path: root/recipes-kernel/linux/linux-3.12.70/mtrv1/linux-3.12-mtrv1-device-tree.patch

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 802720e..4767358 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -35,6 +35,7 @@ dtb-$(CONFIG_ARCH_AT91) += at91sam9g25ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9g35ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9x25ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9x35ek.dtb
+dtb-$(CONFIG_ARCH_AT91) += mtrv1.dtb
 # sama5d3
 dtb-$(CONFIG_ARCH_AT91)	+= sama5d31ek.dtb
 dtb-$(CONFIG_ARCH_AT91)	+= sama5d33ek.dtb
diff --git a/arch/arm/boot/dts/mtrv1.dts b/linux-3.12.27.mtr/arch/arm/boot/dts/mtrv1.dts
new file mode 100644
index 0000000..edbbe37
--- /dev/null
+++ b/arch/arm/boot/dts/mtrv1.dts
@@ -0,0 +1,255 @@
+/*
+ * DTS file for Multi-Tech Systems MTRv1 Hardware
+ *
+ * Copyright (C) 2016 by Multi-Tech Systems,
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/dts-v1/;
+#include "at91sam9g25.dtsi"
+
+/ {
+	model = "Multi-Tech Systems MTR";
+	compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
+
+	chosen {
+		bootargs = "mem=128M console=ttyS0,115200 root=/dev/mtdblock8 ro rootfstype=jffs2";
+	};
+
+	memory {
+		reg = <0x20000000 0x8000000>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		main_clock: clock@0 {
+			compatible = "atmel,osc", "fixed-clock";
+			clock-frequency = <12000000>;
+		};
+	};
+
+	ahb {
+		apb {
+			macb0: ethernet@f802c000 {
+				compatible = "cdns,at32ap7000-macb", "cdns,macb";
+				reg = <0xf802c000 0x4000>;
+				interrupts = <24 IRQ_TYPE_LEVEL_HIGH 3>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_macb0_rmii>;
+				phy-mode = "rmii";
+				status = "okay";
+			};
+
+			/* WiFi (wl12xx) */
+			mmc0: mmc@f0008000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <
+					&pinctrl_board_mmc0
+					&pinctrl_mmc0_slot0_clk_cmd_dat0
+					&pinctrl_mmc0_slot0_dat1_3>;
+				status = "okay";
+				slot@0 {
+					reg = <0>;
+					bus-width = <4>;
+					/*cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;*/
+				};
+			};
+
+			pinctrl@fffff400 {
+				mmc0 {
+					pinctrl_board_mmc0: mmc0-board {
+						atmel,pins =
+							<AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
+					};
+				};
+
+				nand {
+					pinctrl_nand: nand-0 {
+						atmel,pins =
+							<AT91_PIOD 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD0 periph A Read Enable */
+							AT91_PIOD 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD1 periph A Write Enable */
+							AT91_PIOD 2 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD2 periph A Address Latch Enable */
+							AT91_PIOD 3 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD3 periph A Command Latch Enable */
+							AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP  /* PD4 gpio Chip Enable pin pull_up */
+							AT91_PIOC 31 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP /* PC31 gpio RDY/BUSY pin pull_up */
+							AT91_PIOD 6 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD6 periph A Data bit 0 */
+							AT91_PIOD 7 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD7 periph A Data bit 1 */
+							AT91_PIOD 8 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD8 periph A Data bit 2 */
+							AT91_PIOD 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD9 periph A Data bit 3 */
+							AT91_PIOD 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD10 periph A Data bit 4 */
+							AT91_PIOD 11 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD11 periph A Data bit 5 */
+							AT91_PIOD 12 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD12 periph A Data bit 6 */
+							AT91_PIOD 13 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;  /* PD13 periph A Data bit 7 */
+					};
+
+					pinctrl_nand_16bits: nand_16bits-0 {
+						atmel,pins =
+							<AT91_PIOD 14 AT91_PERIPH_A AT91_PINCTRL_PULL_UP   /* PD14 periph A Data bit 8 */
+							AT91_PIOD 15 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD15 periph A Data bit 9 */
+							AT91_PIOD 16 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD16 periph A Data bit 10 */
+							AT91_PIOD 17 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD17 periph A Data bit 11 */
+							AT91_PIOD 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD18 periph A Data bit 12 */
+							AT91_PIOD 19 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD19 periph A Data bit 13 */
+							AT91_PIOD 20 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD20 periph A Data bit 14 */
+							AT91_PIOD 21 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;  /* PD21 periph A Data bit 15 */
+					};
+				};
+
+				1wire_cm {
+					pinctrl_1wire_cm: 1wire_cm-0 {
+						atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
+					};
+				};
+			};
+
+			rtc@fffffeb0 {
+				status = "okay";
+			};
+
+			i2c0: i2c@f8010000 {
+				compatible = "i2c-gpio";
+				status = "okay";
+
+				id_eeprom@56 {
+					compatible = "atmel,24c04";
+					reg = <0x56>;
+					pagesize = <16>;
+				};
+			};
+
+			dbgu: serial@fffff200 {
+				status = "okay";
+			};
+
+			uart0: serial@f8040000 {
+				status = "okay";
+			};
+			usb2: gadget@f803c000 {
+				atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
+				status = "okay";
+			};
+			watchdog@fffffe40 {
+				status = "okay";
+			};
+		};
+
+		nand0: nand@40000000 {
+			nand-bus-width = <8>;
+			nand-ecc-mode = "hw";
+			atmel,has-pmecc;	/* Enable PMECC */
+			atmel,pmecc-sector-size = <512>;
+			status = "okay";
+			reg = < 0x40000000 0x10000000
+				0xffffe000 0x600    /* PMECC Registers */
+				0xffffe600 0x200    /* PMECC Error Location Registers */
+				0x00100000 0x100000 /* PMECC looup table in ROM code  */
+			      >;
+			atmel,pmecc-lookup-table-offset = <0x8000 0x10000>;
+			gpios = < &pioC 31 GPIO_ACTIVE_HIGH
+				  &pioD 4 GPIO_ACTIVE_HIGH
+				  0
+				>;
+			atmel,pmecc-cap = <4>;
+			atmel,nand-has-dma;
+
+			nand@0 {
+				label = "NANDFlash";
+				reg = <0x0 0x10000000>;
+			};
+			at91bootstrap@0 {
+				label = "at91bootstrap";
+				reg = <0x0 0x40000>;
+			};
+			uboot@40000 {
+				label = "u-Boot";
+				reg = <0x40000 0x80000>;
+			};
+			ubootconfig0@c0000 {
+				label = "u-Boot Config";
+				reg = <0xc0000 0xa0000>;
+			};
+			ubootconfig1@160000 {
+				label = "u-Boot Redundant Config";
+				reg = <0x160000 0xa0000>;
+			};
+			uImage@200000 {
+				label = "uImage";
+				reg = <0x200000 0x600000>;
+			};
+			config0@800000 {
+				label = "Config";
+				reg = <0x800000 0x800000>;
+			};
+			config1@1000000 {
+				label = "OEM Config";
+				reg = <0x1000000 0x800000>;
+			};
+			rootfs@1800000 {
+				label = "Rootfs";
+				reg = <0x1800000 0xe800000>;
+			};
+		};
+
+		usb0: ohci@00600000 {
+			status = "okay";
+			num-ports = <3>;
+		};
+
+		usb1: ehci@00700000 {
+			status = "okay";
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pc21 {
+			label = "led-status";
+			gpios = <&pioC 21 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "default-on";
+		};
+		pc15 {
+			label = "led-b";
+			gpios = <&pioC 15 GPIO_ACTIVE_LOW>;
+		};
+		pc20 {
+			label = "led-c";
+			gpios = <&pioC 20 GPIO_ACTIVE_LOW>;
+		};
+		pc19 {
+			label = "led-d";
+			gpios = <&pioC 19 GPIO_ACTIVE_LOW>;
+		};
+		pc18 {
+			label = "led-e";
+			gpios = <&pioC 18 GPIO_ACTIVE_LOW>;
+		};
+		pc17 {
+			label = "led-f";
+			gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	1wire_cm {
+		compatible = "w1-gpio";
+		gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
+		linux,open-drain;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_1wire_cm>;
+		status = "okay";
+	};
+
+	i2c@0 {
+		status = "okay";
+
+		id_eeprom@56 {
+			compatible = "atmel,24c04";
+			reg = <0x56>;
+			pagesize = <16>;
+		};
+	};
+};
diff --git a/arch/arm/mach-at91/board-dt-sam9.c b/arch/arm/mach-at91/board-dt-sam9.c
index 8db3013..49ae83d 100644
--- a/arch/arm/mach-at91/board-dt-sam9.c
+++ b/arch/arm/mach-at91/board-dt-sam9.c
@@ -14,6 +14,8 @@
 #include <linux/of.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
+#include <linux/wl12xx.h>
+#include <linux/delay.h>
 
 #include <asm/setup.h>
 #include <asm/irq.h>
@@ -37,11 +39,51 @@ static void __init at91_dt_init_irq(void)
 	of_irq_init(irq_of_match);
 }
 
+static void mtr_wl12xx_set_power(bool enable)
+{
+	if (enable) {
+		gpio_set_value(AT91_PIN_PA27, 0);
+		msleep(10);
+		gpio_set_value(AT91_PIN_PA27, 1);
+		msleep(100);
+		pr_info("sam9x5: WLAN Enabled\n");
+	}
+	else {
+		gpio_set_value(AT91_PIN_PA27, 0);
+		msleep(10);
+		pr_info("sam9x5: WLAN Disabled\n");
+	}
+};
+
+static struct wl12xx_platform_data mtr_wl12xx_wlan_data __initdata = {
+	.set_power = mtr_wl12xx_set_power,
+	.irq = -1,
+	.board_ref_clock = WL12XX_REFCLOCK_38,
+	.platform_quirks = WL12XX_PLATFORM_QUIRK_EDGE_IRQ,
+};
+
+static void __init mtr_wl12xx_init(void) {
+	if (gpio_request_one(AT91_PIN_PA26, GPIOF_IN_DEGLITCH, "wlan-irq"))
+		pr_err("error request wl12xx irq gpio\n");
+
+	mtr_wl12xx_wlan_data.irq = gpio_to_irq(AT91_PIN_PA26);
+	if (mtr_wl12xx_wlan_data.irq < 0)
+		pr_err("error setting wl12xx irq\n");
+
+	if (wl12xx_set_platform_data(&mtr_wl12xx_wlan_data))
+		pr_err("error setting wl12xx data\n");
+}
+
 static void __init at91_dt_device_init(void)
 {
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }
 
+static void __init at91_dt_device_init_late(void)
+{
+	mtr_wl12xx_init();
+}
+
 static const char *at91_dt_board_compat[] __initdata = {
 	"atmel,at91sam9",
 	NULL
@@ -55,5 +97,6 @@ DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
 	.init_early	= at91_dt_initialize,
 	.init_irq	= at91_dt_init_irq,
 	.init_machine	= at91_dt_device_init,
+	.init_late	= at91_dt_device_init_late,
 	.dt_compat	= at91_dt_board_compat,
 MACHINE_END