[PATCH v2] ARM: dts: ls1021a: add support for Moxa UC-8410A open platform

Shawn Guo shawnguo at kernel.org
Mon Dec 25 19:55:59 PST 2017


On Mon, Dec 11, 2017 at 07:51:25PM +0800, SZ Lin wrote:
> Add support for Moxa UC-8410A open platform
> 
> The UC-8410A computing platform is designed
> for embedded communication-centric industrial applications
> 
> The features of UC-8410A are:
> * QSPI flash
> * SD slot
> * 3x LAN
> * 8x RS-232/422/485 ports, software-selectable
> * Mini PCIe form factor with PCIe/USB signal
> * 2x USB host
> * TPM
> * Watchdog
> * RTC
> * User LEDs
> * Beeper
> * Push button
> 
> Signed-off-by: Jimmy Chen <jimmy.chen at moxa.com>
> Signed-off-by: Harry YJ Jhou <harryyj.jhou at moxa.com>
> Signed-off-by: SZ Lin <sz.lin at moxa.com>
> 
> --
> Changes from v1:
> - Add newline between nodes
> - Add push button node
> - Insert newline between property list and child node
> - Include file of "include/dt-bindings/gpio/gpio.h"
> - Include file of "include/dt-bindings/input/input.h"
> - Use polartiy defines for gpios to make it more readable
> - Put 'status' at the end of property list
> - Change GPIO pin number in cel_pwr and cel_reset
> - Sort the labeled node alphabetically
> - Drop container node of regulator and put fixed regulator directly
>   under root
> ---
>  arch/arm/boot/dts/Makefile                  |   1 +
>  arch/arm/boot/dts/ls1021a-moxa-uc-8410a.dts | 241 ++++++++++++++++++++++++++++
>  2 files changed, 242 insertions(+)
>  create mode 100644 arch/arm/boot/dts/ls1021a-moxa-uc-8410a.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index d0381e9caf21..62ce9b27ad30 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -520,6 +520,7 @@ dtb-$(CONFIG_SOC_IMX7D) += \
>  	imx7s-colibri-eval-v3.dtb \
>  	imx7s-warp.dtb
>  dtb-$(CONFIG_SOC_LS1021A) += \
> +	ls1021a-moxa-uc-8410a.dtb \
>  	ls1021a-qds.dtb \
>  	ls1021a-twr.dtb
>  dtb-$(CONFIG_SOC_VF610) += \
> diff --git a/arch/arm/boot/dts/ls1021a-moxa-uc-8410a.dts b/arch/arm/boot/dts/ls1021a-moxa-uc-8410a.dts
> new file mode 100644
> index 000000000000..bc73b5187990
> --- /dev/null
> +++ b/arch/arm/boot/dts/ls1021a-moxa-uc-8410a.dts
> @@ -0,0 +1,241 @@
> +/*
> + * Copyright (C) 2017 Moxa Inc. - https://www.moxa.com/
> + *
> + * Author: Harry YJ Jhou (周亞諄) <harryyj.jhou at moxa.com>
> + *         Jimmy Chen (陳永達)    <jimmy.chen at moxa.com>
> + *         SZ Lin (林上智)        <sz.lin at moxa.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include "ls1021a.dtsi"
> +
> +/ {
> +	model = "Moxa UC-8410A";
> +
> +	aliases {
> +		enet0_rgmii_phy = &rgmii_phy0;
> +		enet1_rgmii_phy = &rgmii_phy1;
> +		enet2_rgmii_phy = &rgmii_phy2;
> +	};
> +
> +	sys_mclk: clock-mclk {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <24576000>;
> +	};
> +
> +	reg_3p3v: regulator-3p3v {
> +		  compatible = "regulator-fixed";
> +		  regulator-name = "3P3V";
> +		  regulator-min-microvolt = <3300000>;
> +		  regulator-max-microvolt = <3300000>;
> +		  regulator-always-on;
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		cel_pwr {

We generally use hyphen rather than underscore in node name.

> +			label = "UC8410A:CEL-PWR";
> +			gpios = <&gpio3 27 GPIO_ACTIVE_LOW>;
> +			default-state = "off";
> +		};
> +
> +		cel_reset {
> +			label = "UC8410A:CEL-RESET";
> +			gpios = <&gpio3 28 GPIO_ACTIVE_LOW>;
> +			default-state = "off";
> +		};
> +
> +		str_led {
> +			label = "UC8410A:RED:PROG";
> +			gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "mmc0";
> +		};
> +
> +		sw_ready {
> +			label = "UC8410A:GREEN:SWRDY";
> +			gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>;
> +			default-state = "on";
> +		};
> +
> +		beeper {
> +			label = "UC8410A:BEEP";
> +			gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		prog_led0 {
> +			label = "UC8410A:GREEN:PROG2";
> +			gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		prog_led1 {
> +			label = "UC8410A:GREEN:PROG1";
> +			gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		prog_led2 {
> +			label = "UC8410A:GREEN:PROG0";
> +			gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		wifi_signal0 {
> +			label = "UC8410A:GREEN:CEL2";
> +			gpios = <&gpio3 17 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		wifi_signal1 {
> +			label = "UC8410A:GREEN:CEL1";
> +			gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		wifi_signal2 {
> +			label = "UC8410A:GREEN:CEL0";
> +			gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		cpu_diag_red {
> +			label = "UC8410A:RED:DIA";
> +			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		cpu_diag_green {
> +			label = "UC8410A:GREEN:DIA";
> +			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		cpu_diag_yellow {
> +			label = "UC8410A:YELLOW:DIA";
> +			gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +
> +		pushbtn-key {
> +			label = "push button key";
> +			gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
> +			linux,code = <BTN_MISC>;
> +			default-state = "on";
> +		};
> +	};
> +};
> +
> +&enet0 {
> +	phy-handle = <&rgmii_phy0>;
> +	phy-connection-type = "rgmii-id";
> +	status = "okay";
> +};
> +
> +&enet1 {
> +	phy-handle = <&rgmii_phy1>;
> +	phy-connection-type = "rgmii-id";
> +	status = "okay";
> +};
> +
> +&enet2 {
> +	phy-handle = <&rgmii_phy2>;
> +	phy-connection-type = "rgmii-id";
> +	status = "okay";
> +};
> +
> +&i2c0 {
> +	clock-frequency = <100000>;
> +	status = "okay";
> +
> +	rtc {

Nodes with 'reg' property should have a match unit-address after node name.

> +		compatible = "dallas,ds1374";
> +		reg = <0x68>;
> +	};
> +
> +	tpm {

Sort nodes with unit-address in order of the address.

> +		compatible = "infineon,slb9635tt";
> +		reg = <0x20>;
> +	};
> +};
> +
> +&lpuart0 {
> +	status = "okay";
> +};
> +
> +&mdio0 {
> +	rgmii_phy0: ethernet-phy at 0 {
> +		compatible = "marvell,88e1118";
> +		reg = <0x0>;
> +		marvell,reg-init =
> +			<3 0x11 0 0x4415>, /* Reg 3,17 */
> +			<3 0x10 0 0x77>; /* Reg 3,16 */
> +	};
> +
> +	rgmii_phy1: ethernet-phy at 1 {
> +		compatible = "marvell,88e1118";
> +		reg = <0x1>;
> +		marvell,reg-init =
> +			<3 0x11 0 0x4415>, /* Reg 3,17 */
> +			<3 0x10 0 0x77>; /* Reg 3,16 */
> +	};
> +
> +	rgmii_phy2: ethernet-phy at 2 {
> +		compatible = "marvell,88e1118";
> +		reg = <0x2>;
> +		marvell,reg-init =
> +			<3 0x11 0 0x4415>, /* Reg 3,17 */
> +			<3 0x10 0 0x77>; /* Reg 3,16 */
> +	};
> +};
> +
> +&qspi {
> +	bus-num = <0>;
> +	fsl,spi-num-chipselects = <2>;
> +	fsl,spi-flash-chipselects = <0>;
> +	fsl,qspi-has-second-chip;
> +	status = "okay";
> +
> +	flash: flash at 0 {
> +		compatible = "spansion,s25fl064l", "spansion,s25fl164k";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		spi-max-frequency = <20000000>;
> +		reg = <0>;
> +
> +		partitions at 0 {
> +			label = "U-Boot";
> +			reg = <0x0 0x180000>;
> +		};
> +
> +		partitions at 1 {

The unit-address doesn't match 'reg' property.

Shawn

> +			label = "U-Boot Env";
> +			reg = <0x180000 0x680000>;
> +		};
> +	};
> +};
> +
> +&sata {
> +	status = "okay";
> +};
> +
> +&uart0 {
> +	status = "okay";
> +};
> +
> +&uart1 {
> +	status = "okay";
> +};
> -- 
> 2.15.1
> 



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