From e8e46378825b058feefff799537e797fae321858 Mon Sep 17 00:00:00 2001 From: Lad Prabhakar Date: Wed, 14 Jan 2026 15:45:25 +0000 Subject: [PATCH] can: rcar_canfd: Add RZ/T2H support The CAN-FD IP on the RZ/T2H SoC is similar to R-Car Gen4, but differs in the AFLPN and CFTML bits and supports two channels with eight interrupts. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven Link: https://patch.msgid.link/20260114154525.3169992-5-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Marc Kleine-Budde --- drivers/net/can/rcar/rcar_canfd.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index 4a653d8978ba..eaf8cac78038 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -670,6 +670,23 @@ static const struct rcar_canfd_hw_info r9a09g047_hw_info = { .external_clk = 0, }; +static const struct rcar_canfd_hw_info r9a09g077_hw_info = { + .nom_bittiming = &rcar_canfd_gen4_nom_bittiming_const, + .data_bittiming = &rcar_canfd_gen4_data_bittiming_const, + .tdc_const = &rcar_canfd_gen4_tdc_const, + .regs = &rcar_gen4_regs, + .sh = &rcar_gen4_shift_data, + .rnc_field_width = 16, + .max_aflpn = 15, + .max_cftml = 31, + .max_channels = 2, + .postdiv = 1, + .multi_channel_irqs = 1, + .ch_interface_mode = 1, + .shared_can_regs = 1, + .external_clk = 1, +}; + /* Helper functions */ static inline void rcar_canfd_update(u32 mask, u32 val, u32 __iomem *reg) { @@ -2345,6 +2362,7 @@ static DEFINE_SIMPLE_DEV_PM_OPS(rcar_canfd_pm_ops, rcar_canfd_suspend, static const __maybe_unused struct of_device_id rcar_canfd_of_table[] = { { .compatible = "renesas,r8a779a0-canfd", .data = &rcar_gen4_hw_info }, { .compatible = "renesas,r9a09g047-canfd", .data = &r9a09g047_hw_info }, + { .compatible = "renesas,r9a09g077-canfd", .data = &r9a09g077_hw_info }, { .compatible = "renesas,rcar-gen3-canfd", .data = &rcar_gen3_hw_info }, { .compatible = "renesas,rcar-gen4-canfd", .data = &rcar_gen4_hw_info }, { .compatible = "renesas,rzg2l-canfd", .data = &rzg2l_hw_info }, -- 2.47.3