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spi: rzv2h-rspi: make clocks chip-specific 

The Renesas RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs have
different clocks compared to RZ/V2H. Set the number of clocks and the
name of the transfer clock in the chip-specific structure to prepare for
adding support for them.

Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Link: https://patch.msgid.link/20251119161434.595677-4-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cosmin Tanislav 2025-11-19 18:14:24 +02:00 committed by Mark Brown
parent 8e89ee6cd2
commit ebd7d6ae0d
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GPG Key ID: 24D68B725D5487D0
1 changed files with 7 additions and 4 deletions
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11
drivers/spi/spi-rzv2h-rspi.c
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@ -66,10 +66,11 @@
#define RSPI_SPSRC_CLEAR 0xfd80
#define RSPI_RESET_NUM 2
#define RSPI_CLK_NUM 3
struct rzv2h_rspi_info {
const char *tclk_name;
unsigned int fifo_size;
unsigned int num_clks;
};
struct rzv2h_rspi_priv {
@ -373,11 +374,11 @@ static int rzv2h_rspi_probe(struct platform_device *pdev)
return PTR_ERR(rspi->base);
ret = devm_clk_bulk_get_all_enabled(dev, &clks);
if (ret != RSPI_CLK_NUM)
if (ret != rspi->info->num_clks)
return dev_err_probe(dev, ret >= 0 ? -EINVAL : ret,
"cannot get clocks\n");
for (i = 0; i < RSPI_CLK_NUM; i++) {
if (!strcmp(clks[i].id, "tclk")) {
for (i = 0; i < rspi->info->num_clks; i++) {
if (!strcmp(clks[i].id, rspi->info->tclk_name)) {
rspi->tclk = clks[i].clk;
break;
}
@ -452,7 +453,9 @@ static void rzv2h_rspi_remove(struct platform_device *pdev)
}
static const struct rzv2h_rspi_info rzv2h_info = {
.tclk_name = "tclk",
.fifo_size = 16,
.num_clks = 3,
};
static const struct of_device_id rzv2h_rspi_match[] = {