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

source/bootloader/u-boot-2020.01/arch/arm/mach-rockchip/px30/syscon_px30.c

@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+
+static const struct udevice_id px30_syscon_ids[] = {
+	{ .compatible = "rockchip,px30-pmu", .data = ROCKCHIP_SYSCON_PMU },
+	{ .compatible = "rockchip,px30-pmugrf", .data = ROCKCHIP_SYSCON_PMUGRF },
+	{ .compatible = "rockchip,px30-grf", .data = ROCKCHIP_SYSCON_GRF },
+	{ }
+};
+
+U_BOOT_DRIVER(syscon_px30) = {
+	.id = UCLASS_SYSCON,
+	.name = "px30_syscon",
+	.of_match = px30_syscon_ids,
+};
+
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+static int px30_syscon_bind_of_platdata(struct udevice *dev)
+{
+	dev->driver_data = dev->driver->of_match->data;
+	debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
+
+	return 0;
+}
+
+U_BOOT_DRIVER(rockchip_px30_pmu) = {
+	.name = "rockchip_px30_pmu",
+	.id = UCLASS_SYSCON,
+	.of_match = px30_syscon_ids,
+	.bind = px30_syscon_bind_of_platdata,
+};
+
+U_BOOT_DRIVER(rockchip_px30_pmugrf) = {
+	.name = "rockchip_px30_pmugrf",
+	.id = UCLASS_SYSCON,
+	.of_match = px30_syscon_ids + 1,
+	.bind = px30_syscon_bind_of_platdata,
+};
+
+U_BOOT_DRIVER(rockchip_px30_grf) = {
+	.name = "rockchip_px30_grf",
+	.id = UCLASS_SYSCON,
+	.of_match = px30_syscon_ids + 2,
+	.bind = px30_syscon_bind_of_platdata,
+};
+#endif