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path: root/drivers/clk/sunxi/clk_r40.c
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Diffstat (limited to 'drivers/clk/sunxi/clk_r40.c')
-rw-r--r--drivers/clk/sunxi/clk_r40.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/clk/sunxi/clk_r40.c b/drivers/clk/sunxi/clk_r40.c
new file mode 100644
index 0000000..cdf54da
--- /dev/null
+++ b/drivers/clk/sunxi/clk_r40.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2018 Amarula Solutions.
+ * Author: Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+#include <asm/arch/ccu.h>
+#include <dt-bindings/clock/sun8i-r40-ccu.h>
+#include <dt-bindings/reset/sun8i-r40-ccu.h>
+
+static struct ccu_clk_gate r40_gates[] = {
+ [CLK_BUS_OTG] = GATE(0x060, BIT(25)),
+ [CLK_BUS_EHCI0] = GATE(0x060, BIT(26)),
+ [CLK_BUS_EHCI1] = GATE(0x060, BIT(27)),
+ [CLK_BUS_EHCI2] = GATE(0x060, BIT(28)),
+ [CLK_BUS_OHCI0] = GATE(0x060, BIT(29)),
+ [CLK_BUS_OHCI1] = GATE(0x060, BIT(30)),
+ [CLK_BUS_OHCI2] = GATE(0x060, BIT(31)),
+
+ [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)),
+ [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)),
+ [CLK_USB_PHY2] = GATE(0x0cc, BIT(10)),
+ [CLK_USB_OHCI0] = GATE(0x0cc, BIT(16)),
+ [CLK_USB_OHCI1] = GATE(0x0cc, BIT(17)),
+ [CLK_USB_OHCI2] = GATE(0x0cc, BIT(18)),
+};
+
+static struct ccu_reset r40_resets[] = {
+ [RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
+ [RST_USB_PHY1] = RESET(0x0cc, BIT(1)),
+ [RST_USB_PHY2] = RESET(0x0cc, BIT(2)),
+
+ [RST_BUS_OTG] = RESET(0x2c0, BIT(25)),
+ [RST_BUS_EHCI0] = RESET(0x2c0, BIT(26)),
+ [RST_BUS_EHCI1] = RESET(0x2c0, BIT(27)),
+ [RST_BUS_EHCI2] = RESET(0x2c0, BIT(28)),
+ [RST_BUS_OHCI0] = RESET(0x2c0, BIT(29)),
+ [RST_BUS_OHCI1] = RESET(0x2c0, BIT(30)),
+ [RST_BUS_OHCI2] = RESET(0x2c0, BIT(31)),
+};
+
+static const struct ccu_desc r40_ccu_desc = {
+ .gates = r40_gates,
+ .resets = r40_resets,
+};
+
+static int r40_clk_bind(struct udevice *dev)
+{
+ return sunxi_reset_bind(dev, ARRAY_SIZE(r40_resets));
+}
+
+static const struct udevice_id r40_clk_ids[] = {
+ { .compatible = "allwinner,sun8i-r40-ccu",
+ .data = (ulong)&r40_ccu_desc },
+ { }
+};
+
+U_BOOT_DRIVER(clk_sun8i_r40) = {
+ .name = "sun8i_r40_ccu",
+ .id = UCLASS_CLK,
+ .of_match = r40_clk_ids,
+ .priv_auto_alloc_size = sizeof(struct ccu_priv),
+ .ops = &sunxi_clk_ops,
+ .probe = sunxi_clk_probe,
+ .bind = r40_clk_bind,
+};