Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 141 insertions, 0 deletions

diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c
new file mode 100644
index 0000000000..a0fb0da8f3
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c
@@ -0,0 +1,141 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2016 Chen-Yu Tsai. All rights reserved.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "ccu_common.h"
+#include "ccu_gate.h"
+#include "ccu_reset.h"
+
+#include "ccu-sun9i-a80-usb.h"
+
+static const struct clk_parent_data clk_parent_hosc[] = {
+	{ .fw_name = "hosc" },
+};
+
+static const struct clk_parent_data clk_parent_bus[] = {
+	{ .fw_name = "bus" },
+};
+
+static SUNXI_CCU_GATE_DATA(bus_hci0_clk, "bus-hci0", clk_parent_bus, 0x0, BIT(1), 0);
+static SUNXI_CCU_GATE_DATA(usb_ohci0_clk, "usb-ohci0", clk_parent_hosc, 0x0, BIT(2), 0);
+static SUNXI_CCU_GATE_DATA(bus_hci1_clk, "bus-hci1", clk_parent_bus, 0x0, BIT(3), 0);
+static SUNXI_CCU_GATE_DATA(bus_hci2_clk, "bus-hci2", clk_parent_bus, 0x0, BIT(5), 0);
+static SUNXI_CCU_GATE_DATA(usb_ohci2_clk, "usb-ohci2", clk_parent_hosc, 0x0, BIT(6), 0);
+
+static SUNXI_CCU_GATE_DATA(usb0_phy_clk, "usb0-phy", clk_parent_hosc, 0x4, BIT(1), 0);
+static SUNXI_CCU_GATE_DATA(usb1_hsic_clk, "usb1-hsic", clk_parent_hosc, 0x4, BIT(2), 0);
+static SUNXI_CCU_GATE_DATA(usb1_phy_clk, "usb1-phy", clk_parent_hosc, 0x4, BIT(3), 0);
+static SUNXI_CCU_GATE_DATA(usb2_hsic_clk, "usb2-hsic", clk_parent_hosc, 0x4, BIT(4), 0);
+static SUNXI_CCU_GATE_DATA(usb2_phy_clk, "usb2-phy", clk_parent_hosc, 0x4, BIT(5), 0);
+static SUNXI_CCU_GATE_DATA(usb_hsic_clk, "usb-hsic", clk_parent_hosc, 0x4, BIT(10), 0);
+
+static struct ccu_common *sun9i_a80_usb_clks[] = {
+	&bus_hci0_clk.common,
+	&usb_ohci0_clk.common,
+	&bus_hci1_clk.common,
+	&bus_hci2_clk.common,
+	&usb_ohci2_clk.common,
+
+	&usb0_phy_clk.common,
+	&usb1_hsic_clk.common,
+	&usb1_phy_clk.common,
+	&usb2_hsic_clk.common,
+	&usb2_phy_clk.common,
+	&usb_hsic_clk.common,
+};
+
+static struct clk_hw_onecell_data sun9i_a80_usb_hw_clks = {
+	.hws	= {
+		[CLK_BUS_HCI0]	= &bus_hci0_clk.common.hw,
+		[CLK_USB_OHCI0]	= &usb_ohci0_clk.common.hw,
+		[CLK_BUS_HCI1]	= &bus_hci1_clk.common.hw,
+		[CLK_BUS_HCI2]	= &bus_hci2_clk.common.hw,
+		[CLK_USB_OHCI2]	= &usb_ohci2_clk.common.hw,
+
+		[CLK_USB0_PHY]	= &usb0_phy_clk.common.hw,
+		[CLK_USB1_HSIC]	= &usb1_hsic_clk.common.hw,
+		[CLK_USB1_PHY]	= &usb1_phy_clk.common.hw,
+		[CLK_USB2_HSIC]	= &usb2_hsic_clk.common.hw,
+		[CLK_USB2_PHY]	= &usb2_phy_clk.common.hw,
+		[CLK_USB_HSIC]	= &usb_hsic_clk.common.hw,
+	},
+	.num	= CLK_NUMBER,
+};
+
+static struct ccu_reset_map sun9i_a80_usb_resets[] = {
+	[RST_USB0_HCI]		= { 0x0, BIT(17) },
+	[RST_USB1_HCI]		= { 0x0, BIT(18) },
+	[RST_USB2_HCI]		= { 0x0, BIT(19) },
+
+	[RST_USB0_PHY]		= { 0x4, BIT(17) },
+	[RST_USB1_HSIC]		= { 0x4, BIT(18) },
+	[RST_USB1_PHY]		= { 0x4, BIT(19) },
+	[RST_USB2_HSIC]		= { 0x4, BIT(20) },
+	[RST_USB2_PHY]		= { 0x4, BIT(21) },
+};
+
+static const struct sunxi_ccu_desc sun9i_a80_usb_clk_desc = {
+	.ccu_clks	= sun9i_a80_usb_clks,
+	.num_ccu_clks	= ARRAY_SIZE(sun9i_a80_usb_clks),
+
+	.hw_clks	= &sun9i_a80_usb_hw_clks,
+
+	.resets		= sun9i_a80_usb_resets,
+	.num_resets	= ARRAY_SIZE(sun9i_a80_usb_resets),
+};
+
+static int sun9i_a80_usb_clk_probe(struct platform_device *pdev)
+{
+	struct clk *bus_clk;
+	void __iomem *reg;
+	int ret;
+
+	reg = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(reg))
+		return PTR_ERR(reg);
+
+	bus_clk = devm_clk_get(&pdev->dev, "bus");
+	if (IS_ERR(bus_clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(bus_clk),
+				     "Couldn't get bus clk\n");
+
+	/* The bus clock needs to be enabled for us to access the registers */
+	ret = clk_prepare_enable(bus_clk);
+	if (ret) {
+		dev_err(&pdev->dev, "Couldn't enable bus clk: %d\n", ret);
+		return ret;
+	}
+
+	ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun9i_a80_usb_clk_desc);
+	if (ret)
+		goto err_disable_clk;
+
+	return 0;
+
+err_disable_clk:
+	clk_disable_unprepare(bus_clk);
+	return ret;
+}
+
+static const struct of_device_id sun9i_a80_usb_clk_ids[] = {
+	{ .compatible = "allwinner,sun9i-a80-usb-clks" },
+	{ }
+};
+
+static struct platform_driver sun9i_a80_usb_clk_driver = {
+	.probe	= sun9i_a80_usb_clk_probe,
+	.driver	= {
+		.name	= "sun9i-a80-usb-clks",
+		.of_match_table	= sun9i_a80_usb_clk_ids,
+	},
+};
+module_platform_driver(sun9i_a80_usb_clk_driver);
+
+MODULE_IMPORT_NS(SUNXI_CCU);
+MODULE_LICENSE("GPL");