Add the missing CAN devices node including their pin muxing and clocks.
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>
Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
---
Changes in v3:
* Match the pin name to the ones in the datasheet.
arch/arm/boot/dts/at91sam9x5.dtsi | 48 +++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index e1a5c70..a58c1de 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -363,6 +363,16 @@
#clock-cells = <0>;
reg = <28>;
};
+
+ can0_clk: can0_clk {
+ #clock-cells = <0>;
+ reg = <29>;
+ };
+
+ can1_clk: can1_clk {
+ #clock-cells = <0>;
+ reg = <30>;
+ };
};
};
@@ -407,6 +417,28 @@
};
};
+ can0: can@f8000000 {
+ compatible = "atmel,at91sam9x5-can";
+ reg = <0xf8000000 0x300>;
+ interrupts = <29 IRQ_TYPE_LEVEL_HIGH 3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can0_rx_tx>;
+ clocks = <&can0_clk>;
+ clock-names = "can_clk";
+ status = "disabled";
+ };
+
+ can1: can@f8004000 {
+ compatible = "atmel,at91sam9x5-can";
+ reg = <0xf8004000 0x300>;
+ interrupts = <30 IRQ_TYPE_LEVEL_HIGH 3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can1_rx_tx>;
+ clocks = <&can1_clk>;
+ clock-names = "can_clk";
+ status = "disabled";
+ };
+
tcb0: timer@f8008000 {
compatible = "atmel,at91sam9x5-tcb";
reg = <0xf8008000 0x100>;
@@ -763,6 +795,22 @@
};
};
+ can0 {
+ pinctrl_can0_rx_tx: can0_rx_tx {
+ atmel,pins =
+ <AT91_PIOA 9 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX0, conflicts with DRXD */
+ AT91_PIOA 10 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* CANTX0, conflicts with DTXD */
+ };
+ };
+
+ can1 {
+ pinctrl_can1_rx_tx: can1_rx_tx {
+ atmel,pins =
+ <AT91_PIOA 6 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX1, conflicts with RXD1 */
+ AT91_PIOA 5 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* CANTX1, conflicts with TXD1 */
+ };
+ };
+
pioA: gpio@fffff400 {
compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
reg = <0xfffff400 0x200>;
--
2.0.4
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