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authorJohn Klug <john.klug@multitech.com>2021-11-08 03:47:28 -0600
committerJohn Klug <john.klug@multitech.com>2021-12-29 08:26:41 -0600
commitb1eb7d690433fc647dd8b6806271d23e0fdf09ee (patch)
treef07e9e4f5d4d9aad6033ea8ade8e5609bdcefd22 /recipes-kernel
parent0b159d676a251c81daf3037e46a1af3209e1ff83 (diff)
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Device tree updates for MTCDT-0.2 and Overlay
Diffstat (limited to 'recipes-kernel')
-rw-r--r--recipes-kernel/linux/linux-at91-4.9.87/mtcdt/linux-4.9-mtcdt-device-tree.patch568
-rw-r--r--recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mt-at91.h19
-rw-r--r--recipes-kernel/linux/linux-at91-4.9.87/mtcdt/mtcdt.dts435
-rw-r--r--recipes-kernel/linux/linux-at91_4.9.87.bb6
4 files changed, 460 insertions, 568 deletions
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 =
-+ <AT91_PIOA 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PA1 gpio SD card 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 */
-+ };
-+
-+ /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 =
-+ <AT91_PIOD 14 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(1)) /* PD14 WiFi BT reset */
-+ AT91_PIOD 16 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(1)) /* PD16 Secure reset or gpio4 reset */
-+ AT91_PIOD 17 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(1)) /* PD17 MTQ reset */
-+ AT91_PIOD 18 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(1))>; /* PD18 USB Hub reset */
-+ output-high; // ignored by at91_pinctrl
-+ };
-+ pinctrl_mts_io_in: mts_io-1 {
-+ atmel,pins =
-+ <AT91_PIOD 19 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP /* PD19 GNSS Int */
-+ AT91_PIOD 20 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* PD20 WiFi_BT_LPMode Input */
-+ };
-+ // GNSS kept in reset to prevent EXAR from hanging
-+ pinctrl_mts_io_gnss: mts_io-2 {
-+ atmel,pins =
-+ <AT91_PIOC 4 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(0)) /* PC16 ETH_NRST */
-+ AT91_PIOD 15 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(0))>; /* 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 =
-+ <AT91_PIOA 13 AT91_PERIPH_B AT91_PINCTRL_NONE /* PA13 periph B */
-+ AT91_PIOA 12 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA12 periph B with pullup */
-+ AT91_PIOA 11 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; /* PA11 periph B with pullup */
-+ };
-+
-+ pinctrl_mmc1_slot0_dat1_3: mmc1_slot0_dat1_3-0 {
-+ atmel,pins =
-+ <AT91_PIOA 2 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA2 periph B with pullup */
-+ AT91_PIOA 3 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA3 periph B with pullup */
-+ AT91_PIOA 4 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; /* 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 <dt-bindings/gpio/mt-at91.h>
+
+
+/ {
+ 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 = <AT91_PIOA 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ pinctrl_usart1_dcd: usart1_dcd-0 {
+ atmel,pins = <AT91_PIOA 26 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ pinctrl_usart1_dtr: usart1_dtr-0 {
+ atmel,pins = <AT91_PIOA 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ };
+ usart3 {
+ /delete-node/ usart3_sck-0;
+ pinctrl_usart3_rng: usart3_rng-0 {
+ atmel,pins = <AT91_PIOC 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ pinctrl_usart3_dcd: usart3_dcd-0 {
+ atmel,pins = <AT91_PIOC 13 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ pinctrl_usart3_dtr: usart3_dtr-0 {
+ atmel,pins = <AT91_PIOC 12 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ };
+
+ mmc0 {
+ pinctrl_board_mmc0: mmc0-board {
+ atmel,pins =
+ <AT91_PIOA 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PA1 gpio SD card pin pull up and deglitch */
+ };
+ /* /delete-property/ cd-gpios; */
+ };
+ /delete-node/ mmc@f000c000;
+
+ 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 */
+ };
+
+ /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 =
+ <AT91_PIOD 14 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(1)) /* PD14 WiFi BT reset */
+ AT91_PIOD 16 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(1)) /* PD16 Secure reset or gpio4 reset */
+ AT91_PIOD 17 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(1)) /* PD17 MTQ reset */
+ AT91_PIOD 18 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(1))>; /* PD18 USB Hub reset */
+ output-high; // ignored by at91_pinctrl
+ };
+ pinctrl_mts_io_in: mts_io-1 {
+ atmel,pins =
+ <AT91_PIOD 19 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP /* PD19 GNSS Int */
+ AT91_PIOD 20 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* PD20 WiFi_BT_LPMode Input */
+ };
+ // GNSS kept in reset to prevent EXAR from hanging
+ pinctrl_mts_io_gnss: mts_io-2 {
+ atmel,pins =
+ <AT91_PIOC 4 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(0)) /* PC16 ETH_NRST */
+ AT91_PIOD 15 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT|AT91_PINCTRL_OUTPUT_VAL(0))>; /* 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 =
+ <AT91_PIOA 13 AT91_PERIPH_B AT91_PINCTRL_NONE /* PA13 periph B */
+ AT91_PIOA 12 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA12 periph B with pullup */
+ AT91_PIOA 11 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; /* PA11 periph B with pullup */
+ };
+
+ pinctrl_mmc1_slot0_dat1_3: mmc1_slot0_dat1_3-0 {
+ atmel,pins =
+ <AT91_PIOA 2 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA2 periph B with pullup */
+ AT91_PIOA 3 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA3 periph B with pullup */
+ AT91_PIOA 4 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; /* 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 = <GPIO0_PH>;
+ phandle,linux = <GPIO0_PH>;
+};
+&pioB {
+ phandle = <GPIO1_PH>;
+ phandle,linux = <GPIO1_PH>;
+};
+&pioC {
+ phandle = <GPIO2_PH>;
+ phandle,linux = <GPIO2_PH>;
+};
+&pioD {
+ phandle = <GPIO3_PH>;
+ phandle,linux = <GPIO3_PH>;
+};
+// gpio-base is in the doc but does not work.
+&gpio4 {
+ phandle = <GPIO4_PCA9557_PH>;
+ phandle,linux = <GPIO4_PCA9557_PH>;
+ // gpio-base = <128>;
+};
+&gpio5 {
+ phandle = <GPIO5_PCA9557_PH>;
+ phandle,linux = <GPIO5_PCA9557_PH>;
+ // 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=""