arm: at91: dt: at91sam9 add serial pinctrl support
Set the dbgu pinctrl config by default as we have only one possible config
For other uart set the rxd/txd by default.
For at91sam9x5ek create soc based dts as we need to include specific soc dtsi.
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index 8b52764..e057f66 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -117,6 +117,79 @@
>;
/* shared pinctrl settings */
+ dbgu {
+ pinctrl_dbgu: dbgu-0 {
+ atmel,pins =
+ <0 9 0x1 0x0 /* PA9 periph A */
+ 0 10 0x1 0x1>; /* PA10 periph with pullup */
+ };
+ };
+
+ uart0 {
+ pinctrl_uart0: uart0-0 {
+ atmel,pins =
+ <0 1 0x1 0x1 /* PA1 periph A with pullup */
+ 0 0 0x1 0x0>; /* PA0 periph A */
+ };
+
+ pinctrl_uart0_rts_cts: uart0_rts_cts-0 {
+ atmel,pins =
+ <0 2 0x1 0x0 /* PA2 periph A */
+ 0 3 0x1 0x0>; /* PA3 periph A */
+ };
+ };
+
+ uart1 {
+ pinctrl_uart1: uart1-0 {
+ atmel,pins =
+ <0 6 0x1 0x1 /* PA6 periph A with pullup */
+ 0 5 0x1 0x0>; /* PA5 periph A */
+ };
+ };
+
+ uart2 {
+ pinctrl_uart2: uart2-0 {
+ atmel,pins =
+ <0 8 0x1 0x1 /* PA8 periph A with pullup */
+ 0 7 0x1 0x0>; /* PA7 periph A */
+ };
+
+ pinctrl_uart2_rts_cts: uart2_rts_cts-0 {
+ atmel,pins =
+ <1 0 0x2 0x0 /* PB0 periph B */
+ 1 1 0x2 0x0>; /* PB1 periph B */
+ };
+ };
+
+ uart3 {
+ pinctrl_uart3: uart3-0 {
+ atmel,pins =
+ <2 23 0x2 0x1 /* PC23 periph B with pullup */
+ 2 22 0x2 0x0>; /* PC22 periph B */
+ };
+
+ pinctrl_uart3_rts_cts: uart3_rts_cts-0 {
+ atmel,pins =
+ <2 24 0x2 0x0 /* PC24 periph B */
+ 2 25 0x2 0x0>; /* PC25 periph B */
+ };
+ };
+
+ usart0 {
+ pinctrl_usart0: usart0-0 {
+ atmel,pins =
+ <2 9 0x3 0x1 /* PC9 periph C with pullup */
+ 2 8 0x3 0x0>; /* PC8 periph C */
+ };
+ };
+
+ usart1 {
+ pinctrl_usart1: usart1-0 {
+ atmel,pins =
+ <2 16 0x3 0x1 /* PC17 periph C with pullup */
+ 2 17 0x3 0x0>; /* PC16 periph C */
+ };
+ };
pioA: gpio@fffff400 {
compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
@@ -163,6 +236,8 @@
compatible = "atmel,at91sam9260-usart";
reg = <0xfffff200 0x200>;
interrupts = <1 4 7>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_dbgu>;
status = "disabled";
};
@@ -172,6 +247,8 @@
interrupts = <5 4 5>;
atmel,use-dma-rx;
atmel,use-dma-tx;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart0>;
status = "disabled";
};
@@ -181,6 +258,8 @@
interrupts = <6 4 5>;
atmel,use-dma-rx;
atmel,use-dma-tx;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1>;
status = "disabled";
};
@@ -190,6 +269,8 @@
interrupts = <7 4 5>;
atmel,use-dma-rx;
atmel,use-dma-tx;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart2>;
status = "disabled";
};
@@ -199,6 +280,8 @@
interrupts = <8 4 5>;
atmel,use-dma-rx;
atmel,use-dma-tx;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart3>;
status = "disabled";
};