linux 5.4: apply mtcap DTS changes

1 files changed, 177 insertions, 140 deletions

diff --git a/recipes-kernel/linux/linux-at91-5.4.81/mts-dts/mtcap.dts b/recipes-kernel/linux/linux-at91-5.4.81/mts-dts/mtcap.dts
index 6a1ba37..3f8e6ce 100644
--- a/recipes-kernel/linux/linux-at91-5.4.81/mts-dts/mtcap.dts
+++ b/recipes-kernel/linux/linux-at91-5.4.81/mts-dts/mtcap.dts
@@ -20,7 +20,7 @@
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
-	model = "Atmel AT91SAM9X5-EK";
+	model = "Multi-Tech Systems MTCAP";
 	compatible = "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
 	interrupt-parent = <&aic>;
 
@@ -35,15 +35,12 @@
 		gpio3 = &pioD;
 		tcb0 = &tcb0;
 		tcb1 = &tcb1;
-		i2c0 = &i2c0;
-		i2c1 = &i2c1;
-		i2c2 = &i2c2;
 		ssc0 = &ssc0;
 		pwm0 = &pwm0;
 	};
 
 	chosen {
-		bootargs = "root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs";
+		bootargs = "mem=256M console=ttyS0,115200 root=/dev/mtdblock8 ro rootfstype=jffs2";
 		stdout-path = "serial0:115200n8";
 	};
 
@@ -87,21 +84,6 @@
 		reg = <0x00300000 0x8000>;
 	};
 
-	sound {
-		compatible = "atmel,sam9x5-wm8731-audio";
-
-		atmel,model = "wm8731 @ AT91SAM9X5EK";
-
-		atmel,audio-routing =
-			"Headphone Jack", "RHPOUT",
-			"Headphone Jack", "LHPOUT",
-			"LLINEIN", "Line In Jack",
-			"RLINEIN", "Line In Jack";
-
-		atmel,ssc-controller = <&ssc0>;
-		atmel,audio-codec = <&wm8731>;
-	};
-
 	ahb {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -329,32 +311,25 @@
 				ebi {
 					pinctrl_ebi_data_0_7: ebi-data-lsb-0 {
 						atmel,pins =
-							<AT91_PIOD 6 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 7 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 8 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 9 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 10 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 11 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 12 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 13 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+							<AT91_PIOD 6 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOD 7 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOD 8 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOD 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOD 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOD 11 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOD 12 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOD 13 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
 					};
 
-					pinctrl_ebi_data_8_15: ebi-data-msb-0 {
+					pinctrl_ebi_addr_nand: ebi-addr-0 {
 						atmel,pins =
-							<AT91_PIOD 14 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 15 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 16 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 17 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 18 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 19 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 20 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 21 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+							<AT91_PIOD 2 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOD 3 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
 					};
 
-					pinctrl_ebi_addr_nand: ebi-addr-0 {
+					pinctrl_ebi_led_cd: led-cd-0 {
 						atmel,pins =
-							<AT91_PIOD 2 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+							<AT91_PIOC 16 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PC16 LED-CD (modem normally controls) */
 					};
 				};
 
@@ -469,13 +444,13 @@
 				nand {
 					pinctrl_nand_oe_we: nand-oe-we-0 {
 						atmel,pins =
-							<AT91_PIOD 0 AT91_PERIPH_A AT91_PINCTRL_NONE
-							 AT91_PIOD 1 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+							<AT91_PIOD 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOD 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
 					};
 
 					pinctrl_nand_rb: nand-rb-0 {
 						atmel,pins =
-							<AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
+							<AT91_PIOC 31 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
 					};
 
 					pinctrl_nand_cs: nand-cs-0 {
@@ -484,6 +459,35 @@
 					};
 				};
 
+				/*
+				 * Pin D21 will be left floating when the power goes off on the radio.
+				 * We need to pull it down to ensure it is low during radio power-off.
+				 * pinctrl is loaded during the call to platform_device_register() in mts-io.
+				 * If we need to customize this for various hardware revisions, these can
+				 * be loaded as overlays prior to loading the mts-io module, overwriting the
+				 * atmel,pins section.
+				*/
+				mts_io {
+					pinctrl_mts_io: mts_io-0 {
+						atmel,pins =
+							<AT91_PIOA 21 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP  /* PA21 GPIO pull-up radio-power */
+							AT91_PIOA 22 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP   /* PA22 GPIO pull-up radio-reset */
+							AT91_PIOD 21 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; /* PD21 GPIO pull-down radio-monitor */
+							output-high;
+					};
+					pinctrl_mts_io_in: mts_io-1 {
+						atmel,pins =
+							<AT91_PIOD 19 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;   /* PD19 GNSS Int */
+					};
+					pinctrl_mts_io_gnss: mts_io-2 {
+						atmel,pins =
+							<AT91_PIOA 8  AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP     /* PA8 LORA_RESET */
+							AT91_PIOC 16 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP      /* PC16 ETH_NRST */
+							AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;    /* PD15 N_GNSS_RESET */
+							output-low;
+					};
+				};
+
 				mmc0 {
 					pinctrl_mmc0_slot0_clk_cmd_dat0: mmc0_slot0_clk_cmd_dat0-0 {
 						atmel,pins =
@@ -813,7 +817,9 @@
 				pinctrl-0 = <&pinctrl_macb0_rmii>;
 				clocks = <&pmc PMC_TYPE_PERIPHERAL 24>, <&pmc PMC_TYPE_PERIPHERAL 24>;
 				clock-names = "hclk", "pclk";
-				status = "disabled";
+
+				phy-mode = "rmii";
+				status = "okay";
 			};
 
 			ssc0: ssc@f0010000 {
@@ -828,7 +834,7 @@
 				clocks = <&pmc PMC_TYPE_PERIPHERAL 28>;
 				clock-names = "pclk";
 
-				status = "okay";
+				status = "disabled";
 			};
 
 			mmc0: mmc@f0008000 {
@@ -847,7 +853,7 @@
 					&pinctrl_board_mmc0
 					&pinctrl_mmc0_slot0_clk_cmd_dat0
 					&pinctrl_mmc0_slot0_dat1_3>;
-				status = "okay";
+				status = "disabled";
 
 				slot@0 {
 					reg = <0>;
@@ -873,7 +879,7 @@
 					&pinctrl_board_mmc1
 					&pinctrl_mmc1_slot0_clk_cmd_dat0
 					&pinctrl_mmc1_slot0_dat1_3>;
-				status = "okay";
+				status = "disabled";
 
 				slot@0 {
 					reg = <0>;
@@ -895,6 +901,8 @@
 				clock-names = "usart";
 
 				status = "okay";
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
 			};
 
 			usart0: serial@f801c000 {
@@ -911,7 +919,7 @@
 
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
-				status = "okay";
+				status = "disabled";
 			};
 
 			usart1: serial@f8020000 {
@@ -956,55 +964,7 @@
 				status = "disabled";
 			};
 
-			i2c0: i2c@f8010000 {
-				compatible = "atmel,at91sam9x5-i2c";
-				reg = <0xf8010000 0x100>;
-				interrupts = <9 IRQ_TYPE_LEVEL_HIGH 6>;
-				dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(7)>,
-				       <&dma0 1 AT91_DMA_CFG_PER_ID(8)>;
-				dma-names = "tx", "rx";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c0>;
-				clocks = <&pmc PMC_TYPE_PERIPHERAL 9>;
-				status = "okay";
-				wm8731: wm8731@1a {
-					compatible = "wm8731";
-					reg = <0x1a>;
-				};
-			};
-
-			i2c1: i2c@f8014000 {
-				compatible = "atmel,at91sam9x5-i2c";
-				reg = <0xf8014000 0x100>;
-				interrupts = <10 IRQ_TYPE_LEVEL_HIGH 6>;
-				dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(5)>,
-				       <&dma1 1 AT91_DMA_CFG_PER_ID(6)>;
-				dma-names = "tx", "rx";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c1>;
-				clocks = <&pmc PMC_TYPE_PERIPHERAL 10>;
-				status = "disabled";
-			};
-
-			i2c2: i2c@f8018000 {
-				compatible = "atmel,at91sam9x5-i2c";
-				reg = <0xf8018000 0x100>;
-				interrupts = <11 IRQ_TYPE_LEVEL_HIGH 6>;
-				dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(9)>,
-				       <&dma0 1 AT91_DMA_CFG_PER_ID(10)>;
-				dma-names = "tx", "rx";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c2>;
-				clocks = <&pmc PMC_TYPE_PERIPHERAL 11>;
-				status = "disabled";
-			};
-
+			/* uart0 is GNSS on MTCDTIP2, enabled by overlay */
 			uart0: serial@f8040000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xf8040000 0x200>;
@@ -1013,7 +973,22 @@
 				pinctrl-0 = <&pinctrl_uart0>;
 				clocks = <&pmc PMC_TYPE_PERIPHERAL 15>;
 				clock-names = "usart";
+
 				status = "disabled";
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				/* Table 30-1 of the SAM9G25 datasheet specifies the dma channel numbers
+				 * for TWI0 (I2C).  Note that a channel number is a slot in a table
+				 * in the kernel when printed in the kernel log.  It has nothing to do
+				 * with the channel numbers specified here which correspond to the
+				 * SAM9G25 datasheet.
+				 * In atmel-dma.txt kernel documentation the SAM9G25 channel number
+				 * is referred to as:
+				 *     peripheral identifier for the hardware handshaking interface
+				 */
+				dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(11)>,
+				       <&dma0 1 (AT91_DMA_CFG_PER_ID(12) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
+				dma-names = "tx", "rx";
 			};
 
 			uart1: serial@f8044000 {
@@ -1047,7 +1022,7 @@
 
 				atmel,adc-ts-wires = <4>;
 				atmel,adc-ts-pressure-threshold = <10000>;
-				status = "okay";
+				status = "disabled";
 
 				trigger0 {
 					trigger-name = "external-rising";
@@ -1087,14 +1062,20 @@
 				clocks = <&pmc PMC_TYPE_PERIPHERAL 13>;
 				clock-names = "spi_clk";
 
-				cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
-				status = "disabled"; /* conflicts with mmc1 */
 
-				m25p80@0 {
-					compatible = "atmel,at25df321a";
-					spi-max-frequency = <50000000>;
+				status = "okay";
+				cs-gpios = <&pioA 14 0>, <&pioA 1 0>, <0>, <0>;
+
+				lora-spi@0 {
+					compatible = "mts,mtac";
+					spi-max-frequency = <2000000>;
 					reg = <0>;
 				};
+				lora-spi@1 {
+					compatible = "mts,mtac";
+					spi-max-frequency = <2000000>;
+					reg = <1>;
+				};
 			};
 
 			spi1: spi@f0004000 {
@@ -1123,10 +1104,9 @@
 				clocks = <&pmc PMC_TYPE_CORE PMC_UTMI>, <&pmc PMC_TYPE_PERIPHERAL 23>;
 				clock-names = "hclk", "pclk";
 
-
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_board_usb2>;
-				atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
+				/* atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;		mtcdt: no vbus-gpio */
 				status = "okay";
 
 				ep@0 {
@@ -1191,7 +1171,6 @@
 				atmel,reset-type = "all";
 				atmel,dbg-halt;
 
-
 				status = "okay";
 			};
 
@@ -1221,10 +1200,11 @@
 			clock-names = "ohci_clk", "hclk", "uhpck";
 
 			num-ports = <3>;
-			atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW *//* Activate to have access to port A */
-					   &pioD 19 GPIO_ACTIVE_LOW
-					   &pioD 20 GPIO_ACTIVE_LOW
-					  >;
+			//mtcdt: no vbus-gpio
+			//atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW *//* Activate to have access to port A */
+			//		   &pioD 19 GPIO_ACTIVE_LOW
+			//		   &pioD 20 GPIO_ACTIVE_LOW
+			//		  >;
 			status = "okay";
 		};
 
@@ -1235,7 +1215,6 @@
 			clocks = <&pmc PMC_TYPE_CORE PMC_UTMI>, <&pmc PMC_TYPE_PERIPHERAL 22>;
 			clock-names = "usb_clk", "ehci_clk";
 
-
 			status = "okay";
 		};
 
@@ -1275,13 +1254,13 @@
 
 				nand@3 {
 					reg = <0x3 0x0 0x800000>;
-					rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
+					rb-gpios = <&pioC 31 GPIO_ACTIVE_HIGH>;
 					cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
 					nand-bus-width = <8>;
 					nand-ecc-mode = "hw";
-					nand-ecc-strength = <2>;
+					nand-ecc-strength = <4>;
 					nand-ecc-step-size = <512>;
-					nand-on-flash-bbt;
+					/* nand-on-flash-bbt; */
 					label = "atmel_nand";
 
 					partitions {
@@ -1289,39 +1268,54 @@
 						#address-cells = <1>;
 						#size-cells = <1>;
 
+						nand@0 {
+							label = "NANDFlash";
+							reg = <0x0 0x10000000>;
+						};
+
 						at91bootstrap@0 {
 							label = "at91bootstrap";
 							reg = <0x0 0x40000>;
 						};
 
 						uboot@40000 {
-							label = "u-boot";
-							reg = <0x40000 0xc0000>;
+							label = "u-Boot";
+							reg = <0x40000 0x80000>;
 						};
-
-						ubootenvred@100000 {
-							label = "U-Boot Env Redundant";
-							reg = <0x100000 0x40000>;
+					
+						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>;
 						};
 
-						ubootenv@140000 {
-							label = "U-Boot Env";
-							reg = <0x140000 0x40000>;
+						config0@800000 {
+							label = "Config";
+							reg = <0x800000 0x800000>;
 						};
 
-						dtb@180000 {
-							label = "device tree";
-							reg = <0x180000 0x80000>;
+						config1@1000000 {
+							label = "OEM Config";
+							reg = <0x1000000 0x800000>;
 						};
 
-						kernel@200000 {
-							label = "kernel";
-							reg = <0x200000 0x600000>;
+						rootfs@1800000 {
+							label = "Rootfs";
+							reg = <0x1800000 0x8000000>;
 						};
 
-						rootfs@800000 {
-							label = "rootfs";
-							reg = <0x800000 0x0f800000>;
+						user@9800000 {
+							label = "User data";
+							reg = <0x9800000 0x6800000>;
 						};
 					};
 				};
@@ -1374,18 +1368,32 @@
 		status = "disabled";
 	};
 
+	mts-io-0 {
+		status = "okay";
+		compatible = "mts,mts-io";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mts_io>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
-		pb18 {
-			label = "pb18";
-			gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
-			linux,default-trigger = "heartbeat";
+		pc25 {
+			label = "led-status";
+			gpios = <&pioC 25 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
 		};
-
-		pd21 {
-			label = "pd21";
-			gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
+		pc15 {
+			label = "led-lora";
+			gpios = <&pioC 15 GPIO_ACTIVE_LOW>;
+		};
+		pc16 {
+			label = "led-cd";
+			gpios = <&pioC 16 GPIO_ACTIVE_LOW>;
+		};
+		pc20 {
+			label = "led-wifi";
+			gpios = <&pioC 20 GPIO_ACTIVE_LOW>;
 		};
 	};
 
@@ -1397,4 +1405,33 @@
 		pinctrl-0 = <&pinctrl_1wire_cm>;
 		status = "okay";
 	};
+
+	/* GPS-PPS input on MTCDTIP2 - enabled by overlay*/
+	pps-0 {
+		compatible = "pps-gpio";
+		gpios = <&pioC 10 0>;
+		capture-clear;
+		status = "disabled";
+	};
+
+	i2c0: i2c@f8010000 {
+		compatible = "atmel,at91sam9x5-i2c";
+		reg = <0xf8010000 0x100>;
+		interrupts = <9 IRQ_TYPE_LEVEL_HIGH 6>;
+		dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(7)>,
+			<&dma0 1 AT91_DMA_CFG_PER_ID(8)>;
+		dma-names = "tx", "rx";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2c0>;
+		clocks = <&pmc PMC_TYPE_PERIPHERAL 9>;
+		status = "okay";
+		id_eeprom@56 {
+			compatible = "atmel,24c04";
+			reg = <0x56>;
+			pagesize = <16>;
+			status = "okay";
+		};
+	};
 };