arm: rockchip: Add RV1126 arch core support

Rockchip RV1126 is a high-performance vision processor SoC
for IPC/CVR, especially for AI related application.

Add arch core support for it.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Change-Id: I22fde40ec375e3c6aba39808abf252edc45d4b04
diff --git a/arch/arm/mach-rockchip/rv1126/clk_rv1126.c b/arch/arm/mach-rockchip/rv1126/clk_rv1126.c
new file mode 100644
index 0000000..bd89027
--- /dev/null
+++ b/arch/arm/mach-rockchip/rv1126/clk_rv1126.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd
+ * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_rv1126.h>
+#include <linux/err.h>
+
+int rockchip_get_clk(struct udevice **devp)
+{
+	return uclass_get_device_by_driver(UCLASS_CLK,
+			DM_DRIVER_GET(rockchip_rv1126_cru), devp);
+}
+
+void *rockchip_get_cru(void)
+{
+	struct rv1126_clk_priv *priv;
+	struct udevice *dev;
+	int ret;
+
+	ret = rockchip_get_clk(&dev);
+	if (ret)
+		return ERR_PTR(ret);
+
+	priv = dev_get_priv(dev);
+
+	return priv->cru;
+}