diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2025-04-17 06:43:18 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2025-05-21 14:31:25 +0200 |
| commit | e5258b337de26c97cf210858407e0fc881bc0e3d (patch) | |
| tree | e1b1029ae4008caa6b063d730b47d02f54b83b0c | |
| parent | c5670c23d67dd81e71262bb7c5942502cd9df62e (diff) | |
can: rcar_canfd: Add external_clk variable to struct rcar_canfd_hw_info
All existing SoCs support an external clock, but RZ/G3E has only internal
clocks. Add external_clk variable to struct rcar_canfd_hw_info to handle
this difference.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://patch.msgid.link/20250417054320.14100-18-biju.das.jz@bp.renesas.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
| -rw-r--r-- | drivers/net/can/rcar/rcar_canfd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index 67f7b5f6376c..0bf0e88dfe25 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -541,6 +541,7 @@ struct rcar_canfd_hw_info { unsigned multi_channel_irqs:1; /* Has multiple channel irqs */ unsigned ch_interface_mode:1; /* Has channel interface mode */ unsigned shared_can_regs:1; /* Has shared classical can registers */ + unsigned external_clk:1; /* Has external clock */ }; /* Channel priv data */ @@ -690,6 +691,7 @@ static const struct rcar_canfd_hw_info rcar_gen3_hw_info = { .shared_global_irqs = 1, .ch_interface_mode = 0, .shared_can_regs = 0, + .external_clk = 1, }; static const struct rcar_canfd_hw_info rcar_gen4_hw_info = { @@ -705,6 +707,7 @@ static const struct rcar_canfd_hw_info rcar_gen4_hw_info = { .shared_global_irqs = 1, .ch_interface_mode = 1, .shared_can_regs = 1, + .external_clk = 1, }; static const struct rcar_canfd_hw_info rzg2l_hw_info = { @@ -720,6 +723,7 @@ static const struct rcar_canfd_hw_info rzg2l_hw_info = { .multi_channel_irqs = 1, .ch_interface_mode = 0, .shared_can_regs = 0, + .external_clk = 1, }; /* Helper functions */ @@ -2048,7 +2052,7 @@ static int rcar_canfd_probe(struct platform_device *pdev) fcan_freq = clk_get_rate(gpriv->can_clk) / info->postdiv; } else { fcan_freq = clk_get_rate(gpriv->can_clk); - gpriv->extclk = true; + gpriv->extclk = gpriv->info->external_clk; } addr = devm_platform_ioremap_resource(pdev, 0); |