GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/arm/mach-rockchip/rk3399/clk_rk3399.c

@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_rk3399.h>
+
+static int rockchip_get_cruclk(struct udevice **devp)
+{
+	return uclass_get_device_by_driver(UCLASS_CLK,
+			DM_GET_DRIVER(clk_rk3399), devp);
+}
+
+void *rockchip_get_cru(void)
+{
+	struct rk3399_clk_priv *priv;
+	struct udevice *dev;
+	int ret;
+
+	ret = rockchip_get_cruclk(&dev);
+	if (ret)
+		return ERR_PTR(ret);
+
+	priv = dev_get_priv(dev);
+
+	return priv->cru;
+}
+
+static int rockchip_get_pmucruclk(struct udevice **devp)
+{
+	return uclass_get_device_by_driver(UCLASS_CLK,
+			DM_GET_DRIVER(rockchip_rk3399_pmuclk), devp);
+}
+
+void *rockchip_get_pmucru(void)
+{
+	struct rk3399_pmuclk_priv *priv;
+	struct udevice *dev;
+	int ret;
+
+	ret = rockchip_get_pmucruclk(&dev);
+	if (ret)
+		return ERR_PTR(ret);
+
+	priv = dev_get_priv(dev);
+
+	return priv->pmucru;
+}