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>

Author: Demon000

drivers/spi/spi-rzv2h-rspi.c

@@ -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[] = {