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Add CAN driver support for Renesas RZ/G3S #83778

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Add CAN driver support for Renesas RZ/G3S #83778

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a6bfbc0
drivers: can: Initial support for RZ/G3S
Jan 8, 2025
344ce9c
dts: renesas: Add CAN support for RZ/G3S
Jan 8, 2025
3d0d65c
boards: renesas: rzg3s_smarc: Add CAN support
Jan 8, 2025
f8912e1
tests: drivers: can: Add support for RZ/G3S-SMARC
Jan 8, 2025
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2 changes: 2 additions & 0 deletions boards/renesas/rzg3s_smarc/doc/index.rst
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Expand Up @@ -67,6 +67,8 @@ and the following hardware features:
+-----------+------------+-------------------------------------+
| UART | on-chip | serial |
+-----------+------------+-------------------------------------+
| CANFD | on-chip | can |
+-----------+------------+-------------------------------------+

Other hardware features are currently not supported by the port.

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14 changes: 14 additions & 0 deletions boards/renesas/rzg3s_smarc/rzg3s_smarc-pinctrl.dtsi
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Expand Up @@ -35,4 +35,18 @@
<RZG_PINMUX(PORT_15, 2, 6)>; /* TXD */
};
};

/omit-if-no-ref/ can0_pins: can0 {
can0-pinmux {
pinmux = <RZG_PINMUX(PORT_06, 1, 3)>, /* TX */
<RZG_PINMUX(PORT_06, 2, 3)>; /* RX */
};
};

/omit-if-no-ref/ can1_pins: can1 {
can1-pinmux {
pinmux = <RZG_PINMUX(PORT_17, 0, 3)>, /* TX */
<RZG_PINMUX(PORT_17, 1, 3)>; /* RX */
};
};
};
13 changes: 13 additions & 0 deletions boards/renesas/rzg3s_smarc/rzg3s_smarc_r9a08g045s33gbg_cm33.dts
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Expand Up @@ -74,6 +74,19 @@
reg = <0x80200000 DT_SIZE_K(256)>;
};

transceiver0: can-phy0 {
compatible = "can-transceiver-gpio";
standby-gpios = <&gpio13 0 GPIO_ACTIVE_HIGH>;
max-bitrate = <8000000>;
#phy-cells = <0>;
};

transceiver1: can-phy1 {
compatible = "can-transceiver-gpio";
standby-gpios = <&gpio13 1 GPIO_ACTIVE_HIGH>;
max-bitrate = <8000000>;
#phy-cells = <0>;
};
};

&scif1 {
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1 change: 1 addition & 0 deletions boards/renesas/rzg3s_smarc/rzg3s_smarc_r9a08g045s33gbg_cm33.yaml
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Expand Up @@ -8,3 +8,4 @@ toolchain:
supported:
- uart
- gpio
- can
1 change: 1 addition & 0 deletions drivers/can/CMakeLists.txt
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Expand Up @@ -27,6 +27,7 @@ zephyr_library_sources_ifdef(CONFIG_CAN_NUMAKER can_numaker.c)
zephyr_library_sources_ifdef(CONFIG_CAN_NXP_S32_CANXL can_nxp_s32_canxl.c)
zephyr_library_sources_ifdef(CONFIG_CAN_RCAR can_rcar.c)
zephyr_library_sources_ifdef(CONFIG_CAN_RENESAS_RA_CANFD can_renesas_ra.c)
zephyr_library_sources_ifdef(CONFIG_CAN_RENESAS_RZ_CANFD can_renesas_rz_canfd.c)
zephyr_library_sources_ifdef(CONFIG_CAN_SAM can_sam.c)
zephyr_library_sources_ifdef(CONFIG_CAN_SAM0 can_sam0.c)
zephyr_library_sources_ifdef(CONFIG_CAN_SJA1000 can_sja1000.c)
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1 change: 1 addition & 0 deletions drivers/can/Kconfig
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Expand Up @@ -130,6 +130,7 @@ source "drivers/can/Kconfig.mcp251xfd"
source "drivers/can/Kconfig.xmc4xxx"
source "drivers/can/Kconfig.nrf"
source "drivers/can/Kconfig.renesas_ra"
source "drivers/can/Kconfig.renesas_rz"

source "drivers/can/transceiver/Kconfig"

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10 changes: 10 additions & 0 deletions drivers/can/Kconfig.renesas_rz
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@@ -0,0 +1,10 @@
# Copyright (c) 2024 Renesas Electronics Corporation
# SPDX-License-Identifier: Apache-2.0

config CAN_RENESAS_RZ_CANFD
bool "Renesas RZ CANFD"
default y
depends on DT_HAS_RENESAS_RZ_CANFD_ENABLED
select USE_RZ_FSP_CANFD
help
Enable Renesas RZ CANFD driver
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