arm: s5p4418: dm_serial: add uarts to dts

Add S5P4418 UARTs and appropriate pinctrl to dts. Add UART to
s5p4418-nanopi2.dts.

Signed-off-by: Stefan Bosch <stefan_b@posteo.net>

diff --git a/arch/arm/dts/s5p4418-nanopi2.dts b/arch/arm/dts/s5p4418-nanopi2.dts
index 4deaf10..42251e0 100644 (file)
--- a/arch/arm/dts/s5p4418-nanopi2.dts
+++ b/arch/arm/dts/s5p4418-nanopi2.dts
@@ -25,6 +25,7 @@
                i2c0 = "/i2c@c00a4000";
                i2c1 = "/i2c@c00a5000";
                i2c2 = "/i2c@c00a6000";
+               serial0 = "/uart@c00a1000";
        };
 
        mmc0:mmc@c0062000 {
@@ -107,4 +108,9 @@
                        };
                };
        };
+
+       uart0:uart@c00a1000 {
+               skip-init;
+               status = "okay";
+       };
 };

diff --git a/arch/arm/dts/s5p4418-pinctrl.dtsi b/arch/arm/dts/s5p4418-pinctrl.dtsi
index a7e1c2c..0768d80 100644 (file)
--- a/arch/arm/dts/s5p4418-pinctrl.dtsi
+++ b/arch/arm/dts/s5p4418-pinctrl.dtsi
@@ -132,4 +132,75 @@ pinctrl@C0010000 {
                pin-pull = <2>;
                pin-strength = <0>;
        };
+
+       /* UART */
+       uart0_rx:uart0-rx {
+               pins = "gpiod-14";
+               pin-function = <1>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
+
+       uart0_tx:uart0-tx {
+               pins = "gpiod-18";
+               pin-function = <1>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
+
+       uart1_rx:uart1-rx {
+               pins = "gpiod-15";
+               pin-function = <2>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
+
+       uart1_tx:uart1-tx {
+               pins = "gpiod-19";
+               pin-function = <2>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
+
+       uart2_rx:uart2-rx {
+               pins = "gpiod-16";
+               pin-function = <1>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
+
+       uart2_tx:uart2-tx {
+               pins = "gpiod-20";
+               pin-function = <1>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
+
+       uart3_rx:uart3-rx {
+               pins = "gpiod-17";
+               pin-function = <1>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
+
+       uart3_tx:uart3-tx {
+               pins = "gpiod-21";
+               pin-function = <1>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
+
+       uart4_rx:uart4-rx {
+               pins = "gpiob-28";
+               pin-function = <3>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
+
+       uart4_tx:uart4-tx {
+               pins = "gpiob-29";
+               pin-function = <3>;
+               pin-pull = <2>;
+               pin-strength = <0>;
+       };
 };

diff --git a/arch/arm/dts/s5p4418.dtsi b/arch/arm/dts/s5p4418.dtsi
index a4d1a1b..3027cd4 100644 (file)
--- a/arch/arm/dts/s5p4418.dtsi
+++ b/arch/arm/dts/s5p4418.dtsi
@@ -167,4 +167,44 @@
                reg = <0xc0010000 0xf000>;
                u-boot,dm-pre-reloc;
        };
+
+       uart0:uart@c00a1000 {
+               compatible = "nexell,s5p4418-pl011", "arm,primecell";
+               reg = <0xc00a1000 0x1000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&uart0_rx>, <&uart0_tx>;
+               status = "disabled";
+       };
+
+       uart1:uart@c00a0000 {
+               compatible = "nexell,s5p4418-pl011", "arm,primecell";
+               reg = <0xc00a0000 0x1000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&uart1_rx>, <&uart1_tx>;
+               status = "disabled";
+       };
+
+       uart2:uart@c00a2000 {
+               compatible = "nexell,s5p4418-pl011", "arm,primecell";
+               reg = <0xc00a2000 0x1000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&uart2_rx>, <&uart2_tx>;
+               status = "disabled";
+       };
+
+       uart3:uart@c00a3000 {
+               compatible = "nexell,s5p4418-pl011", "arm,primecell";
+               reg = <0xc00a3000 0x1000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&uart3_rx>, <&uart3_tx>;
+               status = "disabled";
+       };
+
+       uart4:uart@c006d000 {
+               compatible = "nexell,s5p4418-pl011", "arm,primecell";
+               reg = <0xc006d000 0x1000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&uart4_rx>, <&uart4_tx>;
+               status = "disabled";
+       };
 };