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| author |   Biju Das <biju.das.jz@bp.renesas.com> | 2025-03-20 16:41:17 +0000 |
|---|---|---|
| committer |   Geert Uytterhoeven <geert+renesas@glider.be> | 2025-05-05 10:29:25 +0200 |
| commit | f2858ea240d35ed35dc87108cf8b06685e89a421 (patch) | |
| tree | 3ef3d87d6b3c93ad4e2765a9a5e6cbba6e9744cb | |
| parent | arm64: dts: renesas: r9a09g047: Add CANFD node (diff) | |
| download | wireguard-linux-f2858ea240d35ed35dc87108cf8b06685e89a421.tar.xz wireguard-linux-f2858ea240d35ed35dc87108cf8b06685e89a421.zip | |
arm64: dts: renesas: r9a09g047e57-smarc: Enable CANFD
Enable CANFD on the RZ/G3E SMARC EVK platform.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250320164121.193857-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts | 31 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi | 4 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi | 14 |
3 files changed, 46 insertions, 3 deletions
diff --git a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts index 5d7983812c70..7e1daaabce8a 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts @@ -8,6 +8,8 @@ /dts-v1/; /* Switch selection settings */ +#define SW_LCD_EN 0 +#define SW_PDM_EN 0 #define SW_SD0_DEV_SEL 0 #define SW_SDIO_M2E 0 @@ -33,7 +35,36 @@ }; }; +&canfd { + pinctrl-0 = <&canfd_pins>; + pinctrl-names = "default"; + +#if (!SW_PDM_EN) + channel1 { + status = "okay"; + }; +#endif + +#if (!SW_LCD_EN) + channel4 { + status = "okay"; + }; +#endif +}; + &pinctrl { + canfd_pins: canfd { + can1_pins: can1 { + pinmux = <RZG3E_PORT_PINMUX(L, 2, 3)>, /* RX */ + <RZG3E_PORT_PINMUX(L, 3, 3)>; /* TX */ + }; + + can4_pins: can4 { + pinmux = <RZG3E_PORT_PINMUX(5, 2, 3)>, /* RX */ + <RZG3E_PORT_PINMUX(5, 3, 3)>; /* TX */ + }; + }; + scif_pins: scif { pins = "SCIF_TXD", "SCIF_RXD"; renesas,output-impedance = <1>; diff --git a/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi b/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi index fd82df8adc1e..1d3a844174b3 100644 --- a/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi +++ b/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi @@ -29,6 +29,10 @@ }; }; +&canfd { + status = "okay"; +}; + &scif0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi index 7c7c7e5f4361..43d79158d81a 100644 --- a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi @@ -6,12 +6,20 @@ */ /* - * Please set the switch position SYS.1 on the SoM and the corresponding macro - * SW_SD0_DEV_SEL on the board DTS: + * Please set the below switch position on the SoM and the corresponding macro + * on the board DTS: * - * SW_SD0_DEV_SEL: + * Switch position SYS.1, Macro SW_SD0_DEV_SEL: * 0 - SD0 is connected to eMMC (default) * 1 - SD0 is connected to uSD0 card + * + * Switch position SYS.5, Macro SW_LCD_EN: + * 0 - Select Misc. Signals routing + * 1 - Select LCD + * + * Switch position BOOT.6, Macro SW_PDM_EN: + * 0 - Select CAN routing + * 1 - Select PDM */ / { |