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 <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260114154525.3169992-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index 4a653d8978baf934d1bf30296153dac55902985a..eaf8cac780387174d37767355899b69ec34d3640 100644 (file)
--- 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 },