2015-02-11 15:19:13

by Nicolas Ferre

[permalink] [raw]
Subject: [PATCH 2/2] ARM: at91/dt: add i2c1 declaration to sama5d4

From: Philip Attfield <[email protected]>

Add alias, node declaration and pinctrl for i2c1 (aka: twi1).

Signed-off-by: Philip Attfield <[email protected]>
Signed-off-by: Nicolas Ferre <[email protected]>
---
arch/arm/boot/dts/sama5d4.dtsi | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
index 97d5b9759c07..2f4cf5af2405 100644
--- a/arch/arm/boot/dts/sama5d4.dtsi
+++ b/arch/arm/boot/dts/sama5d4.dtsi
@@ -67,6 +67,7 @@
tcb0 = &tcb0;
tcb1 = &tcb1;
i2c0 = &i2c0;
+ i2c1 = &i2c1;
i2c2 = &i2c2;
};
cpus {
@@ -839,6 +840,25 @@
status = "disabled";
};

+ i2c1: i2c@f8018000 {
+ compatible = "atmel,at91sam9x5-i2c";
+ reg = <0xf8018000 0x4000>;
+ interrupts = <33 IRQ_TYPE_LEVEL_HIGH 6>;
+ dmas = <&dma1
+ (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
+ AT91_XDMAC_DT_PERID(4)>,
+ <&dma1
+ (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
+ AT91_XDMAC_DT_PERID(5)>;
+ dma-names = "tx", "rx";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&twi1_clk>;
+ status = "disabled";
+ };
+
tcb0: timer@f801c000 {
compatible = "atmel,at91sam9x5-tcb";
reg = <0xf801c000 0x100>;
@@ -1190,6 +1210,14 @@
};
};

+ i2c1 {
+ pinctrl_i2c1: i2c1-0 {
+ atmel,pins =
+ <AT91_PIOE 29 AT91_PERIPH_C AT91_PINCTRL_NONE /* TWD1, conflicts with UART0 RX and DIBP */
+ AT91_PIOE 30 AT91_PERIPH_C AT91_PINCTRL_NONE>; /* TWCK1, conflicts with UART0 TX and DIBN */
+ };
+ };
+
i2c2 {
pinctrl_i2c2: i2c2-0 {
atmel,pins =
--
2.1.3