ARM: dts: add DT for CIAA LPC4337 industrial computer

Add basic support for CIAA (Argentine Open Industrial Computer)
LPC4337 board. This commit enables the following peripherals:
  * UART
  * SSP
  * Ethernet

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Joachim Eastwood <manabian@gmail.com>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 246473a244f64736234a9973f754b8d488945908..d43f55034eedcdb8c463f9e6d21e3e4ee5e7866e 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -211,6 +211,7 @@ dtb-$(CONFIG_MACH_KIRKWOOD) += \
        kirkwood-ts419-6281.dtb \
        kirkwood-ts419-6282.dtb
 dtb-$(CONFIG_ARCH_LPC18XX) += \
+       lpc4337-ciaa.dtb \
        lpc4350-hitex-eval.dtb \
        lpc4357-ea4357-devkit.dtb
 dtb-$(CONFIG_ARCH_LPC32XX) += \

diff --git a/arch/arm/boot/dts/lpc4337-ciaa.dts b/arch/arm/boot/dts/lpc4337-ciaa.dts
new file mode 100644 (file)
index 0000000..5f500c1
--- /dev/null
+++ b/arch/arm/boot/dts/lpc4337-ciaa.dts
@@ -0,0 +1,187 @@
+/*
+ * CIAA NXP LPC4337 (http://www.proyecto-ciaa.com.ar)
+ *
+ * Copyright (C) 2015 VanguardiaSur - www.vanguardiasur.com.ar
+ *
+ * This code is released using a dual license strategy: BSD/GPL
+ * You can choose the licence that better fits your requirements.
+ *
+ * Released under the terms of 3-clause BSD License
+ * Released under the terms of GNU General Public License Version 2.0
+ */
+/dts-v1/;
+
+#include "lpc18xx.dtsi"
+#include "lpc4357.dtsi"
+
+#include "dt-bindings/gpio/gpio.h"
+
+/ {
+       model = "CIAA NXP LPC4337";
+       compatible = "ciaa,lpc4337", "nxp,lpc4337", "nxp,lpc4350";
+
+       aliases {
+               serial0 = &uart2;
+               serial1 = &uart3;
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,115200 earlyprintk";
+               stdout-path = &uart2;
+       };
+
+       memory {
+               device_type = "memory";
+               reg = <0x28000000 0x0800000>; /* 8 MB */
+       };
+};
+
+&pinctrl {
+       enet_rmii_pins: enet-rmii-pins {
+               enet_rmii_rxd_cfg {
+                       pins = "p1_15", "p0_0";
+                       function = "enet";
+                       slew-rate = <1>;
+                       bias-disable;
+                       input-enable;
+                       input-schmitt-disable;
+               };
+
+               enet_rmii_txd_cfg {
+                       pins = "p1_18", "p1_20";
+                       function = "enet";
+                       slew-rate = <1>;
+                       bias-disable;
+                       input-enable;
+                       input-schmitt-disable;
+               };
+
+               enet_rmii_rx_dv_cfg {
+                       pins = "p1_16";
+                       function = "enet";
+                       bias-disable;
+                       input-enable;
+                       input-schmitt-disable;
+               };
+
+               enet_rmii_tx_en_cfg {
+                       pins = "p0_1";
+                       function = "enet";
+                       bias-disable;
+                       input-enable;
+                       input-schmitt-disable;
+               };
+
+               enet_ref_clk_cfg {
+                       pins = "p1_19";
+                       function = "enet";
+                       slew-rate = <1>;
+                       bias-disable;
+                       input-enable;
+                       input-schmitt-disable;
+               };
+
+               enet_mdio_cfg {
+                       pins = "p1_17";
+                       function = "enet";
+                       bias-disable;
+                       input-enable;
+                       input-schmitt-disable;
+               };
+
+               enet_mdc_cfg {
+                       pins = "p7_7";
+                       function = "enet";
+                       slew-rate = <1>;
+                       bias-disable;
+                       input-enable;
+                       input-schmitt-disable;
+               };
+       };
+
+       ssp_pins: ssp-pins {
+               ssp1_cs {
+                       pins = "p6_7";
+                       function = "gpio";
+                       bias-pull-up;
+                       bias-disable;
+               };
+
+               ssp1_miso_mosi {
+                       pins = "p1_3", "p1_4";
+                       function = "ssp1";
+                       slew-rate = <1>;
+                       bias-pull-down;
+                       input-enable;
+                       input-schmitt-disable;
+               };
+
+               ssp1_sck {
+                       pins = "pf_4";
+                       function = "ssp1";
+                       slew-rate = <1>;
+                       bias-disable;
+               };
+       };
+
+       uart2_pins: uart2-pins {
+               uart2_rx_cfg {
+                       pins = "p7_2";
+                       function = "uart2";
+                       bias-disable;
+                       input-enable;
+               };
+
+               uart2_tx_cfg {
+                       pins = "p7_1";
+                       function = "uart2";
+                       bias-disable;
+               };
+       };
+
+       uart3_pins: uart3-pins {
+               uart3_rx_cfg {
+                       pins = "p2_4";
+                       function = "uart3";
+                       bias-disable;
+                       input-enable;
+               };
+
+               uart3_tx_cfg {
+                       pins = "p2_3";
+                       function = "uart3";
+                       bias-disable;
+               };
+       };
+};
+
+&enet_tx_clk {
+       clock-frequency = <50000000>;
+};
+
+&mac {
+       status = "okay";
+       phy-mode = "rmii";
+       pinctrl-names = "default";
+       pinctrl-0 = <&enet_rmii_pins>;
+};
+
+&ssp1 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&ssp_pins>;
+       cs-gpios = <&gpio LPC_GPIO(5,15) GPIO_ACTIVE_HIGH>;
+       num-cs = <1>;
+};
+
+&uart2 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart2_pins>;
+};
+
+&uart3 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart3_pins>;
+};