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dts: rx: renesas: Add i2c support on RX261 #99720

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dts: rx: renesas: Add i2c support on RX261 #99720

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fc8d049
manifest: hal_renesas: Update commit revision to support i2c on RX261
quytranpzz Nov 21, 2025
a3c0ca0
dts: renesas: rx: Add dts property node for I2C support on RX261
Nov 17, 2025
2c2da3f
boards: renesas: Add I2C support for EK-RX261 board
Nov 17, 2025
56407fd
boards: renesas: Add I2C support for FPB-RX261 board
Nov 17, 2025
0ca9f25
tests: drivers: i2c: Add overlay and config file for EK-RX261 board
Nov 17, 2025
333a58a
tests: drivers: i2c: Add overlay and config file for FPB-RX261 board
Nov 17, 2025
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7 changes: 7 additions & 0 deletions boards/renesas/ek_rx261/ek_rx261-pinctrl.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -11,4 +11,11 @@
<RX_PSEL(RX_PSEL_SCI_6, 11, 0)>; /* RX */
};
};

i2c0_default: i2c0_default {
group1 {
psels = <RX_PSEL(RX_PSEL_P1nPFS_SDA, 1, 3)>, /* SDA P13*/
<RX_PSEL(RX_PSEL_P1nPFS_SCL, 1, 2)>; /* SCL P12*/
};
};
};
7 changes: 7 additions & 0 deletions boards/renesas/ek_rx261/ek_rx261.dts
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Expand Up @@ -95,3 +95,10 @@
status = "okay";
};
};

&i2c0 {
pinctrl-0 = <&i2c0_default>;
pinctrl-names = "default";
clock-frequency = <DT_FREQ_K(400)>;
status = "okay";
};
7 changes: 7 additions & 0 deletions boards/renesas/fpb_rx261/fpb_rx261-pinctrl.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -11,4 +11,11 @@
<RX_PSEL(RX_PSEL_SCI_5, 0xC, 0x2)>; /* RX */
};
};

i2c0_default: i2c0_default {
group1 {
psels = <RX_PSEL(RX_PSEL_P1nPFS_SDA, 1, 3)>, /* SDA P13*/
<RX_PSEL(RX_PSEL_P1nPFS_SCL, 1, 2)>; /* SCL P12*/
};
};
};
7 changes: 7 additions & 0 deletions boards/renesas/fpb_rx261/fpb_rx261.dts
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Expand Up @@ -84,3 +84,10 @@
status = "okay";
};
};

&i2c0 {
pinctrl-0 = <&i2c0_default>;
pinctrl-names = "default";
clock-frequency = <DT_FREQ_K(400)>;
status = "okay";
};
12 changes: 12 additions & 0 deletions dts/rx/renesas/rx261-common.dtsi
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Expand Up @@ -455,6 +455,18 @@
};
};

i2c0: i2c@88300 {
compatible = "renesas,rx-i2c";
#address-cells = <0x1>;
#size-cells = <0x0>;
reg = <0x88300 0x20>;
clocks = <&pclkb MSTPB 21>;
channel = <0>;
interrupts = <246 1>, <247 1>, <248 1>, <249 1>;
interrupt-names = "eei", "rxi", "txi", "tei";
status = "disabled";
};

cmt: timer@88000 {
compatible = "renesas,rx-timer-cmt-start-control";
#address-cells = <1>;
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1 change: 1 addition & 0 deletions tests/drivers/i2c/i2c_api/boards/ek_rx261.conf
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@@ -0,0 +1 @@
CONFIG_SENSOR_GY271_QMC=y
11 changes: 11 additions & 0 deletions tests/drivers/i2c/i2c_api/boards/ek_rx261.overlay
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@@ -0,0 +1,11 @@
/*
* Copyright (c) 2025 Renesas Electronics Corporation
* SPDX-License-Identifier: Apache-2.0
*/

/ {
aliases {
i2c-0 = &i2c0;
gy271 = &i2c0;
};
};
1 change: 1 addition & 0 deletions tests/drivers/i2c/i2c_api/boards/fpb_rx261.conf
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@@ -0,0 +1 @@
CONFIG_SENSOR_GY271_QMC=y
11 changes: 11 additions & 0 deletions tests/drivers/i2c/i2c_api/boards/fpb_rx261.overlay
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@@ -0,0 +1,11 @@
/*
* Copyright (c) 2025 Renesas Electronics Corporation
* SPDX-License-Identifier: Apache-2.0
*/

/ {
aliases {
i2c-0 = &i2c0;
gy271 = &i2c0;
};
};
2 changes: 1 addition & 1 deletion west.yml
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Expand Up @@ -226,7 +226,7 @@ manifest:
- hal
- name: hal_renesas
path: modules/hal/renesas
revision: a279c14e196cb0904593035888a334dcd2c720bd
revision: pull/170/head
groups:
- hal
- name: hal_rpi_pico
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