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Message-ID: <BY1PR02MB1114B9B363091FC26668E454E7480@BY1PR02MB1114.namprd02.prod.outlook.com>
Date: Wed, 27 Jun 2018 08:42:17 +0000
From: Ben Whitten <Ben.Whitten@...rdtech.com>
To: "alexandre.belloni@...tlin.com" <alexandre.belloni@...tlin.com>,
"nicolas.ferre@...rochip.com" <nicolas.ferre@...rochip.com>
CC: "robh+dt@...nel.org" <robh+dt@...nel.org>,
"mark.rutland@....com" <mark.rutland@....com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
Ben Whitten <ben.whitten@...il.com>
Subject: RE: [PATCH v2 4/6] arm: dts: add support for Laird WB50N cpu module
and DVK
Hi Alexandre,
As you are planning a clock binding rework and this patch in the series
needs a change to account for that, do you want me to re-submit after
your series or are we good to go as is?
Thanks,
Ben
> This adds support for Lairds CPU module, featuring Atheros wifi, CSR
> Bluetooth and, Atmel SAMA5D3 CPU.
> https://www.lairdtech.com/products/wb50nbt-wi-fi-bluetooth-module
>
> Signed-off-by: Ben Whitten <ben.whitten@...rdtech.com>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/at91-wb50n.dts | 112 +++++++++++++++++++++
> arch/arm/boot/dts/at91-wb50n.dtsi | 198
> ++++++++++++++++++++++++++++++++++++++
> 3 files changed, 311 insertions(+)
> create mode 100644 arch/arm/boot/dts/at91-wb50n.dts
> create mode 100644 arch/arm/boot/dts/at91-wb50n.dtsi
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 04604d2..07823be 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -52,6 +52,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \
> at91-sama5d2_xplained.dtb \
> at91-sama5d3_xplained.dtb \
> at91-tse850-3.dtb \
> + at91-wb50n.dtb \
> sama5d31ek.dtb \
> sama5d33ek.dtb \
> sama5d34ek.dtb \
> diff --git a/arch/arm/boot/dts/at91-wb50n.dts b/arch/arm/boot/dts/at91-
> wb50n.dts
> new file mode 100644
> index 0000000..8cecc70
> --- /dev/null
> +++ b/arch/arm/boot/dts/at91-wb50n.dts
> @@ -0,0 +1,112 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * at91-wb50n.dts - Device Tree file for wb50n evaluation board
> + *
> + * Copyright (C) 2018 Laird
> + *
> + */
> +
> +/dts-v1/;
> +#include "at91-wb50n.dtsi"
> +
> +/ {
> + model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
> + compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3",
> "atmel,sama5";
> +
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + btn0@10 {
> + reg = <10>;
> + label = "BTNESC";
> + linux,code = <1>; /* ESC button */
> + gpios = <&pioA 10 GPIO_ACTIVE_LOW>;
> + gpio-key,wakeup = <1>;
> + };
> +
> + irqbtn@31 {
> + reg = <31>;
> + label = "IRQBTN";
> + linux,code = <99>; /* SysReq button */
> + gpios = <&pioE 31 GPIO_ACTIVE_LOW>;
> + gpio-key,wakeup = <1>;
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + led0 {
> + label = "wb50n:blue:led0";
> + gpios = <&pioA 12 GPIO_ACTIVE_LOW>;
> + default-state = "off";
> + };
> +
> + led1 {
> + label = "wb50n:green:led1";
> + gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
> + default-state = "off";
> + };
> +
> + led2 {
> + label = "wb50n:red:led2";
> + gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
> + default-state = "off";
> + };
> + };
> +};
> +
> +&watchdog {
> + status = "okay";
> +};
> +
> +&mmc0 {
> + status = "okay";
> +};
> +
> +&macb1 {
> + status = "okay";
> +};
> +
> +&dbgu {
> + status = "okay";
> +};
> +
> +/* On BB40 this port is labeled UART1 */
> +&usart0 {
> + status = "okay";
> +};
> +
> +/* On BB40 this port is labeled UART0 */
> +&usart1 {
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
> +};
> +
> +&spi1 {
> + status = "okay";
> +
> + spidev@0 {
> + compatible = "spidev";
> + reg = <0>;
> + spi-max-frequency = <8000000>;
> + };
> +};
> +
> +&usb0 {
> + status = "okay";
> +};
> +
> +&usb1 {
> + status = "okay";
> +};
> +
> +&usb2 {
> + status = "okay";
> +};
> +
> diff --git a/arch/arm/boot/dts/at91-wb50n.dtsi b/arch/arm/boot/dts/at91-
> wb50n.dtsi
> new file mode 100644
> index 0000000..85692c8
> --- /dev/null
> +++ b/arch/arm/boot/dts/at91-wb50n.dtsi
> @@ -0,0 +1,198 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * at91-wb50n.dtsi - Device Tree include file for wb50n cpu module
> + *
> + * Copyright (C) 2018 Laird
> + *
> + */
> +
> +#include "sama5d31.dtsi"
> +
> +/ {
> + model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
> + compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3",
> "atmel,sama5";
> +
> + chosen {
> + bootargs = "ubi.mtd=6 root=ubi0:rootfs rootfstype=ubifs
> rw";
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory {
> + reg = <0x20000000 0x4000000>;
> + };
> +};
> +
> +&pinctrl {
> + board {
> + pinctrl_mmc0_cd: mmc0_cd {
> + atmel,pins = <AT91_PIOC 26 AT91_PERIPH_GPIO
> AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC26 GPIO with pullup deglitch */
> + };
> +
> + pinctrl_usba_vbus: usba_vbus {
> + atmel,pins = <AT91_PIOB 13 AT91_PERIPH_GPIO
> AT91_PINCTRL_DEGLITCH>; /* PB13 GPIO with deglitch */
> + };
> + };
> +};
> +
> +&slow_xtal {
> + clock-frequency = <32768>;
> +};
> +
> +&main_xtal {
> + clock-frequency = <12000000>;
> +};
> +
> +&slow_osc {
> + atmel,osc-bypass;
> +};
> +
> +&usart1_clk {
> + atmel,clk-output-range = <0 132000000>;
> +};
> +
> +&mmc0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3
> &pinctrl_mmc0_cd>;
> + cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>;
> + slot@0 {
> + reg = <0>;
> + bus-width = <4>;
> + };
> +};
> +
> +&mmc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
> + status = "okay";
> + atheros@0 {
> + compatible = "atheros,ath6kl";
> + atheros,board-id = "SD32";
> + reg = <0>;
> + bus-width = <4>;
> + };
> +};
> +
> +&macb1 {
> + phy-mode = "rmii";
> +};
> +
> +&dbgu {
> + dmas = <0>, <0>; /* Do not use DMA for dbgu */
> +};
> +
> +/* On BB40 this port is labeled UART1 */
> +&usart0 {
> + atmel,use-dma-rx;
> + atmel,use-dma-tx;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts_cts>;
> +};
> +
> +/* On BB40 this port is labeled UART0 */
> +&usart1 {
> + atmel,use-dma-rx;
> + atmel,use-dma-tx;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
> + dtr-gpios = <&pioD 13 GPIO_ACTIVE_LOW>;
> + dsr-gpios = <&pioD 11 GPIO_ACTIVE_LOW>;
> + dcd-gpios = <&pioD 7 GPIO_ACTIVE_LOW>;
> + rng-gpios = <&pioD 8 GPIO_ACTIVE_LOW>;
> +};
> +
> +/* USART3 is direct-connect to the Bluetooth UART on the radio SIP */
> +&usart3 {
> + atmel,use-dma-rx;
> + atmel,use-dma-tx;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>;
> + status = "okay";
> +};
> +
> +&spi1 {
> + cs-gpios = <&pioC 25 0>, <0>, <0>, <0>;
> +};
> +
> +&ebi {
> + pinctrl-0 = <&pinctrl_ebi_nand_addr>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&nand_controller {
> + status = "okay";
> +
> + nand: nand@3 {
> + reg = <0x3 0x0 0x2>;
> + atmel,rb = <0>;
> + nand-bus-width = <8>;
> + nand-ecc-mode = "hw";
> + nand-ecc-strength = <8>;
> + nand-ecc-step-size = <512>;
> + nand-on-flash-bbt;
> + label = "atmel_nand";
> +
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + at91bootstrap@0 {
> + label = "at91bs";
> + reg = <0x0 0x20000>;
> + };
> +
> + uboot@...00 {
> + label = "u-boot";
> + reg = <0x20000 0x80000>;
> + };
> +
> + ubootenv@...00 {
> + label = "u-boot-env";
> + reg = <0xa0000 0x20000>;
> + };
> +
> + ubootenv@...00 {
> + label = "u-boot-env";
> + reg = <0xc0000 0x20000>;
> + };
> +
> + kernel-a@...00 {
> + label = "kernel-a";
> + reg = <0xe0000 0x500000>;
> + };
> +
> + kernel-b@...000 {
> + label = "kernel-b";
> + reg = <0x5e0000 0x500000>;
> + };
> +
> + rootfs-a@...000 {
> + label = "rootfs-a";
> + reg = <0xae0000 0x3000000>;
> + };
> +
> + rootfs-b@...0000 {
> + label = "rootfs-b";
> + reg = <0x3ae0000 0x3000000>;
> + };
> +
> + user@...0000 {
> + label = "user";
> + reg = <0x6ae0000 0x14e0000>;
> + };
> + };
> + };
> +};
> +
> +&usb0 {
> + atmel,vbus-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usba_vbus>;
> +};
> +
> +&usb1 {
> + num-ports = <3>;
> + atmel,vbus-gpio = <&pioA 2 GPIO_ACTIVE_LOW>;
> + atmel,oc-gpio = <&pioA 4 GPIO_ACTIVE_LOW>;
> +};
> --
> 2.7.4
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