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arm64: dts: renesas: rzt2h/rzn2h-evk: Enable ADCs

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The ADCs on RZ/T2H and RZ/N2H are exposed on the evaluation kit boards.

Enable them.

Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251005111323.804638-6-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Cosmin Tanislav 2025-10-05 14:13:21 +03:00 committed by Geert Uytterhoeven
parent 4ed27b4fde
commit 62fb11fba0
3 changed files with 171 additions and 0 deletions
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28
arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
View File

@ -182,3 +182,31 @@ usb_pins: usb-pins {
<RZT2H_PORT_PINMUX(0, 1, 0x13)>; /* OVRCUR */
};
};
&adc2 {
status = "okay";
channel@0 {
reg = <0x0>;
};
channel@1 {
reg = <0x1>;
};
channel@2 {
reg = <0x2>;
};
channel@3 {
reg = <0x3>;
};
channel@4 {
reg = <0x4>;
};
channel@5 {
reg = <0x5>;
};
};

64
arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
View File

@ -227,3 +227,67 @@ usb_pins: usb-pins {
<RZT2H_PORT_PINMUX(2, 3, 0x13)>; /* OVRCUR */
};
};
&adc2 {
status = "okay";
channel@0 {
reg = <0x0>;
};
channel@1 {
reg = <0x1>;
};
channel@2 {
reg = <0x2>;
};
channel@3 {
reg = <0x3>;
};
channel@4 {
reg = <0x4>;
};
channel@5 {
reg = <0x5>;
};
channel@6 {
reg = <0x6>;
};
channel@7 {
reg = <0x7>;
};
channel@8 {
reg = <0x8>;
};
channel@9 {
reg = <0x9>;
};
channel@a {
reg = <0xa>;
};
channel@b {
reg = <0xb>;
};
channel@c {
reg = <0xc>;
};
channel@d {
reg = <0xd>;
};
channel@e {
reg = <0xe>;
};
};

79
arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
View File

@ -244,3 +244,82 @@ &wdt2 {
status = "okay";
timeout-sec = <60>;
};
/*
* ADC0 AN000 can be connected to a potentiometer on the board or
* exposed on ADC header.
*
* T2H:
* SW17[1] = ON, SW17[2] = OFF - Potentiometer
* SW17[1] = OFF, SW17[2] = ON - CN41 header
* N2H:
* DSW6[1] = OFF, DSW6[2] = ON - Potentiometer
* DSW6[1] = ON, DSW6[2] = OFF - CN3 header
*/
&adc0 {
status = "okay";
channel@0 {
reg = <0x0>;
};
channel@1 {
reg = <0x1>;
};
channel@2 {
reg = <0x2>;
};
channel@3 {
reg = <0x3>;
};
};
/*
* ADC1 AN100 can be exposed on ADC header or on mikroBUS connector.
*
* T2H:
* SW18[1] = ON, SW18[2] = OFF - CN42 header
* SW18[1] = OFF, SW18[2] = ON - mikroBUS
* N2H:
* DSW6[3] = ON, DSW6[4] = OFF - CN4 header
* DSW6[3] = OFF, DSW6[4] = ON - mikroBUS
*
* ADC1 AN101 can be exposed on ADC header or on Grove2 connector.
*
* T2H:
* SW18[3] = ON, SW18[4] = OFF - CN42 header
* SW18[3] = OFF, SW18[4] = ON - Grove2
* N2H:
* DSW6[5] = ON, DSW6[6] = OFF - CN4 header
* DSW6[5] = OFF, DSW6[6] = ON - Grove2
*
* ADC1 AN102 can be exposed on ADC header or on Grove2 connector.
*
* T2H:
* SW18[5] = ON, SW18[6] = OFF - CN42 header
* SW18[5] = OFF, SW18[6] = ON - Grove2
* N2H:
* DSW6[7] = ON, DSW6[8] = OFF - CN4 header
* DSW6[7] = OFF, DSW6[8] = ON - Grove2
*/
&adc1 {
status = "okay";
channel@0 {
reg = <0x0>;
};
channel@1 {
reg = <0x1>;
};
channel@2 {
reg = <0x2>;
};
channel@3 {
reg = <0x3>;
};
};