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arm: s5p4418: dm_serial: add uarts to dts

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

Signed-off-by: Stefan Bosch <stefan_b@posteo.net>
This commit is contained in:
Stefan Bosch
2022-12-18 12:24:33 +00:00
committed by Tom Rini
parent 5ec6cbcc7f
commit c8ba27f760
3 changed files with 117 additions and 0 deletions
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6
arch/arm/dts/s5p4418-nanopi2.dts
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@@ -25,6 +25,7 @@
i2c0 = "/i2c@c00a4000"; i2c0 = "/i2c@c00a4000";
i2c1 = "/i2c@c00a5000"; i2c1 = "/i2c@c00a5000";
i2c2 = "/i2c@c00a6000"; i2c2 = "/i2c@c00a6000";
serial0 = "/uart@c00a1000";
}; };
mmc0:mmc@c0062000 { mmc0:mmc@c0062000 {
@@ -107,4 +108,9 @@
}; };
}; };
}; };
uart0:uart@c00a1000 {
skip-init;
status = "okay";
};
}; };

71
arch/arm/dts/s5p4418-pinctrl.dtsi
View File

@@ -132,4 +132,75 @@ pinctrl@C0010000 {
pin-pull = <2>; pin-pull = <2>;
pin-strength = <0>; 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>;
};
}; };

40
arch/arm/dts/s5p4418.dtsi
View File

@@ -167,4 +167,44 @@
reg = <0xc0010000 0xf000>; reg = <0xc0010000 0xf000>;
u-boot,dm-pre-reloc; 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";
};
}; };