+/ {
+       model = "Protonic WD2 board";
+       compatible = "prt,prtwd2", "fsl,imx6q";
+
+       memory@10000000 {
+               device_type = "memory";
+               reg = <0x10000000 0x20000000>;
+       };
+
+       memory@80000000 {
+               device_type = "memory";
+               reg = <0x80000000 0x20000000>;
+       };
+
+       usdhc2_wifi_pwrseq: usdhc2_wifi_pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_wifi_npd>;
+               reset-gpios = <&gpio6 10 GPIO_ACTIVE_LOW>;
+       };
+
+       /* PRTWD2 rev 1 bitbang I2C for Ethernet Switch */
+       i2c@4 {
+               compatible = "i2c-gpio";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_i2c4>;
+               sda-gpios = <&gpio1 22 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+               scl-gpios = <&gpio1 31 GPIO_ACTIVE_HIGH>;
+               i2c-gpio,delay-us = <20>;       /* ~10 kHz */
+               i2c-gpio,scl-output-only;
+               #address-cells = <1>;
+               #size-cells = <0>;
+       };
+};
+
+&can1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_can1 &pinctrl_can1phy>;
+       status = "okay";
+};
+
+&fec {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_enet>;
+       phy-mode = "rmii";
+       clocks = <&clks IMX6QDL_CLK_ENET>,
+                <&clks IMX6QDL_CLK_ENET>;
+       clock-names = "ipg", "ahb";
+       status = "okay";
+
+       fixed-link {
+               speed = <100>;
+               pause;
+               full-duplex;
+       };
+};
+
+&i2c3 {
+       adc@49 {
+               compatible = "ti,ads1015";
+               reg = <0x49>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               /* V in */
+               channel@4 {
+                       reg = <4>;
+                       ti,gain = <1>;
+                       ti,datarate = <3>;
+               };
+
+               /* I charge */
+               channel@5 {
+                       reg = <5>;
+                       ti,gain = <1>;
+                       ti,datarate = <3>;
+               };
+
+               /* V bus  */
+               channel@6 {
+                       reg = <6>;
+                       ti,gain = <1>;
+                       ti,datarate = <3>;
+               };
+
+               /* nc */
+               channel@7 {
+                       reg = <7>;
+                       ti,gain = <1>;
+                       ti,datarate = <3>;
+               };
+       };
+};
+
+&usdhc2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usdhc2>;
+       no-1-8-v;
+       non-removable;
+       mmc-pwrseq = <&usdhc2_wifi_pwrseq>;
+       #address-cells = <1>;
+       #size-cells = <0>;
+       status = "okay";
+
+       wifi@1 {
+               compatible = "brcm,bcm4329-fmac";
+               reg = <1>;
+       };
+};
+
+&iomuxc {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usb_eth_chg>;
+
+       pinctrl_can1phy: can1phy {
+               fsl,pins = <
+                       /* CAN1_SR */
+                       MX6QDL_PAD_KEY_COL3__GPIO4_IO12 0x13070
+               >;
+       };
+
+       pinctrl_enet: enetgrp {
+               fsl,pins = <
+                       /* MX6QDL_ENET_PINGRP4 */
+                       MX6QDL_PAD_ENET_RXD0__ENET_RX_DATA0     0x1b0b0
+                       MX6QDL_PAD_ENET_RXD1__ENET_RX_DATA1     0x1b0b0
+                       MX6QDL_PAD_ENET_RX_ER__ENET_RX_ER       0x130b0
+                       MX6QDL_PAD_ENET_TX_EN__ENET_TX_EN       0x1b0b0
+                       MX6QDL_PAD_ENET_TXD0__ENET_TX_DATA0     0x1b0b0
+                       MX6QDL_PAD_ENET_TXD1__ENET_TX_DATA1     0x1b0b0
+                       MX6QDL_PAD_ENET_CRS_DV__ENET_RX_EN      0x1b0b0
+
+                       MX6QDL_PAD_GPIO_16__ENET_REF_CLK        0x1b0b0
+                       /* Phy reset */
+                       MX6QDL_PAD_CSI0_DAT4__GPIO5_IO22        0x1b0b0
+                       /* nINTRP */
+                       MX6QDL_PAD_CSI0_DAT5__GPIO5_IO23        0x1b0b0
+
+                       MX6QDL_PAD_ENET_MDIO__ENET_MDIO         0x10030
+                       MX6QDL_PAD_ENET_MDC__ENET_MDC           0x10030
+               >;
+       };
+
+       pinctrl_i2c4: i2c4grp {
+               fsl,pins = <
+                       MX6QDL_PAD_ENET_MDIO__GPIO1_IO22        0x1f8b0
+                       MX6QDL_PAD_ENET_MDC__GPIO1_IO31         0x1f8b0
+               >;
+       };
+
+       pinctrl_usb_eth_chg: usbethchggrp {
+               fsl,pins = <
+                       /* USB charging control */
+                       MX6QDL_PAD_NANDF_CS0__GPIO6_IO11        0x130b0
+                       MX6QDL_PAD_NANDF_CS1__GPIO6_IO14        0x130b0
+                       MX6QDL_PAD_NANDF_CS2__GPIO6_IO15        0x130b0
+                       MX6QDL_PAD_NANDF_CS3__GPIO6_IO16        0x130b0
+                       >;
+       };
+
+       pinctrl_usdhc2: usdhc2grp {
+               fsl,pins = <
+                       MX6QDL_PAD_SD2_CMD__SD2_CMD             0x170b9
+                       MX6QDL_PAD_SD2_CLK__SD2_CLK             0x100b9
+                       MX6QDL_PAD_SD2_DAT0__SD2_DATA0          0x170b9
+                       MX6QDL_PAD_SD2_DAT1__SD2_DATA1          0x170b9
+                       MX6QDL_PAD_SD2_DAT2__SD2_DATA2          0x170b9
+                       MX6QDL_PAD_SD2_DAT3__SD2_DATA3          0x170b9
+               >;
+       };
+
+       pinctrl_wifi_npd: wifinpd {
+               fsl,pins = <
+                       /* WL_REG_ON */
+                       MX6QDL_PAD_NANDF_RB0__GPIO6_IO10        0x13069
+               >;
+       };
+};