diff options
| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2025-12-24 20:52:02 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2026-01-09 14:12:39 +0300 |
| commit | 3e6c313f4f996ce73b80873b8172610003e90f35 (patch) | |
| tree | 0e1c36c9cc85ef37b4fa113eff7b8e11705af2f8 | |
| parent | d3112a820ccfe9a39c171fe3bc313794f1325711 (diff) | |
| download | linux-3e6c313f4f996ce73b80873b8172610003e90f35.tar.xz | |
arm64: dts: renesas: r9a09g087m44-rzn2h-evk: Enable CANFD
Enable CANFD channel 1, which is available on the CN35 connector.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251224175204.3400062-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts index 252f1c21ff90..5d1da4de8af6 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts @@ -30,6 +30,13 @@ #define SD0_SD (!SD0_EMMC) /* + * To enable CANFD interface disable both eMMC and SD card on SDHI0 by + * setting SD0_EMMC and SD0_SD macros to 0 as pins P12_0 and P12_1 + * will be used for CANFD interface. + */ +#define CANFD_ENABLE (!SD0_EMMC && !SD0_SD) + +/* * P17_4 = SD1_CD; DSW5[3] = ON; DSW19[1] = OFF; DSW19[2] = ON * P08_6 = SD1_IOVS; DSW5[3] = ON * To enable proper operation in 1.8V modes, JP21 must have pins 2 and 3 @@ -203,6 +210,18 @@ }; }; +#if CANFD_ENABLE +&canfd { + pinctrl-0 = <&can1_pins>; + pinctrl-names = "default"; + status = "okay"; + + channel1 { + status = "okay"; + }; +}; +#endif + #if I2C0 &i2c0 { pinctrl-0 = <&i2c0_pins>; @@ -240,6 +259,16 @@ &pinctrl { /* + * CAN1 Pin Configuration: + * + * DSW5[1] ON; DSW5[2] OFF - Use P12_0 and P12_1 for CAN1 interface. + */ + can1_pins: can1-pins { + pinmux = <RZT2H_PORT_PINMUX(12, 0, 0x19)>, /* CANRX1 */ + <RZT2H_PORT_PINMUX(12, 1, 0x19)>; /* CANTX1 */ + }; + + /* * GMAC2 Pin Configuration: * * DSW5[6] OFF - connect MDC/MDIO of Ethernet port 2 to GMAC2 |