diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2026-05-28 08:02:35 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2026-05-29 14:57:47 +0200 |
| commit | 52d7c11a0d586300b16028a64c8367c8bf75fc8e (patch) | |
| tree | 290264b54a656805aae2be38e388654c4ad88236 /arch | |
| parent | 566b666f8163b50db0544c866b95014684be4856 (diff) | |
| download | linux-next-history-52d7c11a0d586300b16028a64c8367c8bf75fc8e.tar.gz | |
arm64: dts: renesas: r9a08g046l48-smarc: Enable I2C{2,3} devices
Enable I2C{2,3} on the RZ/G3L SMARC EVK board. I2C3 is enabled by
setting SW SYS.2 to the OFF position.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://patch.msgid.link/20260528070239.33352-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts | 29 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi | 4 |
2 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts index ef00e316fbde7..1512b7df39bde 100644 --- a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts +++ b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts @@ -11,6 +11,7 @@ #define RZ_BOOT_MODE3 1 #define SW_DPI_EN 0 #define SW_GPIO4 1 +#define SW_I3C_EN 0 #define PMOD_GPIO4 0 #define PMOD_GPIO6 0 @@ -33,10 +34,28 @@ "renesas,r9a08g046l48", "renesas,r9a08g046"; aliases { + i2c2 = &i2c2; + i2c3 = &i2c3; serial3 = &scif0; }; }; +&i2c2 { + pinctrl-0 = <&i2c2_pins>; + pinctrl-names = "default"; + + status = "okay"; +}; + +#if !SW_I3C_EN +&i2c3 { + pinctrl-0 = <&i2c3_pins>; + pinctrl-names = "default"; + + status = "okay"; +}; +#endif + &keys { #if !RZ_BOOT_MODE3 || !SW_GPIO4 || PMOD_GPIO4 /delete-node/ key-1; @@ -52,6 +71,16 @@ }; &pinctrl { + i2c2_pins: i2c2 { + pinmux = <RZG3L_PORT_PINMUX(A, 4, 4)>, /* RIIC2_SCL */ + <RZG3L_PORT_PINMUX(A, 5, 4)>; /* RIIC2_SDA */ + }; + + i2c3_pins: i2c3 { + pinmux = <RZG3L_PORT_PINMUX(2, 0, 4)>, /* RIIC3_SCL */ + <RZG3L_PORT_PINMUX(2, 1, 4)>; /* RIIC3_SDA */ + }; + scif0_pins: scif0 { pins = "SCIF0_TXD", "SCIF0_RXD"; power-source = <1800>; diff --git a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi index 06c6ccac5ad2c..17bf447783988 100644 --- a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi @@ -9,6 +9,10 @@ * Please set the below switch position on the SoM and the corresponding macro * on the board DTS: * + * Switch position SYS.2, Macro SW_I3C_EN: + * 0 - SMARC_I2C_GP is enabled + * 1 - I3C is enabled + * * Switch position SYS.5, Macro SW_DPI_EN: * 0 - Select multiple SMARC signals active * 1 - Select LCD |