// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2016 Icenowy Zheng */ #include #include #include #include #include "ccu_common.h" #include "ccu_reset.h" #include "ccu_div.h" #include "ccu_gate.h" #include "ccu_mp.h" #include "ccu_nm.h" #include "ccu-sun8i-r.h" static const struct clk_parent_data ar100_parents[] = { { .fw_name = "losc" }, { .fw_name = "hosc" }, { .fw_name = "pll-periph" }, { .fw_name = "iosc" }, }; static const struct ccu_mux_var_prediv ar100_predivs[] = { { .index = 2, .shift = 8, .width = 5 }, }; static struct ccu_div ar100_clk = { .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO), .mux = { .shift = 16, .width = 2, .var_predivs = ar100_predivs, .n_var_predivs = ARRAY_SIZE(ar100_predivs), }, .common = { .reg = 0x00, .features = CCU_FEATURE_VARIABLE_PREDIV, .hw.init = CLK_HW_INIT_PARENTS_DATA("ar100", ar100_parents, &ccu_div_ops, 0), }, }; static CLK_FIXED_FACTOR_HW(ahb0_clk, "ahb0", &ar100_clk.common.hw, 1, 1, 0); static SUNXI_CCU_M(apb0_clk, "apb0", "ahb0", 0x0c, 0, 2, 0); /* * Define the parent as an array that can be reused to save space * instead of having compound literals for each gate. Also have it * non-const so we can change it on the A83T. */ static const struct clk_hw *apb0_gate_parent[] = { &apb0_clk.common.hw }; static SUNXI_CCU_GATE_HWS(apb0_pio_clk, "apb0-pio", apb0_gate_parent, 0x28, BIT(0), 0); static SUNXI_CCU_GATE_HWS(apb0_ir_clk, "apb0-ir", apb0_gate_parent, 0x28, BIT(1), 0); static SUNXI_CCU_GATE_HWS(apb0_timer_clk, "apb0-timer", apb0_gate_parent, 0x28, BIT(2), 0); static SUNXI_CCU_GATE_HWS(apb0_rsb_clk, "apb0-rsb", apb0_gate_parent, 0x28, BIT(3), 0); static SUNXI_CCU_GATE_HWS(apb0_uart_clk, "apb0-uart", apb0_gate_parent, 0x28, BIT(4), 0); static SUNXI_CCU_GATE_HWS(apb0_i2c_clk, "apb0-i2c", apb0_gate_parent, 0x28, BIT(6), 0); static SUNXI_CCU_GATE_HWS(apb0_twd_clk, "apb0-twd", apb0_gate_parent, 0x28, BIT(7), 0); static const char * const r_mod0_default_parents[] = { "osc32k", "osc24M" }; static SUNXI_CCU_MP_WITH_MUX_GATE(ir_clk, "ir", r_mod0_default_parents, 0x54, 0, 4, /* M */ 16, 2, /* P */ 24, 2, /* mux */ BIT(31), /* gate */ 0); static const struct clk_parent_data a83t_r_mod0_parents[] = { { .fw_name = "iosc" }, { .fw_name = "hosc" }, }; static const struct ccu_mux_fixed_prediv a83t_ir_predivs[] = { { .index = 0, .div = 16 }, }; static struct ccu_mp a83t_ir_clk = { .enable = BIT(31), .m = _SUNXI_CCU_DIV(0, 4), .p = _SUNXI_CCU_DIV(16, 2), .mux = { .shift = 24, .width = 2, .fixed_predivs = a83t_ir_predivs, .n_predivs = ARRAY_SIZE(a83t_ir_predivs), }, .common = { .reg = 0x54, .features = CCU_FEATURE_VARIABLE_PREDIV, .hw.init = CLK_HW_INIT_PARENTS_DATA("ir", a83t_r_mod0_parents, &ccu_mp_ops, 0), }, }; static struct ccu_common *sun8i_r_ccu_clks[] = { &ar100_clk.common, &apb0_clk.common, &apb0_pio_clk.common, &apb0_ir_clk.common, &apb0_timer_clk.common, &apb0_rsb_clk.common, &apb0_uart_clk.common, &apb0_i2c_clk.common, &apb0_twd_clk.common, &ir_clk.common, &a83t_ir_clk.common, }; static struct clk_hw_onecell_data sun8i_a83t_r_hw_clks = { .hws = { [CLK_AR100] = &ar100_clk.common.hw, [CLK_AHB0] = &ahb0_clk.hw, [CLK_APB0] = &apb0_clk.common.hw, [CLK_APB0_PIO] = &apb0_pio_clk.common.hw, [CLK_APB0_IR] = &apb0_ir_clk.common.hw, [CLK_APB0_TIMER] = &apb0_timer_clk.common.hw, [CLK_APB0_RSB] = &apb0_rsb_clk.common.hw, [CLK_APB0_UART] = &apb0_uart_clk.common.hw, [CLK_APB0_I2C] = &apb0_i2c_clk.common.hw, [CLK_APB0_TWD] = &apb0_twd_clk.common.hw, [CLK_IR] = &a83t_ir_clk.common.hw, }, .num = CLK_NUMBER, }; static struct clk_hw_onecell_data sun8i_h3_r_hw_clks = { .hws = { [CLK_AR100] = &ar100_clk.common.hw, [CLK_AHB0] = &ahb0_clk.hw, [CLK_APB0] = &apb0_clk.common.hw, [CLK_APB0_PIO] = &apb0_pio_clk.common.hw, [CLK_APB0_IR] = &apb0_ir_clk.common.hw, [CLK_APB0_TIMER] = &apb0_timer_clk.common.hw, [CLK_APB0_UART] = &apb0_uart_clk.common.hw, [CLK_APB0_I2C] = &apb0_i2c_clk.common.hw, [CLK_APB0_TWD] = &apb0_twd_clk.common.hw, [CLK_IR] = &ir_clk.common.hw, }, .num = CLK_NUMBER, }; static struct clk_hw_onecell_data sun50i_a64_r_hw_clks = { .hws = { [CLK_AR100] = &ar100_clk.common.hw, [CLK_AHB0] = &ahb0_clk.hw, [CLK_APB0] = &apb0_clk.common.hw, [CLK_APB0_PIO] = &apb0_pio_clk.common.hw, [CLK_APB0_IR] = &apb0_ir_clk.common.hw, [CLK_APB0_TIMER] = &apb0_timer_clk.common.hw, [CLK_APB0_RSB] = &apb0_rsb_clk.common.hw, [CLK_APB0_UART] = &apb0_uart_clk.common.hw, [CLK_APB0_I2C] = &apb0_i2c_clk.common.hw, [CLK_APB0_TWD] = &apb0_twd_clk.common.hw, [CLK_IR] = &ir_clk.common.hw, }, .num = CLK_NUMBER, }; static const struct ccu_reset_map sun8i_a83t_r_ccu_resets[] = { [RST_APB0_IR] = { 0xb0, BIT(1) }, [RST_APB0_TIMER] = { 0xb0, BIT(2) }, [RST_APB0_RSB] = { 0xb0, BIT(3) }, [RST_APB0_UART] = { 0xb0, BIT(4) }, [RST_APB0_I2C] = { 0xb0, BIT(6) }, }; static const struct ccu_reset_map sun8i_h3_r_ccu_resets[] = { [RST_APB0_IR] = { 0xb0, BIT(1) }, [RST_APB0_TIMER] = { 0xb0, BIT(2) }, [RST_APB0_UART] = { 0xb0, BIT(4) }, [RST_APB0_I2C] = { 0xb0, BIT(6) }, }; static const struct ccu_reset_map sun50i_a64_r_ccu_resets[] = { [RST_APB0_IR] = { 0xb0, BIT(1) }, [RST_APB0_TIMER] = { 0xb0, BIT(2) }, [RST_APB0_RSB] = { 0xb0, BIT(3) }, [RST_APB0_UART] = { 0xb0, BIT(4) }, [RST_APB0_I2C] = { 0xb0, BIT(6) }, }; static const struct sunxi_ccu_desc sun8i_a83t_r_ccu_desc = { .ccu_clks = sun8i_r_ccu_clks, .num_ccu_clks = ARRAY_SIZE(sun8i_r_ccu_clks), .hw_clks = &sun8i_a83t_r_hw_clks, .resets = sun8i_a83t_r_ccu_resets, .num_resets = ARRAY_SIZE(sun8i_a83t_r_ccu_resets), }; static const struct sunxi_ccu_desc sun8i_h3_r_ccu_desc = { .ccu_clks = sun8i_r_ccu_clks, .num_ccu_clks = ARRAY_SIZE(sun8i_r_ccu_clks), .hw_clks = &sun8i_h3_r_hw_clks, .resets = sun8i_h3_r_ccu_resets, .num_resets = ARRAY_SIZE(sun8i_h3_r_ccu_resets), }; static const struct sunxi_ccu_desc sun50i_a64_r_ccu_desc = { .ccu_clks = sun8i_r_ccu_clks, .num_ccu_clks = ARRAY_SIZE(sun8i_r_ccu_clks), .hw_clks = &sun50i_a64_r_hw_clks, .resets = sun50i_a64_r_ccu_resets, .num_resets = ARRAY_SIZE(sun50i_a64_r_ccu_resets), }; static int sun8i_r_ccu_probe(struct platform_device *pdev) { const struct sunxi_ccu_desc *desc; void __iomem *reg; desc = of_device_get_match_data(&pdev->dev); if (!desc) return -EINVAL; reg = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(reg)) return PTR_ERR(reg); return devm_sunxi_ccu_probe(&pdev->dev, reg, desc); } static const struct of_device_id sun8i_r_ccu_ids[] = { { .compatible = "allwinner,sun8i-a83t-r-ccu", .data = &sun8i_a83t_r_ccu_desc, }, { .compatible = "allwinner,sun8i-h3-r-ccu", .data = &sun8i_h3_r_ccu_desc, }, { .compatible = "allwinner,sun50i-a64-r-ccu", .data = &sun50i_a64_r_ccu_desc, }, { } }; MODULE_DEVICE_TABLE(of, sun8i_r_ccu_ids); static struct platform_driver sun8i_r_ccu_driver = { .probe = sun8i_r_ccu_probe, .driver = { .name = "sun8i-r-ccu", .suppress_bind_attrs = true, .of_match_table = sun8i_r_ccu_ids, }, }; module_platform_driver(sun8i_r_ccu_driver); MODULE_IMPORT_NS("SUNXI_CCU"); MODULE_DESCRIPTION("Support for Allwinner SoCs' PRCM CCUs"); MODULE_LICENSE("GPL");