From b1eb7d690433fc647dd8b6806271d23e0fdf09ee Mon Sep 17 00:00:00 2001 From: John Klug Date: Mon, 8 Nov 2021 03:47:28 -0600 Subject: Device tree updates for MTCDT-0.2 and Overlay --- .../mtcdt/linux-4.9-mtcdt-device-tree.patch | 568 --------------------- .../linux/linux-at91-4.9.87/mtcdt/mt-at91.h | 19 + .../linux/linux-at91-4.9.87/mtcdt/mtcdt.dts | 435 ++++++++++++++++ recipes-kernel/linux/linux-at91_4.9.87.bb | 6 + 4 files changed, 460 insertions(+), 568 deletions(-) create mode 100644 recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mt-at91.h create mode 100644 recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mtcdt.dts diff --git a/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/linux-4.9-mtcdt-device-tree.patch b/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/linux-4.9-mtcdt-device-tree.patch index 481ab6d..d68cd0e 100644 --- a/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/linux-4.9-mtcdt-device-tree.patch +++ b/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/linux-4.9-mtcdt-device-tree.patch @@ -1,504 +1,3 @@ -diff -Naru orig/arch/arm/boot/dts/mtcdt.dts new/arch/arm/boot/dts/mtcdt.dts ---- orig/arch/arm/boot/dts/mtcdt.dts 1969-12-31 18:00:00.000000000 -0600 -+++ new/arch/arm/boot/dts/mtcdt.dts 2021-11-01 11:34:34.531175268 -0500 -@@ -0,0 +1,315 @@ -+/* -+ * DTS file for Multi-Tech Systems MTCDT Hardware -+ */ -+ -+/dts-v1/; -+#include "at91sam9g25.dtsi" -+#include "at91sam9x5ek.dtsi" -+ -+ -+/ { -+ model = "Multi-Tech Systems MTCDT"; -+ compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9"; -+ -+ ahb { -+ apb { -+ -+ -+ macb0: ethernet@f802c000 { -+ phy-mode = "rmii"; -+ status = "okay"; -+ }; -+ -+ pinctrl@fffff400 { -+ mmc0 { -+ pinctrl_board_mmc0: mmc0-board { -+ atmel,pins = -+ ; /* PA1 gpio SD card pin pull up and deglitch */ -+ }; -+ }; -+ nand { -+ pinctrl_nand: nand-0 { -+ atmel,pins = -+ ; /* PD13 periph A Data bit 7 */ -+ }; -+ -+ /delete-node/ nand_16bits-0; -+ }; -+ mts-io { -+ pinctrl_mts_io_out: mts_io-0 { -+ // gpio4 and gpio5 are reset in at91bootstrap. They should not be touched in Linux. -+ atmel,pins = -+ ; /* PD18 USB Hub reset */ -+ output-high; // ignored by at91_pinctrl -+ }; -+ pinctrl_mts_io_in: mts_io-1 { -+ atmel,pins = -+ ; /* PD20 WiFi_BT_LPMode Input */ -+ }; -+ // GNSS kept in reset to prevent EXAR from hanging -+ pinctrl_mts_io_gnss: mts_io-2 { -+ atmel,pins = -+ ; /* PD15 N_GNSS_RESET */ -+ output-low; // ignored by at91_pinctrl -+ }; -+ }; -+ -+ mmc1 { -+ pinctrl_mmc1_slot0_clk_cmd_dat0: mmc1_slot0_clk_cmd_dat0-0 { -+ atmel,pins = -+ ; /* PA11 periph B with pullup */ -+ }; -+ -+ pinctrl_mmc1_slot0_dat1_3: mmc1_slot0_dat1_3-0 { -+ atmel,pins = -+ ; /* PA4 periph B with pullup */ -+ }; -+ -+ /delete-node/ mmc1-board; -+ }; -+ }; -+ -+ rtc@fffffeb0 { -+ status = "okay"; -+ }; -+ -+ dbgu: serial@fffff200 { -+ status = "okay"; -+ atmel,use-dma-rx; -+ atmel,use-dma-tx; -+ }; -+ -+ /* runs to Accessory Port 1 */ -+ spi0: spi@f0000000 { -+ status = "okay"; -+ cs-gpios = <&pioA 4 0>, <&pioA 2 0>, <&pioA 3 0>, <&pioA 5 0>; -+ -+ ap1-adc@0 { -+ compatible = "mts-io-ap1-adc"; -+ spi-max-frequency = <20000000>; -+ reg = <0>; -+ }; -+ ap1-dout@1 { -+ compatible = "mts-io-ap1-dout"; -+ spi-max-frequency = <1000000>; -+ reg = <1>; -+ }; -+ ap1-spi@2 { -+ compatible = "mts,mtac"; -+ spi-max-frequency = <2000000>; -+ reg = <2>; -+ }; -+ ap1-din@3 { -+ compatible = "mts-io-ap1-din"; -+ spi-max-frequency = <1000000>; -+ reg = <3>; -+ }; -+ /delete-node/ m25p80@0; -+ }; -+ -+ /* runs to Accessory Port 2 */ -+ spi1: spi@f0004000 { -+ status = "okay"; -+ -+ cs-gpios = <&pioC 15 0>, <&pioC 16 0>, <&pioC 17 0>, <&pioC 18 0>; -+ -+ ap2-adc@0 { -+ compatible = "mts-io-ap2-adc"; -+ spi-max-frequency = <20000000>; -+ reg = <0>; -+ }; -+ ap2-dout@1 { -+ compatible = "mts-io-ap2-dout"; -+ spi-max-frequency = <1000000>; -+ reg = <1>; -+ }; -+ ap2-spi@2 { -+ compatible = "mts,mtac"; -+ spi-max-frequency = <2000000>; -+ reg = <2>; -+ }; -+ ap2-din@3 { -+ compatible = "mts-io-ap2-din"; -+ spi-max-frequency = <1000000>; -+ reg = <3>; -+ }; -+ }; -+ }; -+ -+ nand0: nand@40000000 { -+ 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 0x8000000>; -+ }; -+ user@9800000 { -+ label = "User data"; -+ reg = <0x9800000 0x6800000>; -+ }; -+ }; -+ }; -+ -+ leds { -+ compatible = "gpio-leds"; -+ -+ pa24 { -+ label = "led-status"; -+ gpios = <&pioA 24 GPIO_ACTIVE_LOW>; -+ linux,default-trigger = "default-on"; -+ }; -+ pa25 { -+ label = "led-a"; -+ gpios = <&pioA 25 GPIO_ACTIVE_LOW>; -+ }; -+ pa26 { -+ label = "led-b"; -+ gpios = <&pioA 26 GPIO_ACTIVE_LOW>; -+ }; -+ pa27 { -+ label = "led-c"; -+ gpios = <&pioA 27 GPIO_ACTIVE_LOW>; -+ }; -+ pa28 { -+ label = "led-d"; -+ gpios = <&pioA 28 GPIO_ACTIVE_LOW>; -+ }; -+ }; -+ -+ /* GPS-PPS input on AP1 */ -+ pps-0 { -+ compatible = "pps-gpio"; -+ gpios = <&pioA 29 0>; -+ capture-clear; -+ status = "okay"; -+ }; -+ -+ /* pca953x driver wants a regulator -+ * This dummy regulator prevents warnings */ -+ dummy_reg: regulator@0 { -+ compatible = "regulator-fixed"; -+ reg = <0>; -+ regulator-name = "dummy-supply"; -+ }; -+ -+ i2c-gpio-0 { -+ status = "okay"; -+ -+ id_eeprom@56 { -+ compatible = "atmel,24c04"; -+ reg = <0x56>; -+ pagesize = <16>; -+ status = "okay"; -+ }; -+ board_temp@48 { -+ compatible = "ti,tmp102"; -+ reg = <0x48>; -+ status = "okay"; -+ /* tempsensor_alert line running to pin PC19 on processor -+ set up an interrupt for this? */ -+ }; -+ /* gpio0 through gpio3 are integrated into the SAM9G25 and defined -+ in at91sam9x5.dtsi */ -+ gpio4: pca9557@18 { -+ compatible = "nxp,pca9557"; -+ reg = <0x18>; -+ gpio-controller; -+ #gpio-cells = <2>; -+ vcc-supply = <&dummy_reg>; -+ }; -+ gpio5: pca9557@19 { -+ compatible = "nxp,pca9557"; -+ reg = <0x19>; -+ gpio-controller; -+ #gpio-cells = <2>; -+ vcc-supply = <&dummy_reg>; -+ }; -+ }; -+ i2c-gpio-1 { -+ status = "okay"; -+ -+ ap1_eeprom@50 { -+ compatible = "atmel,24c04"; -+ reg = <0x50>; -+ pagesize = <16>; -+ status = "okay"; -+ }; -+ ap2_eeprom@52 { -+ compatible = "atmel,24c04"; -+ reg = <0x52>; -+ pagesize = <16>; -+ status = "okay"; -+ }; -+ }; -+ mts-io-0 { -+ status = "okay"; -+ compatible = "mts,mts-io"; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_mts_io_out>, <&pinctrl_mts_io_in>, <&pinctrl_mts_io_gnss>; -+ }; -+}; -Index: linux-4.9/arch/arm/boot/dts/at91sam9x5cm.dtsi -=================================================================== -diff -aNru linux-4.9-orig/arch/arm/boot/dts/at91sam9x5cm.dtsi linux-4.9/arch/arm/boot/dts/at91sam9x5cm.dtsi ---- linux-4.9-orig/arch/arm/boot/dts/at91sam9x5cm.dtsi 2018-11-28 18:38:25.509563104 -0600 -+++ linux-4.9/arch/arm/boot/dts/at91sam9x5cm.dtsi 2018-11-28 18:39:16.213561602 -0600 -@@ -43,48 +43,8 @@ - atmel,has-pmecc; /* Enable PMECC */ - atmel,pmecc-cap = <2>; - atmel,pmecc-sector-size = <512>; -- nand-on-flash-bbt; -+ /* nand-on-flash-bbt; */ - status = "okay"; -- -- at91bootstrap@0 { -- label = "at91bootstrap"; -- reg = <0x0 0x40000>; -- }; -- -- uboot@40000 { -- label = "u-boot"; -- reg = <0x40000 0x80000>; -- }; -- -- ubootenv@c0000 { -- label = "U-Boot Env"; -- reg = <0xc0000 0x140000>; -- }; -- -- kernel@200000 { -- label = "kernel"; -- reg = <0x200000 0x600000>; -- }; -- -- rootfs@800000 { -- label = "rootfs"; -- reg = <0x800000 0x1f800000>; -- }; -- }; -- }; -- -- leds { -- compatible = "gpio-leds"; -- -- pb18 { -- label = "pb18"; -- gpios = <&pioB 18 GPIO_ACTIVE_LOW>; -- linux,default-trigger = "heartbeat"; -- }; -- -- pd21 { -- label = "pd21"; -- gpios = <&pioD 21 GPIO_ACTIVE_HIGH>; - }; - }; - -@@ -96,5 +56,4 @@ - pinctrl-0 = <&pinctrl_1wire_cm>; - status = "okay"; - }; -- - }; -Index: linux-4.9/arch/arm/boot/dts/at91sam9x5ek.dtsi -=================================================================== -diff -aNru linux-4.9-orig/arch/arm/boot/dts/at91sam9x5ek.dtsi linux-4.9/arch/arm/boot/dts/at91sam9x5ek.dtsi ---- linux-4.9-orig/arch/arm/boot/dts/at91sam9x5ek.dtsi 2018-11-28 17:48:21.157652047 -0600 -+++ linux-4.9/arch/arm/boot/dts/at91sam9x5ek.dtsi 2018-11-28 17:49:54.793649275 -0600 -@@ -25,23 +25,11 @@ - &pinctrl_mmc0_slot0_clk_cmd_dat0 - &pinctrl_mmc0_slot0_dat1_3>; - status = "okay"; -+ /* external micro SD slot */ - slot@0 { - reg = <0>; - bus-width = <4>; -- cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>; -- }; -- }; -- -- mmc1: mmc@f000c000 { -- pinctrl-0 = < -- &pinctrl_board_mmc1 -- &pinctrl_mmc1_slot0_clk_cmd_dat0 -- &pinctrl_mmc1_slot0_dat1_3>; -- status = "okay"; -- slot@0 { -- reg = <0>; -- bus-width = <4>; -- cd-gpios = <&pioD 14 GPIO_ACTIVE_HIGH>; -+ cd-gpios = <&pioA 1 GPIO_ACTIVE_HIGH>; - }; - }; - -@@ -49,7 +37,7 @@ - status = "okay"; - }; - -- usart0: serial@f801c000 { -+ uart0: serial@f8040000 { - atmel,use-dma-rx; - atmel,use-dma-tx; - status = "okay"; -@@ -58,25 +46,12 @@ - usb2: gadget@f803c000 { - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_board_usb2>; -- atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>; -- status = "okay"; -- }; -- -- i2c0: i2c@f8010000 { -- status = "okay"; -- -- wm8731: wm8731@1a { -- compatible = "wm8731"; -- reg = <0x1a>; -- }; -- }; -- -- adc0: adc@f804c000 { -- atmel,adc-ts-wires = <4>; -- atmel,adc-ts-pressure-threshold = <10000>; -+ /* atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>; mtcdt: no vbus-gpio */ - status = "okay"; - }; - -+ /* A/D convertor is unusable on Conduit */ -+ - pinctrl@fffff400 { - camera_sensor { - pinctrl_pck0_as_isi_mck: pck0_as_isi_mck-0 { -@@ -118,7 +93,7 @@ - }; - - spi0: spi@f0000000 { -- status = "disabled"; /* conflict with mmc1 */ -+ status = "okay"; - cs-gpios = <&pioA 14 0>, <0>, <0>, <0>; - m25p80@0 { - compatible = "atmel,at25df321a"; -@@ -131,37 +106,20 @@ - status = "okay"; - }; - -- ssc0: ssc@f0010000 { -- status = "okay"; -- }; - }; - - usb0: ohci@00600000 { - status = "okay"; - 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 -+ // >; - }; - - usb1: ehci@00700000 { - status = "okay"; - }; - }; -- -- 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>; -- }; - }; diff -aNru linux-4.9-orig/arch/arm/boot/dts/Makefile linux-4.9/arch/arm/boot/dts/Makefile --- linux-4.9-orig/arch/arm/boot/dts/Makefile 2018-11-28 17:48:26.197651897 -0600 +++ linux-4.9/arch/arm/boot/dts/Makefile 2018-11-28 17:49:26.441650114 -0600 @@ -512,70 +11,3 @@ diff -aNru linux-4.9-orig/arch/arm/boot/dts/Makefile linux-4.9/arch/arm/boot/dts dtb-$(CONFIG_SOC_SAM_V7) += \ at91-kizbox2.dtb \ at91-sama5d2_ptc_ek.dtb \ -Index: linux-4.9/arch/arm/boot/dts/at91sam9x5.dtsi -=================================================================== -diff -aNru linux-4.9-orig/arch/arm/boot/dts/at91sam9x5.dtsi linux-4.9/arch/arm/boot/dts/at91sam9x5.dtsi ---- linux-4.9-orig/arch/arm/boot/dts/at91sam9x5.dtsi 2018-11-28 17:20:48.149700984 -0600 -+++ linux-4.9/arch/arm/boot/dts/at91sam9x5.dtsi 2018-11-28 17:27:35.665688919 -0600 -@@ -32,9 +32,6 @@ - gpio3 = &pioD; - tcb0 = &tcb0; - tcb1 = &tcb1; -- i2c0 = &i2c0; -- i2c1 = &i2c1; -- i2c2 = &i2c2; - ssc0 = &ssc0; - pwm0 = &pwm0; - }; -@@ -963,50 +960,7 @@ - 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 = <&twi0_clk>; -- status = "disabled"; -- }; -- -- 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 = <&twi1_clk>; -- 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 = <&twi2_clk>; -- status = "disabled"; -- }; -+ /* /delete_node/ command does not work. */ - - uart0: serial@f8040000 { - compatible = "atmel,at91sam9260-usart"; diff --git a/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mt-at91.h b/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mt-at91.h new file mode 100644 index 0000000..36fba62 --- /dev/null +++ b/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mt-at91.h @@ -0,0 +1,19 @@ +#ifndef _DT_BINDINGS_GPIO_MT_AT91_H +#define _DT_BINDINGS_GPIO_MT_AT91_H +/* + * Device tree explicit phandles + * for overlays. First four are AT91. + * Kernel must know about this to + * build the device tree. Overlay + * recipe needs this to find the + * GPIO stanza phandle. + */ + +#define GPIO0_PH 0xffff0000 +#define GPIO1_PH 0xffff0001 +#define GPIO2_PH 0xffff0002 +#define GPIO3_PH 0xffff0003 +#define GPIO4_PCA9557_PH 0xffff0004 +#define GPIO5_PCA9557_PH 0xffff0005 + +#endif diff --git a/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mtcdt.dts b/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mtcdt.dts new file mode 100644 index 0000000..2ee2e86 --- /dev/null +++ b/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mtcdt.dts @@ -0,0 +1,435 @@ +/* + * DTS file for Multi-Tech Systems MTCDT Hardware + */ + +/dts-v1/; +#include "at91sam9g25.dtsi" +#include "at91sam9x5ek.dtsi" +#include + + +/ { + model = "Multi-Tech Systems MTCDT"; + compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9"; + + aliases { + /delete-property/ i2c0; + /delete-property/ i2c1; + /delete-property/ i2c2; + /delete-property/ ssc0; + // serial2, usart1 is AP1 serial + serial4 = &usart3; // AP2 serial + serial5 = &uart0; // GNSS on MTCDT-0.2 + /delete-property/ serial1; // usart0 + /delete-property/ serial3; // usart2 + }; + + /delete-node/ 1wire_cm; + ahb { + apb { + /delete-node/ i2c@f8010000; + /delete-node/ i2c@f8014000; + /delete-node/ i2c@f8018000; + /delete-node/ mmc@f000c000; + /delete-node/ adc@f804c000; + /delete-node/ ssc@f0010000; + /delete-node/ serial@f801c000; + macb0: ethernet@f802c000 { + phy-mode = "rmii"; + status = "okay"; + }; + + pinctrl@fffff400 { + /delete-node/ 1wire_cm; + usart1 { + /delete-node/ usart1_sck-0; + pinctrl_usart1_rng: usart1_rng-0 { + atmel,pins = ; + }; + pinctrl_usart1_dcd: usart1_dcd-0 { + atmel,pins = ; + }; + pinctrl_usart1_dtr: usart1_dtr-0 { + atmel,pins = ; + }; + }; + usart3 { + /delete-node/ usart3_sck-0; + pinctrl_usart3_rng: usart3_rng-0 { + atmel,pins = ; + }; + pinctrl_usart3_dcd: usart3_dcd-0 { + atmel,pins = ; + }; + pinctrl_usart3_dtr: usart3_dtr-0 { + atmel,pins = ; + }; + }; + + mmc0 { + pinctrl_board_mmc0: mmc0-board { + atmel,pins = + ; /* PA1 gpio SD card pin pull up and deglitch */ + }; + /* /delete-property/ cd-gpios; */ + }; + /delete-node/ mmc@f000c000; + + nand { + pinctrl_nand: nand-0 { + atmel,pins = + ; /* PD13 periph A Data bit 7 */ + }; + + /delete-node/ nand_16bits-0; + }; + mts-io { + pinctrl_mts_io_out: mts_io-0 { + // gpio4 and gpio5 are reset in at91bootstrap. They should not be touched in Linux. + atmel,pins = + ; /* PD18 USB Hub reset */ + output-high; // ignored by at91_pinctrl + }; + pinctrl_mts_io_in: mts_io-1 { + atmel,pins = + ; /* PD20 WiFi_BT_LPMode Input */ + }; + // GNSS kept in reset to prevent EXAR from hanging + pinctrl_mts_io_gnss: mts_io-2 { + atmel,pins = + ; /* PD15 N_GNSS_RESET */ + output-low; // ignored by at91_pinctrl + }; + }; + + mmc1 { + pinctrl_mmc1_slot0_clk_cmd_dat0: mmc1_slot0_clk_cmd_dat0-0 { + atmel,pins = + ; /* PA11 periph B with pullup */ + }; + + pinctrl_mmc1_slot0_dat1_3: mmc1_slot0_dat1_3-0 { + atmel,pins = + ; /* PA4 periph B with pullup */ + }; + + /delete-node/ mmc1-board; + }; + }; + + rtc@fffffeb0 { + status = "okay"; + }; + + dbgu: serial@fffff200 { + status = "okay"; + atmel,use-dma-rx; + atmel,use-dma-tx; + }; + /* runs to Accessory Port 1 */ + spi0: spi@f0000000 { + /delete-node/ m25p80@0; + }; + +#ifdef NO_OVERLAY + status = "disabled"; + // A5->A28 for MTCDT 0.2 + // cs-gpios = <&pioA 4 0>, <&pioA 2 0>, <&pioA 3 0>, <&pioA 5 0>; + ap1-adc@0 { + spi-max-frequency = <20000000>; + reg = <0>; + }; + ap1-dout@1 { + spi-max-frequency = <1000000>; + reg = <1>; + }; + ap1-spi@2 { + spi-max-frequency = <2000000>; + reg = <2>; + }; + ap1-din@3 { + spi-max-frequency = <1000000>; + reg = <3>; + }; + }; + + /* runs to Accessory Port 2 */ + spi1: spi@f0004000 { + status = "disabled"; + + cs-gpios = <&pioC 15 0>, <&pioC 16 0>, <&pioC 17 0>, <&pioC 18 0>; + + ap2-adc@0 { + compatible = "mts-io-ap2-adc"; + spi-max-frequency = <20000000>; + reg = <0>; + }; + ap2-dout@1 { + compatible = "mts-io-ap2-dout"; + spi-max-frequency = <1000000>; + reg = <1>; + }; + ap2-spi@2 { + compatible = "mts,mtac"; + spi-max-frequency = <2000000>; + reg = <2>; + }; + ap2-din@3 { + compatible = "mts-io-ap2-din"; + spi-max-frequency = <1000000>; + reg = <3>; + }; + }; +#endif // NO_OVERLAY + }; + + nand0: nand@40000000 { + /delete-property/ nand-on-flash-bbt; + 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>; + }; + /delete-node/ ubootenv@c0000; + ubootconfig0@c0000 { + label = "u-Boot Config"; + reg = <0xc0000 0xa0000>; + }; + ubootconfig1@160000 { + label = "u-Boot Redundant Config"; + reg = <0x160000 0xa0000>; + }; + /delete-node/ kernel@200000; + uImage@200000 { + label = "uImage"; + reg = <0x200000 0x600000>; + }; + config0@800000 { + label = "Config"; + reg = <0x800000 0x800000>; + }; + config1@1000000 { + label = "OEM Config"; + reg = <0x1000000 0x800000>; + }; + /delete-node/ rootfs@800000; + rootfs@1800000 { + label = "Rootfs"; + reg = <0x1800000 0x8000000>; + }; + user@9800000 { + label = "User data"; + reg = <0x9800000 0x6800000>; + }; + }; + }; + + leds { + status = "disabled"; + /delete-node/ pb18; + /delete-node/ pd21; + + led-status { + label = "led-status"; // LED2 + gpios = <&pioA 24 GPIO_ACTIVE_LOW>; // All + linux,default-trigger = "default-on"; + }; + }; + + /* GPS-PPS input on AP1 */ + pps-0 { + compatible = "pps-gpio"; + gpios = <&pioA 29 0>; + capture-clear; + status = "okay"; + }; + + /* pca953x driver wants a regulator + * This dummy regulator prevents warnings */ + dummy_reg: regulator@0 { + compatible = "regulator-fixed"; + regulator-name = "dummy-supply"; + }; + + i2c-gpio-0 { + status = "okay"; + + id_eeprom@56 { + compatible = "atmel,24c04"; + reg = <0x56>; + pagesize = <16>; + status = "okay"; + }; + board_temp@48 { + compatible = "ti,tmp102"; + reg = <0x48>; + status = "okay"; + /* tempsensor_alert line running to pin PC19 on processor + set up an interrupt for this? */ + }; + /* gpio0 through gpio3 are integrated into the SAM9G25 and defined + * in at91sam9x5.dtsi + * pioA == gpio0 + * pioB == gpio1 + * pioC == gpio2 + * pioC == gpio3 + * gpio4 and gpio5 for MTCDT-0.2 follow: + */ + gpio4: pca9557@18 { + compatible = "nxp,pca9557"; + reg = <0x18>; + gpio-controller; + #gpio-cells = <2>; + vcc-supply = <&dummy_reg>; + }; + gpio5: pca9557@19 { + compatible = "nxp,pca9557"; + reg = <0x19>; + gpio-controller; + #gpio-cells = <2>; + vcc-supply = <&dummy_reg>; + }; + }; + i2c-gpio-1 { + status = "okay"; + + ap1_eeprom@50 { + compatible = "atmel,24c04"; + reg = <0x50>; + pagesize = <16>; + status = "okay"; + }; + ap2_eeprom@52 { + compatible = "atmel,24c04"; + reg = <0x52>; + pagesize = <16>; + status = "okay"; + }; + }; + mts-io-0 { + status = "okay"; + compatible = "mts,mts-io"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mts_io_out>, <&pinctrl_mts_io_in>, <&pinctrl_mts_io_gnss>; + }; + /delete-node/ sound; + /delete-node/ ssc@f0010000; + /delete-node/ adc@f804c000; +}; + +&usb0 { + /delete-property/ atmel,vbus-gpio; +}; + +&usb2 { + /delete-property/ atmel,vbus-gpio; + status = "okay"; +}; + +&uart0 { + // GNSS on MTCDT-0.2 + status = "disabled"; + 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"; + atmel,use-dma-rx; + atmel,use-dma-tx; +}; + +&usart1 { + status = "disabled"; + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts &pinctrl_usart1_cts + &pinctrl_usart1_rng &pinctrl_usart1_dcd &pinctrl_usart1_dtr>; + rng-gpios = <&pioA 27 GPIO_ACTIVE_LOW>; + dcd-gpios = <&pioA 26 GPIO_ACTIVE_LOW>; + dtr-gpios = <&pioA 25 GPIO_ACTIVE_LOW>; + dma-names = "tx", "rx"; +}; + + +&usart3 { + status = "disabled"; + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts &pinctrl_usart3_cts + &pinctrl_usart3_rng &pinctrl_usart3_dcd &pinctrl_usart3_dtr>; + rng-gpios = <&pioC 14 GPIO_ACTIVE_LOW>; + dcd-gpios = <&pioC 13 GPIO_ACTIVE_LOW>; + dtr-gpios = <&pioC 12 GPIO_ACTIVE_LOW>; + dma-names = "tx", "rx"; +}; + +/* Explicit phandles for overlays + * Compiler generated low values + */ +&pioA { + phandle = ; + phandle,linux = ; +}; +&pioB { + phandle = ; + phandle,linux = ; +}; +&pioC { + phandle = ; + phandle,linux = ; +}; +&pioD { + phandle = ; + phandle,linux = ; +}; +// gpio-base is in the doc but does not work. +&gpio4 { + phandle = ; + phandle,linux = ; + // gpio-base = <128>; +}; +&gpio5 { + phandle = ; + phandle,linux = ; + // gpio-base = <136>; +}; diff --git a/recipes-kernel/linux/linux-at91_4.9.87.bb b/recipes-kernel/linux/linux-at91_4.9.87.bb index e18dfaf..f97e568 100644 --- a/recipes-kernel/linux/linux-at91_4.9.87.bb +++ b/recipes-kernel/linux/linux-at91_4.9.87.bb @@ -60,6 +60,8 @@ COMMON_PATCHES = " \ SRC_URI_append_mtcdt = "\ ${COMMON_PATCHES} \ + file://mtcdt.dts \ + file://mt-at91.h \ file://linux-4.9-mtcdt-device-tree.patch \ file://linux-4.9-mtcdt-atmel-multidrop.patch \ " @@ -120,6 +122,10 @@ kernel_do_configure_append() { rm -f ${B}/.scmversion ${S}/.scmversion cd ${S}; git status; cd - } +kernel_do_configure_append_mtcdt() { + cp ${WORKDIR}/mtcdt.dts ${S}/arch/arm/boot/dts + cp ${WORKDIR}/mt-at91.h ${S}/arch/arm/boot/dts/include/dt-bindings/gpio +} KERNEL_MODULE_PACKAGE_SUFFIX="" -- cgit v1.2.3