at91: add support for the WB50N module from Laird
authorBen Whitten <ben.whitten@gmail.com>
Wed, 28 Jun 2017 10:28:12 +0000 (11:28 +0100)
committerHauke Mehrtens <hauke@hauke-m.de>
Sat, 14 Oct 2017 22:24:21 +0000 (00:24 +0200)
This module from Laird includes the following:
  - CPU Atmel SoC SAMA5D31
  - Wifi QCA6004
  - Bluetooth CSR8811
  - RAM 64MB LPDDR
  - FLASH 128MB

The flash is a dual image layout, kernel a/b, rootfs a/b, and a user
partition.

Signed-off-by: Ben Whitten <ben.whitten@gmail.com>
target/linux/at91/files/arch/arm/boot/dts/wb50n.dts [new file with mode: 0644]
target/linux/at91/files/arch/arm/boot/dts/wb50n.dtsi [new file with mode: 0644]
target/linux/at91/image/sama5.mk
target/linux/at91/patches-4.4/103-ARM-at91-build-dtb-for-wb50n.patch [new file with mode: 0644]

diff --git a/target/linux/at91/files/arch/arm/boot/dts/wb50n.dts b/target/linux/at91/files/arch/arm/boot/dts/wb50n.dts
new file mode 100644 (file)
index 0000000..9c28a21
--- /dev/null
@@ -0,0 +1,117 @@
+/*
+ * wb50n.dts - Device Tree file for wb50n board
+ *
+ *  Copyright (C) 2015 Laird
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+#include "wb50n.dtsi"
+
+/ {
+       model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
+       compatible = "laird,wb50n", "atmel,sama5d31ek", "atmel,sama5d3xmb", "atmel,sama5d3xcm", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
+
+       chosen {
+               bootargs = "console=ttyS0,115200 earlyprintk loglevel=4 mem=64M";
+       };
+
+       ahb {
+
+               apb {
+                       mmc0: mmc@f0000000 {
+                               status = "okay";
+                       };
+
+                       macb1: ethernet@f802c000 {
+                               status = "okay";
+                       };
+
+                       dbgu: serial@ffffee00 {
+                               status = "okay";
+                       };
+
+                       /* On BB40 this port is labeled UART1 */
+                       usart0: serial@f001c000 {
+                               status = "okay";
+                       };
+
+                       /* On BB40 this port is labeled UART0 */
+                       usart1: serial@f0020000 {
+                               status = "okay";
+                       };
+
+                       i2c0: i2c@f0014000 {
+                               status = "okay";
+                       };
+
+                       spi1: spi@f8008000 {
+                               status = "okay";
+
+                               spidev@0 {
+                                         compatible = "spidev";
+                                         reg = <0>;
+                                         spi-max-frequency = <8000000>;
+                                };
+                       };
+
+                       watchdog@fffffe40 {
+                               status = "okay";
+                       };
+               };
+
+               usb0: gadget@00500000 {
+                       status = "okay";
+               };
+
+               usb1: ohci@00600000 {
+                       status = "okay";
+               };
+
+               usb2: ehci@00700000 {
+                       status = "okay";
+               };
+
+       };
+
+       gpio_keys {
+               compatible = "gpio-keys";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               btn0@pa10 {
+                       label = "BTNESC";
+                       linux,code = <1>; /* ESC button */
+                       gpios = <&pioA 10 GPIO_ACTIVE_LOW>;
+                       gpio-key,wakeup = <1>;
+               };
+
+               irqbtn@pe31 {
+                       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";
+        };
+    };
+};
diff --git a/target/linux/at91/files/arch/arm/boot/dts/wb50n.dtsi b/target/linux/at91/files/arch/arm/boot/dts/wb50n.dtsi
new file mode 100644 (file)
index 0000000..8d30424
--- /dev/null
@@ -0,0 +1,205 @@
+/*
+ * wb50n.dts - Device Tree file for wb50n board
+ *
+ *  Copyright (C) 2015 Laird
+ *
+ * Licensed under GPLv2 or later.
+ */
+#include "sama5d31.dtsi"
+
+/ {
+       model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
+       compatible = "laird,wb50n", "atmel,sama5d31ek", "atmel,sama5d3xmb", "atmel,sama5d3xcm", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
+
+       chosen {
+               bootargs = "console=ttyS0,115200 earlyprintk loglevel=4 mem=64M";
+       };
+
+       memory {
+               reg = <0x20000000 0x4000000>;
+       };
+
+       clocks {
+               slow_xtal {
+                       clock-frequency = <32768>;
+               };
+
+               main_xtal {
+                       clock-frequency = <12000000>;
+               };
+       };
+
+       ahb {
+
+               apb {
+                       pmc: pmc@fffffc00 {
+                               main: mainck {
+                                       clock-frequency = <12000000>;
+                               };
+
+                               periphck {
+                                       usart1_clk: usart1_clk {
+                                               #clock-cells = <0>;
+                                               reg = <13>;
+                                               atmel,clk-output-range = <0 132000000>;
+                                       };
+                               };
+                       };
+
+                       pinctrl@fffff200 {
+                               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 */
+                                       };
+                               };
+                       };
+
+                       mmc0: mmc@f0000000 {
+                               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: mmc@f8000000 {
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
+                               status = "okay";
+                               slot@0 {
+                                       reg = <0>;
+                                       bus-width = <4>;
+                               };
+                       };
+
+                       macb1: ethernet@f802c000 {
+                               phy-mode = "rmii";
+                       };
+
+
+                       dbgu: serial@ffffee00 {
+                               dmas = <0>, <0>;        /*  Do not use DMA for dbgu */
+                       };
+
+                       /* On BB40 this port is labeled UART1 */
+                       usart0: serial@f001c000 {
+                               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: serial@f0020000 {
+                               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: serial@f8024000 {
+                               atmel,use-dma-rx;
+                               atmel,use-dma-tx;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>;
+                               status = "okay";
+                       };
+
+                       spi1: spi@f8008000 {
+                               cs-gpios = <&pioC 25 0>, <0>, <0>, <0>;
+                       };
+
+                       sckc@fffffe50 {
+                               slow_osc: slow_osc {
+                                       atmel,osc-bypass;
+                               };
+                       };
+               };
+
+               nand0: nand@60000000 {
+                       nand-bus-width = <8>;
+                       nand-ecc-mode = "hw";
+                       atmel,has-pmecc;
+                       atmel,pmecc-cap = <8>;
+                       atmel,pmecc-sector-size = <512>;
+                       nand-on-flash-bbt;
+                       status = "okay";
+
+                       at91bootstrap@0 {
+                               label = "at91bs";
+                               reg = <0x0 0x20000>;
+                       };
+
+                       uboot@20000 {
+                               label = "u-boot";
+                               reg = <0x20000 0x80000>;
+                       };
+
+                       ubootenv@a0000 {
+                               label = "u-boot-env";
+                               reg = <0xa0000 0x20000>;
+                       };
+
+                       ubootenv@c0000 {
+                               label = "u-boot-env";
+                               reg = <0xc0000 0x20000>;
+                       };
+
+                       kernel-a@e0000 {
+                               label = "kernel-a";
+                               reg = <0xe0000 0x500000>;
+                       };
+
+                       kernel-b@5e0000 {
+                               label = "kernel-b";
+                               reg = <0x5e0000 0x500000>;
+                       };
+
+                       rootfs-a@ae0000 {
+                               label = "rootfs-a";
+                               reg = <0xae0000 0x3000000>;
+                       };
+
+                       rootfs-b@3ae0000 {
+                               label = "rootfs-b";
+                               reg = <0x3ae0000 0x3000000>;
+                       };
+
+                       user@6ae0000 {
+                               label = "user";
+                               reg = <0x6ae0000 0x14e0000>;
+                       };
+
+               };
+
+               usb0: gadget@00500000 {
+                       atmel,vbus-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&pinctrl_usba_vbus>;
+               };
+
+               usb1: ohci@00600000 {
+                       num-ports = <3>;
+                       atmel,vbus-gpio = <&pioA 2 GPIO_ACTIVE_LOW>;
+                       atmel,oc-gpio = <&pioA 4 GPIO_ACTIVE_LOW>;
+               };
+       };
+
+       atheros {
+               compatible = "atheros,ath6kl";
+               atheros,board-id = "SD32";
+       };
+};
index 1c779ca..b26715b 100644 (file)
@@ -29,3 +29,17 @@ define Device/at91-sama5d4_xplained
   MKUBIFS_OPTS := -m $$(PAGESIZE) -e 248KiB -c 2082 -x lzo
 endef
 TARGET_DEVICES += at91-sama5d4_xplained
+
+define Device/wb50n
+  $(Device/evaluation-fit)
+  DEVICE_TITLE := Laird WB50N
+  DEVICE_PACKAGES := \
+         kmod-mmc-at91 kmod-ath6kl-sdio ath6k-firmware \
+         kmod-usb-storage kmod-fs-vfat kmod-fs-msdos \
+         kmod-leds-gpio
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  SUBPAGESIZE := 2048
+  MKUBIFS_OPTS := -m $$(PAGESIZE) -e 124KiB -c 955
+endef
+TARGET_DEVICES += wb50n
diff --git a/target/linux/at91/patches-4.4/103-ARM-at91-build-dtb-for-wb50n.patch b/target/linux/at91/patches-4.4/103-ARM-at91-build-dtb-for-wb50n.patch
new file mode 100644 (file)
index 0000000..00ffe09
--- /dev/null
@@ -0,0 +1,12 @@
+--- a/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/Makefile
+@@ -52,7 +52,8 @@ dtb-$(CONFIG_SOC_SAM_V7) += \
+       sama5d35ek.dtb \
+       sama5d36ek.dtb \
+       at91-sama5d4_xplained.dtb \
+-      at91-sama5d4ek.dtb
++      at91-sama5d4ek.dtb \
++      wb50n.dtb
+ dtb-$(CONFIG_ARCH_ATLAS6) += \
+       atlas6-evb.dtb
+ dtb-$(CONFIG_ARCH_ATLAS7) += \