| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2016 Icenowy Zheng <icenowy@aosc.io> |
| * |
| */ |
| |
| #include <linux/clk-provider.h> |
| #include <linux/io.h> |
| #include <linux/of_address.h> |
| |
| #include "ccu_common.h" |
| #include "ccu_reset.h" |
| |
| #include "ccu_div.h" |
| #include "ccu_gate.h" |
| #include "ccu_mp.h" |
| #include "ccu_mult.h" |
| #include "ccu_nk.h" |
| #include "ccu_nkm.h" |
| #include "ccu_nkmp.h" |
| #include "ccu_nm.h" |
| #include "ccu_phase.h" |
| |
| #include "ccu-suniv-f1c100s.h" |
| |
| static struct ccu_nkmp pll_cpu_clk = { |
| .enable = BIT(31), |
| .lock = BIT(28), |
| |
| .n = _SUNXI_CCU_MULT(8, 5), |
| .k = _SUNXI_CCU_MULT(4, 2), |
| .m = _SUNXI_CCU_DIV(0, 2), |
| /* MAX is guessed by the BSP table */ |
| .p = _SUNXI_CCU_DIV_MAX(16, 2, 4), |
| |
| .common = { |
| .reg = 0x000, |
| .hw.init = CLK_HW_INIT("pll-cpu", "osc24M", |
| &ccu_nkmp_ops, |
| CLK_SET_RATE_UNGATE), |
| }, |
| }; |
| |
| /* |
| * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from |
| * the base (2x, 4x and 8x), and one variable divider (the one true |
| * pll audio). |
| * |
| * We don't have any need for the variable divider for now, so we just |
| * hardcode it to match with the clock names |
| */ |
| #define SUNIV_PLL_AUDIO_REG 0x008 |
| |
| static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base", |
| "osc24M", 0x008, |
| 8, 7, /* N */ |
| 0, 5, /* M */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video", |
| "osc24M", 0x010, |
| 8, 7, /* N */ |
| 0, 4, /* M */ |
| BIT(24), /* frac enable */ |
| BIT(25), /* frac select */ |
| 270000000, /* frac rate 0 */ |
| 297000000, /* frac rate 1 */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve", |
| "osc24M", 0x018, |
| 8, 7, /* N */ |
| 0, 4, /* M */ |
| BIT(24), /* frac enable */ |
| BIT(25), /* frac select */ |
| 270000000, /* frac rate 0 */ |
| 297000000, /* frac rate 1 */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr", |
| "osc24M", 0x020, |
| 8, 5, /* N */ |
| 4, 2, /* K */ |
| 0, 2, /* M */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_IS_CRITICAL); |
| |
| static struct ccu_nk pll_periph_clk = { |
| .enable = BIT(31), |
| .lock = BIT(28), |
| .k = _SUNXI_CCU_MULT(4, 2), |
| .n = _SUNXI_CCU_MULT(8, 5), |
| .common = { |
| .reg = 0x028, |
| .hw.init = CLK_HW_INIT("pll-periph", "osc24M", |
| &ccu_nk_ops, 0), |
| }, |
| }; |
| |
| static const char * const cpu_parents[] = { "osc32k", "osc24M", |
| "pll-cpu", "pll-cpu" }; |
| static SUNXI_CCU_MUX(cpu_clk, "cpu", cpu_parents, |
| 0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT); |
| |
| static const char * const ahb_parents[] = { "osc32k", "osc24M", |
| "cpu", "pll-periph" }; |
| static const struct ccu_mux_var_prediv ahb_predivs[] = { |
| { .index = 3, .shift = 6, .width = 2 }, |
| }; |
| static struct ccu_div ahb_clk = { |
| .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO), |
| |
| .mux = { |
| .shift = 12, |
| .width = 2, |
| |
| .var_predivs = ahb_predivs, |
| .n_var_predivs = ARRAY_SIZE(ahb_predivs), |
| }, |
| |
| .common = { |
| .reg = 0x054, |
| .features = CCU_FEATURE_VARIABLE_PREDIV, |
| .hw.init = CLK_HW_INIT_PARENTS("ahb", |
| ahb_parents, |
| &ccu_div_ops, |
| 0), |
| }, |
| }; |
| |
| static struct clk_div_table apb_div_table[] = { |
| { .val = 0, .div = 2 }, |
| { .val = 1, .div = 2 }, |
| { .val = 2, .div = 4 }, |
| { .val = 3, .div = 8 }, |
| { /* Sentinel */ }, |
| }; |
| static SUNXI_CCU_DIV_TABLE(apb_clk, "apb", "ahb", |
| 0x054, 8, 2, apb_div_table, 0); |
| |
| static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb", |
| 0x060, BIT(6), 0); |
| static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb", |
| 0x060, BIT(8), 0); |
| static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb", |
| 0x060, BIT(9), 0); |
| static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb", |
| 0x060, BIT(14), 0); |
| static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb", |
| 0x060, BIT(20), 0); |
| static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb", |
| 0x060, BIT(21), 0); |
| static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb", |
| 0x060, BIT(24), 0); |
| |
| static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb", |
| 0x064, BIT(0), 0); |
| static SUNXI_CCU_GATE(bus_lcd_clk, "bus-lcd", "ahb", |
| 0x064, BIT(4), 0); |
| static SUNXI_CCU_GATE(bus_deinterlace_clk, "bus-deinterlace", "ahb", |
| 0x064, BIT(5), 0); |
| static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb", |
| 0x064, BIT(8), 0); |
| static SUNXI_CCU_GATE(bus_tvd_clk, "bus-tvd", "ahb", |
| 0x064, BIT(9), 0); |
| static SUNXI_CCU_GATE(bus_tve_clk, "bus-tve", "ahb", |
| 0x064, BIT(10), 0); |
| static SUNXI_CCU_GATE(bus_de_be_clk, "bus-de-be", "ahb", |
| 0x064, BIT(12), 0); |
| static SUNXI_CCU_GATE(bus_de_fe_clk, "bus-de-fe", "ahb", |
| 0x064, BIT(14), 0); |
| |
| static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb", |
| 0x068, BIT(0), 0); |
| static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb", |
| 0x068, BIT(1), 0); |
| static SUNXI_CCU_GATE(bus_ir_clk, "bus-ir", "apb", |
| 0x068, BIT(2), 0); |
| static SUNXI_CCU_GATE(bus_rsb_clk, "bus-rsb", "apb", |
| 0x068, BIT(3), 0); |
| static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb", |
| 0x068, BIT(12), 0); |
| static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb", |
| 0x068, BIT(16), 0); |
| static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb", |
| 0x068, BIT(17), 0); |
| static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb", |
| 0x068, BIT(18), 0); |
| static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb", |
| 0x068, BIT(19), 0); |
| static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb", |
| 0x068, BIT(20), 0); |
| static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb", |
| 0x068, BIT(21), 0); |
| static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb", |
| 0x068, BIT(22), 0); |
| |
| static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" }; |
| static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088, |
| 0, 4, /* M */ |
| 16, 2, /* P */ |
| 24, 2, /* mux */ |
| BIT(31), /* gate */ |
| 0); |
| |
| static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0", |
| 0x088, 20, 3, 0); |
| static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0", |
| 0x088, 8, 3, 0); |
| |
| static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c, |
| 0, 4, /* M */ |
| 16, 2, /* P */ |
| 24, 2, /* mux */ |
| BIT(31), /* gate */ |
| 0); |
| |
| static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1", |
| 0x08c, 20, 3, 0); |
| static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1", |
| 0x08c, 8, 3, 0); |
| |
| static const char * const i2s_spdif_parents[] = { "pll-audio-8x", |
| "pll-audio-4x", |
| "pll-audio-2x", |
| "pll-audio" }; |
| |
| static SUNXI_CCU_MUX_WITH_GATE(i2s_clk, "i2s", i2s_spdif_parents, |
| 0x0b0, 16, 2, BIT(31), 0); |
| |
| static SUNXI_CCU_MUX_WITH_GATE(spdif_clk, "spdif", i2s_spdif_parents, |
| 0x0b4, 16, 2, BIT(31), 0); |
| |
| /* The BSP header file has a CIR_CFG, but no mod clock uses this definition */ |
| |
| static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M", |
| 0x0cc, BIT(1), 0); |
| |
| static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "pll-ddr", |
| 0x100, BIT(0), 0); |
| static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "pll-ddr", |
| 0x100, BIT(1), 0); |
| static SUNXI_CCU_GATE(dram_deinterlace_clk, "dram-deinterlace", |
| "pll-ddr", 0x100, BIT(2), 0); |
| static SUNXI_CCU_GATE(dram_tvd_clk, "dram-tvd", "pll-ddr", |
| 0x100, BIT(3), 0); |
| static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe", "pll-ddr", |
| 0x100, BIT(24), 0); |
| static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be", "pll-ddr", |
| 0x100, BIT(26), 0); |
| |
| static const char * const de_parents[] = { "pll-video", "pll-periph" }; |
| static const u8 de_table[] = { 0, 2, }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be", |
| de_parents, de_table, |
| 0x104, 0, 4, 24, 3, BIT(31), 0); |
| |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe", |
| de_parents, de_table, |
| 0x10c, 0, 4, 24, 3, BIT(31), 0); |
| |
| static const char * const tcon_parents[] = { "pll-video", "pll-video-2x" }; |
| static const u8 tcon_table[] = { 0, 2, }; |
| static SUNXI_CCU_MUX_TABLE_WITH_GATE(tcon_clk, "tcon", |
| tcon_parents, tcon_table, |
| 0x118, 24, 3, BIT(31), |
| CLK_SET_RATE_PARENT); |
| |
| static const char * const deinterlace_parents[] = { "pll-video", |
| "pll-video-2x" }; |
| static const u8 deinterlace_table[] = { 0, 2, }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(deinterlace_clk, "deinterlace", |
| deinterlace_parents, deinterlace_table, |
| 0x11c, 0, 4, 24, 3, BIT(31), 0); |
| |
| static const char * const tve_clk2_parents[] = { "pll-video", |
| "pll-video-2x" }; |
| static const u8 tve_clk2_table[] = { 0, 2, }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(tve_clk2_clk, "tve-clk2", |
| tve_clk2_parents, tve_clk2_table, |
| 0x120, 0, 4, 24, 3, BIT(31), 0); |
| static SUNXI_CCU_M_WITH_GATE(tve_clk1_clk, "tve-clk1", "tve-clk2", |
| 0x120, 8, 1, BIT(15), 0); |
| |
| static const char * const tvd_parents[] = { "pll-video", "osc24M", |
| "pll-video-2x" }; |
| static SUNXI_CCU_M_WITH_MUX_GATE(tvd_clk, "tvd", tvd_parents, |
| 0x124, 0, 4, 24, 3, BIT(31), 0); |
| |
| static const char * const csi_parents[] = { "pll-video", "osc24M" }; |
| static const u8 csi_table[] = { 0, 5, }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_clk, "csi", csi_parents, csi_table, |
| 0x120, 0, 4, 8, 3, BIT(15), 0); |
| |
| /* |
| * TODO: BSP says the parent is pll-audio, however common sense and experience |
| * told us it should be pll-ve. pll-ve is totally not used in BSP code. |
| */ |
| static SUNXI_CCU_GATE(ve_clk, "ve", "pll-audio", 0x13c, BIT(31), 0); |
| |
| static SUNXI_CCU_GATE(codec_clk, "codec", "pll-audio", 0x140, BIT(31), 0); |
| |
| static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x144, BIT(31), 0); |
| |
| static struct ccu_common *suniv_ccu_clks[] = { |
| &pll_cpu_clk.common, |
| &pll_audio_base_clk.common, |
| &pll_video_clk.common, |
| &pll_ve_clk.common, |
| &pll_ddr0_clk.common, |
| &pll_periph_clk.common, |
| &cpu_clk.common, |
| &ahb_clk.common, |
| &apb_clk.common, |
| &bus_dma_clk.common, |
| &bus_mmc0_clk.common, |
| &bus_mmc1_clk.common, |
| &bus_dram_clk.common, |
| &bus_spi0_clk.common, |
| &bus_spi1_clk.common, |
| &bus_otg_clk.common, |
| &bus_ve_clk.common, |
| &bus_lcd_clk.common, |
| &bus_deinterlace_clk.common, |
| &bus_csi_clk.common, |
| &bus_tve_clk.common, |
| &bus_tvd_clk.common, |
| &bus_de_be_clk.common, |
| &bus_de_fe_clk.common, |
| &bus_codec_clk.common, |
| &bus_spdif_clk.common, |
| &bus_ir_clk.common, |
| &bus_rsb_clk.common, |
| &bus_i2s0_clk.common, |
| &bus_i2c0_clk.common, |
| &bus_i2c1_clk.common, |
| &bus_i2c2_clk.common, |
| &bus_pio_clk.common, |
| &bus_uart0_clk.common, |
| &bus_uart1_clk.common, |
| &bus_uart2_clk.common, |
| &mmc0_clk.common, |
| &mmc0_sample_clk.common, |
| &mmc0_output_clk.common, |
| &mmc1_clk.common, |
| &mmc1_sample_clk.common, |
| &mmc1_output_clk.common, |
| &i2s_clk.common, |
| &spdif_clk.common, |
| &usb_phy0_clk.common, |
| &dram_ve_clk.common, |
| &dram_csi_clk.common, |
| &dram_deinterlace_clk.common, |
| &dram_tvd_clk.common, |
| &dram_de_fe_clk.common, |
| &dram_de_be_clk.common, |
| &de_be_clk.common, |
| &de_fe_clk.common, |
| &tcon_clk.common, |
| &deinterlace_clk.common, |
| &tve_clk2_clk.common, |
| &tve_clk1_clk.common, |
| &tvd_clk.common, |
| &csi_clk.common, |
| &ve_clk.common, |
| &codec_clk.common, |
| &avs_clk.common, |
| }; |
| |
| static const struct clk_hw *clk_parent_pll_audio[] = { |
| &pll_audio_base_clk.common.hw |
| }; |
| |
| static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio", |
| clk_parent_pll_audio, |
| 4, 1, CLK_SET_RATE_PARENT); |
| static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x", |
| clk_parent_pll_audio, |
| 2, 1, CLK_SET_RATE_PARENT); |
| static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x", |
| clk_parent_pll_audio, |
| 1, 1, CLK_SET_RATE_PARENT); |
| static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x", |
| clk_parent_pll_audio, |
| 1, 2, CLK_SET_RATE_PARENT); |
| static CLK_FIXED_FACTOR_HW(pll_video_2x_clk, "pll-video-2x", |
| &pll_video_clk.common.hw, |
| 1, 2, 0); |
| |
| static struct clk_hw_onecell_data suniv_hw_clks = { |
| .hws = { |
| [CLK_PLL_CPU] = &pll_cpu_clk.common.hw, |
| [CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw, |
| [CLK_PLL_AUDIO] = &pll_audio_clk.hw, |
| [CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw, |
| [CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw, |
| [CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw, |
| [CLK_PLL_VIDEO] = &pll_video_clk.common.hw, |
| [CLK_PLL_VIDEO_2X] = &pll_video_2x_clk.hw, |
| [CLK_PLL_VE] = &pll_ve_clk.common.hw, |
| [CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw, |
| [CLK_PLL_PERIPH] = &pll_periph_clk.common.hw, |
| [CLK_CPU] = &cpu_clk.common.hw, |
| [CLK_AHB] = &ahb_clk.common.hw, |
| [CLK_APB] = &apb_clk.common.hw, |
| [CLK_BUS_DMA] = &bus_dma_clk.common.hw, |
| [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw, |
| [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw, |
| [CLK_BUS_DRAM] = &bus_dram_clk.common.hw, |
| [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw, |
| [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw, |
| [CLK_BUS_OTG] = &bus_otg_clk.common.hw, |
| [CLK_BUS_VE] = &bus_ve_clk.common.hw, |
| [CLK_BUS_LCD] = &bus_lcd_clk.common.hw, |
| [CLK_BUS_DEINTERLACE] = &bus_deinterlace_clk.common.hw, |
| [CLK_BUS_CSI] = &bus_csi_clk.common.hw, |
| [CLK_BUS_TVD] = &bus_tvd_clk.common.hw, |
| [CLK_BUS_TVE] = &bus_tve_clk.common.hw, |
| [CLK_BUS_DE_BE] = &bus_de_be_clk.common.hw, |
| [CLK_BUS_DE_FE] = &bus_de_fe_clk.common.hw, |
| [CLK_BUS_CODEC] = &bus_codec_clk.common.hw, |
| [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw, |
| [CLK_BUS_IR] = &bus_ir_clk.common.hw, |
| [CLK_BUS_RSB] = &bus_rsb_clk.common.hw, |
| [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw, |
| [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw, |
| [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw, |
| [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw, |
| [CLK_BUS_PIO] = &bus_pio_clk.common.hw, |
| [CLK_BUS_UART0] = &bus_uart0_clk.common.hw, |
| [CLK_BUS_UART1] = &bus_uart1_clk.common.hw, |
| [CLK_BUS_UART2] = &bus_uart2_clk.common.hw, |
| [CLK_MMC0] = &mmc0_clk.common.hw, |
| [CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw, |
| [CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw, |
| [CLK_MMC1] = &mmc1_clk.common.hw, |
| [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw, |
| [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw, |
| [CLK_I2S] = &i2s_clk.common.hw, |
| [CLK_SPDIF] = &spdif_clk.common.hw, |
| [CLK_USB_PHY0] = &usb_phy0_clk.common.hw, |
| [CLK_DRAM_VE] = &dram_ve_clk.common.hw, |
| [CLK_DRAM_CSI] = &dram_csi_clk.common.hw, |
| [CLK_DRAM_DEINTERLACE] = &dram_deinterlace_clk.common.hw, |
| [CLK_DRAM_TVD] = &dram_tvd_clk.common.hw, |
| [CLK_DRAM_DE_FE] = &dram_de_fe_clk.common.hw, |
| [CLK_DRAM_DE_BE] = &dram_de_be_clk.common.hw, |
| [CLK_DE_BE] = &de_be_clk.common.hw, |
| [CLK_DE_FE] = &de_fe_clk.common.hw, |
| [CLK_TCON] = &tcon_clk.common.hw, |
| [CLK_DEINTERLACE] = &deinterlace_clk.common.hw, |
| [CLK_TVE2_CLK] = &tve_clk2_clk.common.hw, |
| [CLK_TVE1_CLK] = &tve_clk1_clk.common.hw, |
| [CLK_TVD] = &tvd_clk.common.hw, |
| [CLK_CSI] = &csi_clk.common.hw, |
| [CLK_VE] = &ve_clk.common.hw, |
| [CLK_CODEC] = &codec_clk.common.hw, |
| [CLK_AVS] = &avs_clk.common.hw, |
| }, |
| .num = CLK_NUMBER, |
| }; |
| |
| static struct ccu_reset_map suniv_ccu_resets[] = { |
| [RST_USB_PHY0] = { 0x0cc, BIT(0) }, |
| |
| [RST_BUS_DMA] = { 0x2c0, BIT(6) }, |
| [RST_BUS_MMC0] = { 0x2c0, BIT(8) }, |
| [RST_BUS_MMC1] = { 0x2c0, BIT(9) }, |
| [RST_BUS_DRAM] = { 0x2c0, BIT(14) }, |
| [RST_BUS_SPI0] = { 0x2c0, BIT(20) }, |
| [RST_BUS_SPI1] = { 0x2c0, BIT(21) }, |
| [RST_BUS_OTG] = { 0x2c0, BIT(24) }, |
| [RST_BUS_VE] = { 0x2c4, BIT(0) }, |
| [RST_BUS_LCD] = { 0x2c4, BIT(4) }, |
| [RST_BUS_DEINTERLACE] = { 0x2c4, BIT(5) }, |
| [RST_BUS_CSI] = { 0x2c4, BIT(8) }, |
| [RST_BUS_TVD] = { 0x2c4, BIT(9) }, |
| [RST_BUS_TVE] = { 0x2c4, BIT(10) }, |
| [RST_BUS_DE_BE] = { 0x2c4, BIT(12) }, |
| [RST_BUS_DE_FE] = { 0x2c4, BIT(14) }, |
| [RST_BUS_CODEC] = { 0x2d0, BIT(0) }, |
| [RST_BUS_SPDIF] = { 0x2d0, BIT(1) }, |
| [RST_BUS_IR] = { 0x2d0, BIT(2) }, |
| [RST_BUS_RSB] = { 0x2d0, BIT(3) }, |
| [RST_BUS_I2S0] = { 0x2d0, BIT(12) }, |
| [RST_BUS_I2C0] = { 0x2d0, BIT(16) }, |
| [RST_BUS_I2C1] = { 0x2d0, BIT(17) }, |
| [RST_BUS_I2C2] = { 0x2d0, BIT(18) }, |
| [RST_BUS_UART0] = { 0x2d0, BIT(20) }, |
| [RST_BUS_UART1] = { 0x2d0, BIT(21) }, |
| [RST_BUS_UART2] = { 0x2d0, BIT(22) }, |
| }; |
| |
| static const struct sunxi_ccu_desc suniv_ccu_desc = { |
| .ccu_clks = suniv_ccu_clks, |
| .num_ccu_clks = ARRAY_SIZE(suniv_ccu_clks), |
| |
| .hw_clks = &suniv_hw_clks, |
| |
| .resets = suniv_ccu_resets, |
| .num_resets = ARRAY_SIZE(suniv_ccu_resets), |
| }; |
| |
| static struct ccu_pll_nb suniv_pll_cpu_nb = { |
| .common = &pll_cpu_clk.common, |
| /* copy from pll_cpu_clk */ |
| .enable = BIT(31), |
| .lock = BIT(28), |
| }; |
| |
| static struct ccu_mux_nb suniv_cpu_nb = { |
| .common = &cpu_clk.common, |
| .cm = &cpu_clk.mux, |
| .delay_us = 1, /* > 8 clock cycles at 24 MHz */ |
| .bypass_index = 1, /* index of 24 MHz oscillator */ |
| }; |
| |
| static void __init suniv_f1c100s_ccu_setup(struct device_node *node) |
| { |
| void __iomem *reg; |
| u32 val; |
| |
| reg = of_io_request_and_map(node, 0, of_node_full_name(node)); |
| if (IS_ERR(reg)) { |
| pr_err("%pOF: Could not map the clock registers\n", node); |
| return; |
| } |
| |
| /* Force the PLL-Audio-1x divider to 4 */ |
| val = readl(reg + SUNIV_PLL_AUDIO_REG); |
| val &= ~GENMASK(19, 16); |
| writel(val | (3 << 16), reg + SUNIV_PLL_AUDIO_REG); |
| |
| of_sunxi_ccu_probe(node, reg, &suniv_ccu_desc); |
| |
| /* Gate then ungate PLL CPU after any rate changes */ |
| ccu_pll_notifier_register(&suniv_pll_cpu_nb); |
| |
| /* Reparent CPU during PLL CPU rate changes */ |
| ccu_mux_notifier_register(pll_cpu_clk.common.hw.clk, |
| &suniv_cpu_nb); |
| } |
| CLK_OF_DECLARE(suniv_f1c100s_ccu, "allwinner,suniv-f1c100s-ccu", |
| suniv_f1c100s_ccu_setup); |
