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Message-ID: <20260115122210.3971063-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Thu, 15 Jan 2026 12:22:10 +0000
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
linux-renesas-soc@...r.kernel.org
Cc: devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Prabhakar <prabhakar.csengg@...il.com>,
Biju Das <biju.das.jz@...renesas.com>,
Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH] arm64: dts: renesas: rzt2h/rzn2h-evk: Reorder ADC nodes
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Reorder the ADC nodes in the dts/i files so they follow the same
alphabetical ordering used elsewhere in these files.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
.../dts/renesas/r9a09g077m44-rzt2h-evk.dts | 55 +++---
.../dts/renesas/r9a09g087m44-rzn2h-evk.dts | 127 +++++++-------
.../dts/renesas/rzt2h-n2h-evk-common.dtsi | 157 +++++++++---------
3 files changed, 171 insertions(+), 168 deletions(-)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
index eedea1ce57e6..e9639bbb2d70 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
@@ -171,6 +171,34 @@ led-8 {
};
};
+&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>;
+ };
+};
+
&canfd {
pinctrl-0 = <&can0_pins>;
pinctrl-names = "default";
@@ -310,30 +338,3 @@ usb_pins: usb-pins {
};
};
-&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>;
- };
-};
diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
index 5d1da4de8af6..19f0a2c06753 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
@@ -210,6 +210,70 @@ led-11 {
};
};
+&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>;
+ };
+};
+
#if CANFD_ENABLE
&canfd {
pinctrl-0 = <&can1_pins>;
@@ -368,66 +432,3 @@ usb_pins: usb-pins {
};
};
-&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>;
- };
-};
diff --git a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
index 63bd91690b54..510399febf29 100644
--- a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
@@ -69,6 +69,85 @@ vccq_sdhi1: regulator-vccq-sdhi1 {
#endif
};
+/*
+ * 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>;
+ };
+};
+
&ehci {
dr_mode = "otg";
status = "okay";
@@ -315,81 +394,3 @@ &wdt2 {
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>;
- };
-};
--
2.52.0
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