[PATCH] ARM: dts: imx5: Add dts files for USB armory.
Shawn Guo
shawn.guo at linaro.org
Mon Apr 27 01:14:29 PDT 2015
On Fri, Mar 27, 2015 at 01:23:00PM -0700, Vagrant Cascadian wrote:
> Add support for the USB armory board by Inverse Path. This board
> features a Freescale iMX53 SoC, 512MB RAM, and USB OTG operating in
> either peripheral or host mode, and 5 GPIO pins.
>
> One .dtb is generated for operating in peripheral mode, and one is
> generated for operating in host mode.
Is it possible to ask bootloader to patch the dtb instead of maintaining
a new one for just changing one USB property?
>
> Signed-off-by: Vagrant Cascadian <vagrant at debian.org>
> Cc: Andrej Rosano <andrej at inversepath.com>
> Cc: Rob Herring <robh+dt at kernel.org>
> Cc: Pawel Moll <pawel.moll at arm.com>
> Cc: Mark Rutland <mark.rutland at arm.com>
> Cc: Ian Campbell <ijc+devicetree at hellion.org.uk>
> Cc: Kumar Gala <galak at codeaurora.org>
> Cc: Russell King <linux at arm.linux.org.uk>
> Cc: Shawn Guo <shawn.guo at linaro.org>
> Cc: Sascha Hauer <kernel at pengutronix.de>
> Cc: devicetree at vger.kernel.org
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> ---
> arch/arm/boot/dts/Makefile | 2 +
> arch/arm/boot/dts/imx53-usbarmory-host_mode.dts | 17 +++
> arch/arm/boot/dts/imx53-usbarmory.dts | 13 ++
> arch/arm/boot/dts/imx53-usbarmory.dtsi | 183 ++++++++++++++++++++++++
> 4 files changed, 215 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx53-usbarmory-host_mode.dts
> create mode 100644 arch/arm/boot/dts/imx53-usbarmory.dts
> create mode 100644 arch/arm/boot/dts/imx53-usbarmory.dtsi
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index a1c776b..bd2258b 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -244,6 +244,8 @@ dtb-$(CONFIG_SOC_IMX53) += \
> imx53-smd.dtb \
> imx53-tx53-x03x.dtb \
> imx53-tx53-x13x.dtb \
> + imx53-usbarmory.dtb \
> + imx53-usbarmory-host_mode.dtb \
> imx53-voipac-bsb.dtb
> dtb-$(CONFIG_SOC_IMX6Q) += \
> imx6dl-aristainetos_4.dtb \
> diff --git a/arch/arm/boot/dts/imx53-usbarmory-host_mode.dts b/arch/arm/boot/dts/imx53-usbarmory-host_mode.dts
> new file mode 100644
> index 0000000..a94cb1d
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx53-usbarmory-host_mode.dts
> @@ -0,0 +1,17 @@
> +/*
> + * Copyright 2015 Inverse Path, S.r.l.
> + *
> + * The code contained herein is licensed under the GNU General Public
> + * License. You may obtain a copy of the GNU General Public License
> + * Version 2 or later at the following locations:
> + *
> + * http://www.opensource.org/licenses/gpl-license.html
> + * http://www.gnu.org/copyleft/gpl.html
> + */
For new dts file, we suggest to use GPL/X11 dual-license for considering
non-Linux device tree users. Below is an example.
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/imx6q-hummingboard.dts
> +
> +/dts-v1/;
> +#include "imx53-usbarmory.dtsi"
> +
> +&usbotg {
> + dr_mode = "host";
> +};
> diff --git a/arch/arm/boot/dts/imx53-usbarmory.dts b/arch/arm/boot/dts/imx53-usbarmory.dts
> new file mode 100644
> index 0000000..c86a4d8
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx53-usbarmory.dts
> @@ -0,0 +1,13 @@
> +/*
> + * Copyright 2015 Inverse Path, S.r.l.
> + *
> + * The code contained herein is licensed under the GNU General Public
> + * License. You may obtain a copy of the GNU General Public License
> + * Version 2 or later at the following locations:
> + *
> + * http://www.opensource.org/licenses/gpl-license.html
> + * http://www.gnu.org/copyleft/gpl.html
> + */
> +
> +/dts-v1/;
> +#include "imx53-usbarmory.dtsi"
> diff --git a/arch/arm/boot/dts/imx53-usbarmory.dtsi b/arch/arm/boot/dts/imx53-usbarmory.dtsi
> new file mode 100644
> index 0000000..b4a9052
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx53-usbarmory.dtsi
> @@ -0,0 +1,183 @@
> +/*
> + * Copyright 2015 Inverse Path, S.r.l.
> + *
> + * The code contained herein is licensed under the GNU General Public
> + * License. You may obtain a copy of the GNU General Public License
> + * Version 2 or later at the following locations:
> + *
> + * http://www.opensource.org/licenses/gpl-license.html
> + * http://www.gnu.org/copyleft/gpl.html
> + */
> +
> +#include "imx53.dtsi"
> +
> +/ {
> + model = "Inverse Path USB armory";
> + compatible = "inversepath,imx53-usbarmory", "fsl,imx53";
> +};
> +
> +/ {
> + chosen {
> + stdout-path = &uart1;
> + };
> +
> + memory {
> + reg = <0x70000000 0x20000000>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&led_pin_gpio4_27>;
> +
> + user {
> + label = "LED";
> + gpios = <&gpio4 27 0>;
> + linux,default-trigger = "heartbeat";
> + };
> + };
> +};
> +
> +&esdhc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_esdhc1>;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hog>;
> +
> + imx53-usbarmory {
> + pinctrl_hog: hoggrp {
> + fsl,pins = <
> + MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK 0x80000000
> + MX53_PAD_GPIO_8__GPIO1_8 0x80000000
> + MX53_PAD_PATA_DATA14__GPIO2_14 0x80000000
> + MX53_PAD_PATA_DATA15__GPIO2_15 0x80000000
> + MX53_PAD_EIM_DA11__GPIO3_11 0x80000000
> + MX53_PAD_EIM_DA12__GPIO3_12 0x80000000
> + MX53_PAD_PATA_DA_0__GPIO7_6 0x80000000
> + MX53_PAD_PATA_DA_2__GPIO7_8 0x80000000
> + MX53_PAD_GPIO_16__GPIO7_11 0x80000000
Please use a proper pad configuration value instead of using whatever
comes from firmware.
> + >;
> + };
> +
> + led_pin_gpio4_27: led_gpio4_27 at 0 {
> + fsl,pins = <
> + MX53_PAD_DISP0_DAT6__GPIO4_27 0x80000000
Ditto
> + >;
> + };
> +
> + pinctrl_esdhc1: esdhc1grp {
> + fsl,pins = <
> + MX53_PAD_SD1_DATA0__ESDHC1_DAT0 0x1d5
> + MX53_PAD_SD1_DATA1__ESDHC1_DAT1 0x1d5
> + MX53_PAD_SD1_DATA2__ESDHC1_DAT2 0x1d5
> + MX53_PAD_SD1_DATA3__ESDHC1_DAT3 0x1d5
> + MX53_PAD_SD1_CMD__ESDHC1_CMD 0x1d5
> + MX53_PAD_SD1_CLK__ESDHC1_CLK 0x1d5
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX53_PAD_CSI0_DAT8__I2C1_SDA 0xc0000000
> + MX53_PAD_CSI0_DAT9__I2C1_SCL 0xc0000000
Ditto
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1e4
> + MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1e4
> + >;
> + };
> + };
> +};
> +
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +&vpu {
> + status = "okay";
> +};
This is unnecessary, as vpu block is always enabled in imx53.dtsi.
> +
> +&usbotg {
> + dr_mode = "peripheral";
> + status = "okay";
> +};
> +
> +&i2c1 {
Please sort the node alphabetically in label names.
> + ltc3589: pmic at 34 {
> + compatible = "lltc,ltc3589-2";
> + reg = <0x34>;
> +
> + regulators {
> + sw1_reg: sw1 {
> + regulator-min-microvolt = <591930>;
> + regulator-max-microvolt = <1224671>;
> + lltc,fb-voltage-divider = <100000 158000>;
> + regulator-ramp-delay = <7000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + sw2_reg: sw2 {
> + regulator-min-microvolt = <704123>;
> + regulator-max-microvolt = <1456803>;
> + lltc,fb-voltage-divider = <180000 191000>;
> + regulator-ramp-delay = <7000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + sw3_reg: sw3 {
> + regulator-min-microvolt = <1341250>;
> + regulator-max-microvolt = <2775000>;
> + lltc,fb-voltage-divider = <270000 100000>;
> + regulator-ramp-delay = <7000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + bb_out_reg: bb-out {
> + regulator-min-microvolt = <3387341>;
> + regulator-max-microvolt = <3387341>;
> + lltc,fb-voltage-divider = <511000 158000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
Miss a new line here.
Shawn
> + ldo1_reg: ldo1 {
> + regulator-min-microvolt = <1306329>;
> + regulator-max-microvolt = <1306329>;
> + lltc,fb-voltage-divider = <100000 158000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo2_reg: ldo2 {
> + regulator-min-microvolt = <704123>;
> + regulator-max-microvolt = <1456806>;
> + lltc,fb-voltage-divider = <180000 191000>;
> + regulator-ramp-delay = <7000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo3_reg: ldo3 {
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + regulator-boot-on;
> + };
> +
> + ldo4_reg: ldo4 {
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <3200000>;
> + };
> + };
> + };
> +};
> --
> 2.1.4
>
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