Re: [PATCHv2 1/8] ARM: at91: Add at91sam9rl DT SoC support

Boris BREZILLON
2014-02-19T16:45:30Z

Hi Alexandre,

On 19/02/2014 16:32, Alexandre Belloni wrote:
> This adds preliminary DT support for the at91sam9rl.
>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> ---
> arch/arm/boot/dts/at91sam9rl.dtsi | 628 ++++++++++++++++++++++++++++++++++++++
> arch/arm/mach-at91/at91sam9rl.c | 16 +
> 2 files changed, 644 insertions(+)
> create mode 100644 arch/arm/boot/dts/at91sam9rl.dtsi
>
> diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi
> new file mode 100644
> index 000000000000..9a6208b046b6
> --- /dev/null
> +++ b/arch/arm/boot/dts/at91sam9rl.dtsi
> @@ -0,0 +1,628 @@
> +/*
> + * at91sam9rl.dtsi - Device Tree Include file for AT91SAM9RL family SoC
> + *
> + * Copyright (C) 2014 Alexandre Belloni <alexandre.belloni@free-electrons.com>
> + *
> + * Licensed under GPLv2 or later.
> + */
> +
> +#include "skeleton.dtsi"
> +#include <dt-bindings/pinctrl/at91.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/ {
> + model = "Atmel AT91SAM9RL family SoC";
> + compatible = "atmel,at91sam9rl", "atmel,at91sam9";
> + interrupt-parent = <&aic>;
> +
> + aliases {
> + serial0 = &dbgu;
> + serial1 = &usart0;
> + serial2 = &usart1;
> + serial3 = &usart2;
> + serial4 = &usart3;
> + gpio0 = &pioA;
> + gpio1 = &pioB;
> + gpio2 = &pioC;
> + gpio3 = &pioD;
> + tcb0 = &tcb0;
> + i2c0 = &i2c0;
> + i2c1 = &i2c1;
> + ssc0 = &ssc0;
> + ssc1 = &ssc1;
> + };
> +
> + cpus {
> + #address-cells = <0>;
> + #size-cells = <0>;
> +
> + cpu {
> + compatible = "arm,arm926ej-s";
> + device_type = "cpu";
> + };
> + };
> +
> + memory {
> + reg = <0x20000000 0x04000000>;
> + };
> +
> + ahb {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + apb {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + tcb0: timer@fffa0000 {
> + compatible = "atmel,at91rm9200-tcb";
> + reg = <0xfffa0000 0x100>;
> + interrupts = <16 IRQ_TYPE_LEVEL_HIGH 0
> + 17 IRQ_TYPE_LEVEL_HIGH 0
> + 18 IRQ_TYPE_LEVEL_HIGH 0>;
> + };
> +
> + mmc0: mmc@fffa4000 {
> + compatible = "atmel,hsmci";
> + reg = <0xfffa4000 0x600>;
> + interrupts = <10 IRQ_TYPE_LEVEL_HIGH 0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pinctrl-names = "default";
> + status = "disabled";
> + };
> +
> + i2c0: i2c@fffa8000 {
> + compatible = "atmel,at91sam9260-i2c";
> + reg = <0xfffa8000 0x100>;
> + interrupts = <11 IRQ_TYPE_LEVEL_HIGH 6>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> +
> + i2c1: i2c@fffac000 {
> + compatible = "atmel,at91sam9260-i2c";
> + reg = <0xfffac000 0x100>;
> + interrupts = <12 IRQ_TYPE_LEVEL_HIGH 6>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> +
> + usart0: serial@fffb0000 {
> + compatible = "atmel,at91sam9260-usart";
> + reg = <0xfffb0000 0x200>;
> + interrupts = <6 IRQ_TYPE_LEVEL_HIGH 5>;
> + atmel,use-dma-rx;
> + atmel,use-dma-tx;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usart0>;
> + status = "disabled";
> + };
> +
> + usart1: serial@fffb4000 {
> + compatible = "atmel,at91sam9260-usart";
> + reg = <0xfffb4000 0x200>;
> + interrupts = <7 IRQ_TYPE_LEVEL_HIGH 5>;
> + atmel,use-dma-rx;
> + atmel,use-dma-tx;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usart1>;
> + status = "disabled";
> + };
> +
> + usart2: serial@fffb8000 {
> + compatible = "atmel,at91sam9260-usart";
> + reg = <0xfffb8000 0x200>;
> + interrupts = <8 IRQ_TYPE_LEVEL_HIGH 5>;
> + atmel,use-dma-rx;
> + atmel,use-dma-tx;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usart2>;
> + status = "disabled";
> + };
> +
> + usart3: serial@fffbc000 {
> + compatible = "atmel,at91sam9260-usart";
> + reg = <0xfffbc000 0x200>;
> + interrupts = <9 IRQ_TYPE_LEVEL_HIGH 5>;
> + atmel,use-dma-rx;
> + atmel,use-dma-tx;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usart3>;
> + status = "disabled";
> + };
> +
> + ssc0: ssc@fffc0000 {
> + compatible = "atmel,at91rm9200-ssc";
> + reg = <0xfffc0000 0x4000>;
> + interrupts = <14 IRQ_TYPE_LEVEL_HIGH 5>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
> + status = "disabled";
> + };
> +
> + ssc1: ssc@fffc4000 {
> + compatible = "atmel,at91rm9200-ssc";
> + reg = <0xfffc4000 0x4000>;
> + interrupts = <15 IRQ_TYPE_LEVEL_HIGH 5>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>;
> + status = "disabled";
> + };
> +
> + spi0: spi@fffcc000 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "atmel,at91rm9200-spi";
> + reg = <0xfffcc000 0x200>;
> + interrupts = <13 IRQ_TYPE_LEVEL_HIGH 3>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_spi0>;
> + status = "disabled";
> + };
> +
> + adc0: adc@fffd0000 {
> + compatible = "atmel,at91sam9260-adc";
> + reg = <0xfffd0000 0x100>;
> + interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>;
> + atmel,adc-use-external-triggers;
> + atmel,adc-channels-used = <0xf>;
> + atmel,adc-vref = <3300>;
> + atmel,adc-num-channels = <4>;
> + atmel,adc-startup-time = <15>;
> + atmel,adc-channel-base = <0x30>;
> + atmel,adc-drdy-mask = <0x10000>;
> + atmel,adc-status-register = <0x1c>;
> + atmel,adc-trigger-register = <0x04>;
> + atmel,adc-res = <8 10>;
> + atmel,adc-res-names = "lowres", "highres";
> + atmel,adc-use-res = "highres";
> +
> + trigger@0 {
> + trigger-name = "timer-counter-0";
> + trigger-value = <0x1>;
> + };
> + trigger@1 {
> + trigger-name = "timer-counter-1";
> + trigger-value = <0x3>;
> + };
> +
> + trigger@2 {
> + trigger-name = "timer-counter-2";
> + trigger-value = <0x5>;
> + };
> +
> + trigger@3 {
> + trigger-name = "external";
> + trigger-value = <0x13>;
> + trigger-external;
> + };
> + };
> +
> + usb0: gadget@fffd4000 {
> + compatible = "atmel,at91rm9200-udc";
> + reg = <0xfffd4000 0x4000>;
> + interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
> + status = "disabled";
> + };
> +
> + ramc0: ramc@ffffea00 {
> + compatible = "atmel,at91sam9260-sdramc";
> + reg = <0xffffea00 0x200>;
> + };
> +
> + aic: interrupt-controller@fffff000 {
> + #interrupt-cells = <3>;
> + compatible = "atmel,at91rm9200-aic";
> + interrupt-controller;
> + reg = <0xfffff000 0x200>;
> + atmel,external-irqs = <31>;
> + };
> +
> + dbgu: serial@fffff200 {
> + compatible = "atmel,at91sam9260-usart";
> + reg = <0xfffff200 0x200>;
> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_dbgu>;
> + status = "disabled";
> + };
> +
> + pinctrl@fffff400 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "atmel,at91rm9200-pinctrl", "simple-bus";
> + ranges = <0xfffff400 0xfffff400 0x800>;
> +
> + atmel,mux-mask = <
> + /* A B */
> + 0xffffffff 0xe05c6738 /* pioA */
> + 0xffffffff 0x0000c780 /* pioB */
> + 0xffffffff 0xe3ffff0e /* pioC */
> + 0x003fffff 0x0001ff3c /* pioD */
> + >;
> +
> + /* shared pinctrl settings */
> + dbgu {
> + pinctrl_dbgu: dbgu-0 {
> + atmel,pins =
> + <AT91_PIOA 21 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOA 22 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
> + };
> + };
> +
> + usart0 {
> + pinctrl_usart0: usart0-0 {
> + atmel,pins =
> + <AT91_PIOA 6 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOA 7 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
> + };
> +
> + pinctrl_usart0_rts: usart0_rts-0 {
> + atmel,pins =
> + <AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart0_cts: usart0_cts-0 {
> + atmel,pins =
> + <AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart0_dtr_dsr: usart0_dtr_dsr-0 {
> + atmel,pins =
> + <AT91_PIOD 14 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOD 15 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart0_dcd: usart0_dcd-0 {
> + atmel,pins =
> + <AT91_PIOD 16 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart0_ri: usart0_ri-0 {
> + atmel,pins =
> + <AT91_PIOD 17 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart0_sck: usart0_sck-0 {
> + atmel,pins =
> + <AT91_PIOA 8 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + usart1 {
> + pinctrl_usart1: usart1-0 {
> + atmel,pins =
> + /*TODO check pullup necessary*/
> + <AT91_PIOA 11 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
> + AT91_PIOA 12 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart1_rts: usart1_rts-0 {
> + atmel,pins =
> + <AT91_PIOA 18 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart1_cts: usart1_cts-0 {
> + atmel,pins =
> + <AT91_PIOA 19 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart1_sck: usart1_sck-0 {
> + atmel,pins =
> + <AT91_PIOD 2 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + usart2 {
> + pinctrl_usart2: usart2-0 {
> + atmel,pins =
> + <AT91_PIOA 13 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
> + AT91_PIOA 14 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart2_rts: usart2_rts-0 {
> + atmel,pins =
> + <AT91_PIOA 29 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart2_cts: usart2_cts-0 {
> + atmel,pins =
> + <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart2_sck: usart2_sck-0 {
> + atmel,pins =
> + <AT91_PIOD 9 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + usart3 {
> + pinctrl_usart3: usart3-0 {
> + atmel,pins =
> + <AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
> + AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart3_rts: usart3_rts-0 {
> + atmel,pins =
> + <AT91_PIOD 4 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart3_cts: usart3_cts-0 {
> + atmel,pins =
> + <AT91_PIOD 3 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_usart3_sck: usart3_sck-0 {
> + atmel,pins =
> + <AT91_PIOA 20 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + nand {
> + pinctrl_nand: nand-0 {
> + atmel,pins =
> + <AT91_PIOD 17 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP
> + AT91_PIOB 6 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
> + };
> +
> + pinctrl_nand0_ale_cle: nand_ale_cle-0 {
> + atmel,pins =
> + <AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_nand0_oe_we: nand_oe_we-0 {
> + atmel,pins =
> + <AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_nand0_cs: nand_cs-0 {
> + atmel,pins =
> + <AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + mmc0 {
> + pinctrl_mmc0_clk: mmc0_clk-0 {
> + atmel,pins =
> + <AT91_PIOA 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_mmc0_slot0_cmd_dat0: mmc0_slot0_cmd_dat0-0 {
> + atmel,pins =
> + <AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
> + AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
> + };
> +
> + pinctrl_mmc0_slot0_dat1_3: mmc0_slot0_dat1_3-0 {
> + atmel,pins =
> + <AT91_PIOA 3 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
> + AT91_PIOA 4 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
> + AT91_PIOA 5 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
> + };
> + };
> +
> + ssc0 {
> + pinctrl_ssc0_tx: ssc0_tx-0 {
> + atmel,pins =
> + <AT91_PIOA 15 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOC 0 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOC 1 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_ssc0_rx: ssc0_rx-0 {
> + atmel,pins =
> + <AT91_PIOA 10 AT91_PERIPH_B AT91_PINCTRL_NONE
> + AT91_PIOA 16 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOA 22 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + ssc1 {
> + pinctrl_ssc1_tx: ssc1_tx-0 {
> + atmel,pins =
> + <AT91_PIOA 13 AT91_PERIPH_B AT91_PINCTRL_NONE
> + AT91_PIOA 29 AT91_PERIPH_B AT91_PINCTRL_NONE
> + AT91_PIOA 30 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_ssc1_rx: ssc1_rx-0 {
> + atmel,pins =
> + <AT91_PIOA 8 AT91_PERIPH_B AT91_PINCTRL_NONE
> + AT91_PIOA 9 AT91_PERIPH_B AT91_PINCTRL_NONE
> + AT91_PIOA 14 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + spi0 {
> + pinctrl_spi0: spi0-0 {
> + atmel,pins =
> + <AT91_PIOA 25 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_NONE
> + AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + i2c_gpio0 {
> + pinctrl_i2c_gpio0: i2c_gpio0-0 {
> + atmel,pins =
> + <AT91_PIOA 23 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE
> + AT91_PIOA 24 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
> + };
> + };
> +
> + i2c_gpio1 {
> + pinctrl_i2c_gpio1: i2c_gpio1-0 {
> + atmel,pins =
> + <AT91_PIOD 10 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE
> + AT91_PIOD 11 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
> + };
> + };
> +
> + tcb0 {
> + pinctrl_tcb0_tclk0: tcb0_tclk0-0 {
> + atmel,pins = <AT91_PIOA 3 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_tcb0_tclk1: tcb0_tclk1-0 {
> + atmel,pins = <AT91_PIOC 31 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_tcb0_tclk2: tcb0_tclk2-0 {
> + atmel,pins = <AT91_PIOD 21 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_tcb0_tioa0: tcb0_tioa0-0 {
> + atmel,pins = <AT91_PIOA 4 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_tcb0_tioa1: tcb0_tioa1-0 {
> + atmel,pins = <AT91_PIOC 29 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_tcb0_tioa2: tcb0_tioa2-0 {
> + atmel,pins = <AT91_PIOD 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_tcb0_tiob0: tcb0_tiob0-0 {
> + atmel,pins = <AT91_PIOA 5 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_tcb0_tiob1: tcb0_tiob1-0 {
> + atmel,pins = <AT91_PIOC 30 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_tcb0_tiob2: tcb0_tiob2-0 {
> + atmel,pins = <AT91_PIOD 11 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + pioA: gpio@fffff400 {
> + compatible = "atmel,at91rm9200-gpio";
> + reg = <0xfffff400 0x200>;
> + interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + pioB: gpio@fffff600 {
> + compatible = "atmel,at91rm9200-gpio";
> + reg = <0xfffff600 0x200>;
> + interrupts = <3 IRQ_TYPE_LEVEL_HIGH 1>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + pioC: gpio@fffff800 {
> + compatible = "atmel,at91rm9200-gpio";
> + reg = <0xfffff800 0x200>;
> + interrupts = <4 IRQ_TYPE_LEVEL_HIGH 1>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + pioD: gpio@fffffa00 {
> + compatible = "atmel,at91rm9200-gpio";
> + reg = <0xfffffa00 0x200>;
> + interrupts = <5 IRQ_TYPE_LEVEL_HIGH 1>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> + };
> +
> + pmc: pmc@fffffc00 {
> + compatible = "atmel,at91rm9200-pmc";
> + reg = <0xfffffc00 0x100>;
> + };
> +
> + rstc@fffffd00 {
> + compatible = "atmel,at91sam9260-rstc";
> + reg = <0xfffffd00 0x10>;
> + };
> +
> + shdwc@fffffd10 {
> + compatible = "atmel,at91sam9260-shdwc";
> + reg = <0xfffffd10 0x10>;
> + };
> +
> + pit: timer@fffffd30 {
> + compatible = "atmel,at91sam9260-pit";
> + reg = <0xfffffd30 0xf>;
> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> + };
> +
> + watchdog@fffffd40 {
> + compatible = "atmel,at91sam9260-wdt";
> + reg = <0xfffffd40 0x10>;
> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> + status = "disabled";
> + };
> + };
> +
> + nand0: nand@40000000 {
> + compatible = "atmel,at91rm9200-nand";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + reg = <0x40000000 0x10000000
> + 0xffffe800 0x200
> + >;
> + atmel,nand-addr-offset = <21>;
> + atmel,nand-cmd-offset = <22>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_nand>;
> + gpios = <&pioD 17 GPIO_ACTIVE_HIGH
> + &pioB 6 GPIO_ACTIVE_HIGH
> + 0
> + >;
> + status = "disabled";
> + };
> + };
> +
> + i2c@0 {
> + compatible = "i2c-gpio";
> + gpios = <&pioA 23 GPIO_ACTIVE_HIGH /* sda */
> + &pioA 24 GPIO_ACTIVE_HIGH /* scl */
> + >;
> + i2c-gpio,sda-open-drain;
> + i2c-gpio,scl-open-drain;
> + i2c-gpio,delay-us = <2>; /* ~100 kHz */
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c_gpio0>;
> + status = "disabled";
> + };
> +
> + i2c@1 {
> + compatible = "i2c-gpio";
> + gpios = <&pioD 10 GPIO_ACTIVE_HIGH /* sda */
> + &pioD 11 GPIO_ACTIVE_HIGH /* scl */
> + >;
> + i2c-gpio,sda-open-drain;
> + i2c-gpio,scl-open-drain;
> + i2c-gpio,delay-us = <2>; /* ~100 kHz */
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c_gpio1>;
> + status = "disabled";
> + };
> +};
> diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
> index 3651517abedf..d6ee8bb47213 100644
> --- a/arch/arm/mach-at91/at91sam9rl.c
> +++ b/arch/arm/mach-at91/at91sam9rl.c

I would have splitted this patch in 2 different patches:
1) define at91sam9rl DT clock lookup entries
2) add at91sam9rl DT SoC support

> @@ -196,6 +196,22 @@ static struct clk_lookup periph_clocks_lookups[] = {
> CLKDEV_CON_ID("pioB", &pioB_clk),
> CLKDEV_CON_ID("pioC", &pioC_clk),
> CLKDEV_CON_ID("pioD", &pioD_clk),
> + /* more lookup table for DT entries */
> + CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
> + CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk),
> + CLKDEV_CON_DEV_ID("usart", "ffffb400.serial", &usart1_clk),
> + CLKDEV_CON_DEV_ID("usart", "ffffb800.serial", &usart2_clk),
> + CLKDEV_CON_DEV_ID("usart", "ffffbc00.serial", &usart3_clk),
> + CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk),
> + CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk),
> + CLKDEV_CON_DEV_ID("t2_clk", "fffa0000.timer", &tc2_clk),
> + CLKDEV_CON_DEV_ID("mci_clk", "fffa4000.mmc", &mmc_clk),
> + CLKDEV_CON_DEV_ID(NULL, "fffa8000.i2c", &twi0_clk),
> + CLKDEV_CON_DEV_ID(NULL, "fffac000.i2c", &twi1_clk),
> + CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk),
> + CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk),
> + CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk),
> + CLKDEV_CON_DEV_ID(NULL, "fffffa00.gpio", &pioD_clk),
> };
>
> static struct clk_lookup usart_clocks_lookups[] = {