[PATCH v1 2/4] arm: s5p4418: dm_serial: add uarts to dts
Stefan Bosch
stefan_b at posteo.net
Sun Dec 18 13:24:33 CET 2022
Add S5P4418 UARTs and appropriate pinctrl to dts. Add UART to
s5p4418-nanopi2.dts.
Signed-off-by: Stefan Bosch <stefan_b at posteo.net>
---
arch/arm/dts/s5p4418-nanopi2.dts | 6 +++
arch/arm/dts/s5p4418-pinctrl.dtsi | 71 +++++++++++++++++++++++++++++++
arch/arm/dts/s5p4418.dtsi | 40 +++++++++++++++++
3 files changed, 117 insertions(+)
diff --git a/arch/arm/dts/s5p4418-nanopi2.dts b/arch/arm/dts/s5p4418-nanopi2.dts
index 4deaf10a1c..42251e0a05 100644
--- a/arch/arm/dts/s5p4418-nanopi2.dts
+++ b/arch/arm/dts/s5p4418-nanopi2.dts
@@ -25,6 +25,7 @@
i2c0 = "/i2c at c00a4000";
i2c1 = "/i2c at c00a5000";
i2c2 = "/i2c at c00a6000";
+ serial0 = "/uart at c00a1000";
};
mmc0:mmc at c0062000 {
@@ -107,4 +108,9 @@
};
};
};
+
+ uart0:uart at c00a1000 {
+ skip-init;
+ status = "okay";
+ };
};
diff --git a/arch/arm/dts/s5p4418-pinctrl.dtsi b/arch/arm/dts/s5p4418-pinctrl.dtsi
index a7e1c2c381..0768d80fc9 100644
--- a/arch/arm/dts/s5p4418-pinctrl.dtsi
+++ b/arch/arm/dts/s5p4418-pinctrl.dtsi
@@ -132,4 +132,75 @@ pinctrl at 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 a4d1a1bd03..3027cd4bb9 100644
--- 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 at c00a1000 {
+ compatible = "nexell,s5p4418-pl011", "arm,primecell";
+ reg = <0xc00a1000 0x1000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_rx>, <&uart0_tx>;
+ status = "disabled";
+ };
+
+ uart1:uart at c00a0000 {
+ compatible = "nexell,s5p4418-pl011", "arm,primecell";
+ reg = <0xc00a0000 0x1000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_rx>, <&uart1_tx>;
+ status = "disabled";
+ };
+
+ uart2:uart at c00a2000 {
+ compatible = "nexell,s5p4418-pl011", "arm,primecell";
+ reg = <0xc00a2000 0x1000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_rx>, <&uart2_tx>;
+ status = "disabled";
+ };
+
+ uart3:uart at c00a3000 {
+ compatible = "nexell,s5p4418-pl011", "arm,primecell";
+ reg = <0xc00a3000 0x1000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart3_rx>, <&uart3_tx>;
+ status = "disabled";
+ };
+
+ uart4:uart at c006d000 {
+ compatible = "nexell,s5p4418-pl011", "arm,primecell";
+ reg = <0xc006d000 0x1000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart4_rx>, <&uart4_tx>;
+ status = "disabled";
+ };
};
--
2.17.1
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