141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2020 huangzhenwei@allwinnertech.com
|
|
* Copyright (C) 2021 Samuel Holland <samuel@sholland.org>
|
|
*/
|
|
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include "ccu_common.h"
|
|
#include "ccu_reset.h"
|
|
|
|
#include "ccu_gate.h"
|
|
#include "ccu_mp.h"
|
|
|
|
#include "ccu-sun20i-d1-r.h"
|
|
|
|
static const struct clk_parent_data r_ahb_apb0_parents[] = {
|
|
{ .fw_name = "hosc" },
|
|
{ .fw_name = "losc" },
|
|
{ .fw_name = "iosc" },
|
|
{ .fw_name = "pll-periph" },
|
|
};
|
|
static SUNXI_CCU_MP_DATA_WITH_MUX(r_ahb_clk, "r-ahb",
|
|
r_ahb_apb0_parents, 0x000,
|
|
0, 5, /* M */
|
|
8, 2, /* P */
|
|
24, 3, /* mux */
|
|
0);
|
|
static const struct clk_hw *r_ahb_hw = &r_ahb_clk.common.hw;
|
|
|
|
static SUNXI_CCU_MP_DATA_WITH_MUX(r_apb0_clk, "r-apb0",
|
|
r_ahb_apb0_parents, 0x00c,
|
|
0, 5, /* M */
|
|
8, 2, /* P */
|
|
24, 3, /* mux */
|
|
0);
|
|
static const struct clk_hw *r_apb0_hw = &r_apb0_clk.common.hw;
|
|
|
|
static SUNXI_CCU_GATE_HWS(bus_r_timer_clk, "bus-r-timer", &r_apb0_hw,
|
|
0x11c, BIT(0), 0);
|
|
static SUNXI_CCU_GATE_HWS(bus_r_twd_clk, "bus-r-twd", &r_apb0_hw,
|
|
0x12c, BIT(0), 0);
|
|
static SUNXI_CCU_GATE_HWS(bus_r_ppu_clk, "bus-r-ppu", &r_apb0_hw,
|
|
0x1ac, BIT(0), 0);
|
|
|
|
static const struct clk_parent_data r_ir_rx_parents[] = {
|
|
{ .fw_name = "losc" },
|
|
{ .fw_name = "hosc" },
|
|
};
|
|
static SUNXI_CCU_MP_DATA_WITH_MUX_GATE(r_ir_rx_clk, "r-ir-rx",
|
|
r_ir_rx_parents, 0x1c0,
|
|
0, 5, /* M */
|
|
8, 2, /* P */
|
|
24, 2, /* mux */
|
|
BIT(31), /* gate */
|
|
0);
|
|
|
|
static SUNXI_CCU_GATE_HWS(bus_r_ir_rx_clk, "bus-r-ir-rx", &r_apb0_hw,
|
|
0x1cc, BIT(0), 0);
|
|
static SUNXI_CCU_GATE_HWS(bus_r_rtc_clk, "bus-r-rtc", &r_ahb_hw,
|
|
0x20c, BIT(0), 0);
|
|
static SUNXI_CCU_GATE_HWS(bus_r_cpucfg_clk, "bus-r-cpucfg", &r_apb0_hw,
|
|
0x22c, BIT(0), 0);
|
|
|
|
static struct ccu_common *sun20i_d1_r_ccu_clks[] = {
|
|
&r_ahb_clk.common,
|
|
&r_apb0_clk.common,
|
|
&bus_r_timer_clk.common,
|
|
&bus_r_twd_clk.common,
|
|
&bus_r_ppu_clk.common,
|
|
&r_ir_rx_clk.common,
|
|
&bus_r_ir_rx_clk.common,
|
|
&bus_r_rtc_clk.common,
|
|
&bus_r_cpucfg_clk.common,
|
|
};
|
|
|
|
static struct clk_hw_onecell_data sun20i_d1_r_hw_clks = {
|
|
.num = CLK_NUMBER,
|
|
.hws = {
|
|
[CLK_R_AHB] = &r_ahb_clk.common.hw,
|
|
[CLK_R_APB0] = &r_apb0_clk.common.hw,
|
|
[CLK_BUS_R_TIMER] = &bus_r_timer_clk.common.hw,
|
|
[CLK_BUS_R_TWD] = &bus_r_twd_clk.common.hw,
|
|
[CLK_BUS_R_PPU] = &bus_r_ppu_clk.common.hw,
|
|
[CLK_R_IR_RX] = &r_ir_rx_clk.common.hw,
|
|
[CLK_BUS_R_IR_RX] = &bus_r_ir_rx_clk.common.hw,
|
|
[CLK_BUS_R_RTC] = &bus_r_rtc_clk.common.hw,
|
|
[CLK_BUS_R_CPUCFG] = &bus_r_cpucfg_clk.common.hw,
|
|
},
|
|
};
|
|
|
|
static struct ccu_reset_map sun20i_d1_r_ccu_resets[] = {
|
|
[RST_BUS_R_TIMER] = { 0x11c, BIT(16) },
|
|
[RST_BUS_R_TWD] = { 0x12c, BIT(16) },
|
|
[RST_BUS_R_PPU] = { 0x1ac, BIT(16) },
|
|
[RST_BUS_R_IR_RX] = { 0x1cc, BIT(16) },
|
|
[RST_BUS_R_RTC] = { 0x20c, BIT(16) },
|
|
[RST_BUS_R_CPUCFG] = { 0x22c, BIT(16) },
|
|
};
|
|
|
|
static const struct sunxi_ccu_desc sun20i_d1_r_ccu_desc = {
|
|
.ccu_clks = sun20i_d1_r_ccu_clks,
|
|
.num_ccu_clks = ARRAY_SIZE(sun20i_d1_r_ccu_clks),
|
|
|
|
.hw_clks = &sun20i_d1_r_hw_clks,
|
|
|
|
.resets = sun20i_d1_r_ccu_resets,
|
|
.num_resets = ARRAY_SIZE(sun20i_d1_r_ccu_resets),
|
|
};
|
|
|
|
static int sun20i_d1_r_ccu_probe(struct platform_device *pdev)
|
|
{
|
|
void __iomem *reg;
|
|
|
|
reg = devm_platform_ioremap_resource(pdev, 0);
|
|
if (IS_ERR(reg))
|
|
return PTR_ERR(reg);
|
|
|
|
return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun20i_d1_r_ccu_desc);
|
|
}
|
|
|
|
static const struct of_device_id sun20i_d1_r_ccu_ids[] = {
|
|
{ .compatible = "allwinner,sun20i-d1-r-ccu" },
|
|
{ }
|
|
};
|
|
|
|
static struct platform_driver sun20i_d1_r_ccu_driver = {
|
|
.probe = sun20i_d1_r_ccu_probe,
|
|
.driver = {
|
|
.name = "sun20i-d1-r-ccu",
|
|
.suppress_bind_attrs = true,
|
|
.of_match_table = sun20i_d1_r_ccu_ids,
|
|
},
|
|
};
|
|
module_platform_driver(sun20i_d1_r_ccu_driver);
|
|
|
|
MODULE_IMPORT_NS(SUNXI_CCU);
|
|
MODULE_LICENSE("GPL");
|