soc: renesas: rz-sysc: Move RZ/G3S SoC detection to the SYSC driver

Now that we have SoC detection in the RZ SYSC driver, move the RZ/G3S
SoC detection to it. The SYSC provides SoC ID in its own registers.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: John Madieu <john.madieu.xa@bp.renesas.com>
Link: https://lore.kernel.org/20250128031342.52675-3-john.madieu.xa@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/soc/renesas/r9a08g045-sysc.c b/drivers/soc/renesas/r9a08g045-sysc.c
new file mode 100644
index 000000000000..f4db1431e036
--- /dev/null
+++ b/drivers/soc/renesas/r9a08g045-sysc.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * RZ/G3S System controller driver
+ *
+ * Copyright (C) 2024 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/init.h>
+
+#include "rz-sysc.h"
+
+static const struct rz_sysc_soc_id_init_data rzg3s_sysc_soc_id_init_data __initconst = {
+	.family = "RZ/G3S",
+	.id = 0x85e0447,
+	.devid_offset = 0xa04,
+	.revision_mask = GENMASK(31, 28),
+	.specific_id_mask = GENMASK(27, 0),
+};
+
+const struct rz_sysc_init_data rzg3s_sysc_init_data __initconst = {
+	.soc_id_init_data = &rzg3s_sysc_soc_id_init_data,
+};