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ARM: at91: add at91sam9263 DT support

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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
tirimbino
Jean-Christophe PLAGNIOL-VILLARD 13 years ago
parent 8cf93b9cea
commit 4abb367722
3 changed files with 250 additions and 0 deletions
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  1. 220
      arch/arm/boot/dts/at91sam9263.dtsi
  2. 10
      arch/arm/mach-at91/at91sam9263.c
  3. 20
      arch/arm/mach-at91/at91sam9263_devices.c

220
arch/arm/boot/dts/at91sam9263.dtsi
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@ -0,0 +1,220 @@
/*
* at91sam9263.dtsi - Device Tree Include file for AT91SAM9263 family SoC
*
* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* Licensed under GPLv2 only.
*/
/include/ "skeleton.dtsi"
/ {
model = "Atmel AT91SAM9263 family SoC";
compatible = "atmel,at91sam9263";
interrupt-parent = <&aic>;
aliases {
serial0 = &dbgu;
serial1 = &usart0;
serial2 = &usart1;
serial3 = &usart2;
gpio0 = &pioA;
gpio1 = &pioB;
gpio2 = &pioC;
gpio3 = &pioD;
gpio4 = &pioE;
tcb0 = &tcb0;
};
cpus {
cpu@0 {
compatible = "arm,arm926ejs";
};
};
memory {
reg = <0x20000000 0x08000000>;
};
ahb {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges;
apb {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges;
aic: interrupt-controller@fffff000 {
#interrupt-cells = <2>;
compatible = "atmel,at91rm9200-aic";
interrupt-controller;
reg = <0xfffff000 0x200>;
};
pmc: pmc@fffffc00 {
compatible = "atmel,at91rm9200-pmc";
reg = <0xfffffc00 0x100>;
};
ramc: ramc@ffffe200 {
compatible = "atmel,at91sam9260-sdramc";
reg = <0xffffe200 0x200
0xffffe800 0x200>;
};
pit: timer@fffffd30 {
compatible = "atmel,at91sam9260-pit";
reg = <0xfffffd30 0xf>;
interrupts = <1 4>;
};
tcb0: timer@fff7c000 {
compatible = "atmel,at91rm9200-tcb";
reg = <0xfff7c000 0x100>;
interrupts = <19 4>;
};
rstc@fffffd00 {
compatible = "atmel,at91sam9260-rstc";
reg = <0xfffffd00 0x10>;
};
shdwc@fffffd10 {
compatible = "atmel,at91sam9260-shdwc";
reg = <0xfffffd10 0x10>;
};
pioA: gpio@fffff200 {
compatible = "atmel,at91rm9200-gpio";
reg = <0xfffff200 0x100>;
interrupts = <2 4>;
#gpio-cells = <2>;
gpio-controller;
interrupt-controller;
};
pioB: gpio@fffff400 {
compatible = "atmel,at91rm9200-gpio";
reg = <0xfffff400 0x100>;
interrupts = <3 4>;
#gpio-cells = <2>;
gpio-controller;
interrupt-controller;
};
pioC: gpio@fffff600 {
compatible = "atmel,at91rm9200-gpio";
reg = <0xfffff600 0x100>;
interrupts = <4 4>;
#gpio-cells = <2>;
gpio-controller;
interrupt-controller;
};
pioD: gpio@fffff800 {
compatible = "atmel,at91rm9200-gpio";
reg = <0xfffff800 0x100>;
interrupts = <4 4>;
#gpio-cells = <2>;
gpio-controller;
interrupt-controller;
};
pioE: gpio@fffffa00 {
compatible = "atmel,at91rm9200-gpio";
reg = <0xfffffa00 0x100>;
interrupts = <4 4>;
#gpio-cells = <2>;
gpio-controller;
interrupt-controller;
};
dbgu: serial@ffffee00 {
compatible = "atmel,at91sam9260-usart";
reg = <0xffffee00 0x200>;
interrupts = <1 4>;
status = "disabled";
};
usart0: serial@fff8c000 {
compatible = "atmel,at91sam9260-usart";
reg = <0xfff8c000 0x200>;
interrupts = <7 4>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "disabled";
};
usart1: serial@fff90000 {
compatible = "atmel,at91sam9260-usart";
reg = <0xfff90000 0x200>;
interrupts = <8 4>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "disabled";
};
usart2: serial@fff94000 {
compatible = "atmel,at91sam9260-usart";
reg = <0xfff94000 0x200>;
interrupts = <9 4>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "disabled";
};
macb0: ethernet@fffbc000 {
compatible = "cdns,at32ap7000-macb", "cdns,macb";
reg = <0xfffbc000 0x100>;
interrupts = <21 4>;
status = "disabled";
};
usb1: gadget@fff78000 {
compatible = "atmel,at91rm9200-udc";
reg = <0xfff78000 0x4000>;
interrupts = <24 4>;
status = "disabled";
};
};
nand0: nand@40000000 {
compatible = "atmel,at91rm9200-nand";
#address-cells = <1>;
#size-cells = <1>;
reg = <0x40000000 0x10000000
0xffffe000 0x200
>;
atmel,nand-addr-offset = <21>;
atmel,nand-cmd-offset = <22>;
gpios = <&pioA 22 0
&pioD 15 0
0
>;
status = "disabled";
};
usb0: ohci@00a00000 {
compatible = "atmel,at91rm9200-ohci", "usb-ohci";
reg = <0x00a00000 0x100000>;
interrupts = <29 4>;
status = "disabled";
};
};
i2c@0 {
compatible = "i2c-gpio";
gpios = <&pioB 4 0 /* sda */
&pioB 5 0 /* scl */
>;
i2c-gpio,sda-open-drain;
i2c-gpio,scl-open-drain;
i2c-gpio,delay-us = <2>; /* ~100 kHz */
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
};
};

10
arch/arm/mach-at91/at91sam9263.c
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@ -199,6 +199,16 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_ID("pioC", &pioCDE_clk),
CLKDEV_CON_ID("pioD", &pioCDE_clk),
CLKDEV_CON_ID("pioE", &pioCDE_clk),
/* more usart lookup table for DT entries */
CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck),
CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk),
CLKDEV_CON_DEV_ID("usart", "fff90000.serial", &usart1_clk),
CLKDEV_CON_DEV_ID("usart", "fff94000.serial", &usart2_clk),
/* more tc lookup table for DT entries */
CLKDEV_CON_DEV_ID("t0_clk", "fff7c000.timer", &tcb_clk),
CLKDEV_CON_DEV_ID("hclk", "a00000.ohci", &ohci_clk),
CLKDEV_CON_DEV_ID("spi_clk", "fffa4000.spi", &spi0_clk),
CLKDEV_CON_DEV_ID("spi_clk", "fffa8000.spi", &spi1_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {

20
arch/arm/mach-at91/at91sam9263_devices.c
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@ -953,8 +953,25 @@ static struct platform_device at91sam9263_tcb_device = {
.num_resources = ARRAY_SIZE(tcb_resources),
};
#if defined(CONFIG_OF)
static struct of_device_id tcb_ids[] = {
{ .compatible = "atmel,at91rm9200-tcb" },
{ /*sentinel*/ }
};
#endif
static void __init at91_add_device_tc(void)
{
#if defined(CONFIG_OF)
struct device_node *np;
np = of_find_matching_node(NULL, tcb_ids);
if (np) {
of_node_put(np);
return;
}
#endif
platform_device_register(&at91sam9263_tcb_device);
}
#else
@ -1483,6 +1500,9 @@ void __init at91_add_device_serial(void) {}
*/
static int __init at91_add_standard_devices(void)
{
if (of_have_populated_dt())
return 0;
at91_add_device_rtt();
at91_add_device_watchdog();
at91_add_device_tc();

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