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authorJoachim Eastwood <manabian@gmail.com>2013-02-08 02:25:54 +0100
committerNicolas Ferre <nicolas.ferre@atmel.com>2013-03-21 16:07:13 +0100
commit2d25210ddd116e8fa4afc45529db6b5cb1f3538b (patch)
treef7c542f098cf2cae94513d9a23973eb60bd75824 /arch/arm
parent463c9c7bf1f3ef508c8526a49763fb64cdf9ef95 (diff)
downloadlinux-2d25210ddd116e8fa4afc45529db6b5cb1f3538b.tar.bz2
ARM: at91: add TWI bindings to RM9200 DT
Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/at91rm9200.dtsi20
-rw-r--r--arch/arm/mach-at91/at91rm9200.c1
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index b0268a5f4b4e..a7031c6b8603 100644
--- a/arch/arm/boot/dts/at91rm9200.dtsi
+++ b/arch/arm/boot/dts/at91rm9200.dtsi
@@ -29,6 +29,7 @@
gpio3 = &pioD;
tcb0 = &tcb0;
tcb1 = &tcb1;
+ i2c0 = &i2c0;
ssc0 = &ssc0;
ssc1 = &ssc1;
ssc2 = &ssc2;
@@ -91,6 +92,17 @@
interrupts = <20 4 0 21 4 0 22 4 0>;
};
+ i2c0: i2c@fffb8000 {
+ compatible = "atmel,at91rm9200-i2c";
+ reg = <0xfffb8000 0x4000>;
+ interrupts = <12 4 6>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_twi>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
mmc0: mmc@fffb4000 {
compatible = "atmel,hsmci";
reg = <0xfffb4000 0x4000>;
@@ -365,6 +377,14 @@
};
};
+ twi {
+ pinctrl_twi: twi-0 {
+ atmel,pins =
+ <0 25 0x1 0x2 /* PA25 periph A with multi drive */
+ 0 26 0x1 0x2>; /* PA26 periph A with multi drive */
+ };
+ };
+
pioA: gpio@fffff400 {
compatible = "atmel,at91rm9200-gpio";
reg = <0xfffff400 0x200>;
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 9706c000f294..36b05fc28816 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -212,6 +212,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_DEV_ID("t2_clk", "fffa4000.timer", &tc5_clk),
CLKDEV_CON_DEV_ID("mci_clk", "fffb4000.mmc", &mmc_clk),
CLKDEV_CON_DEV_ID("emac_clk", "fffbc000.ethernet", &ether_clk),
+ CLKDEV_CON_DEV_ID(NULL, "fffb8000.i2c", &twi_clk),
CLKDEV_CON_DEV_ID("hclk", "300000.ohci", &ohci_clk),
CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk),
CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk),