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>

1 files changed, 83 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index 8b5276499aaf..e057f660296f 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";
                         };