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https://github.com/AsahiLinux/u-boot
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4a18d23039
[backport from linux commit 2626cf67f20b28446dfc3a5b9493dd535cdb747b] According to the "Clock Root" table of the reference manual (document IMX8MNRM Rev 2, 07/2022): Clock Root offset Source Select (CCM_TARGET_ROOTn[MUX]) ... ... ... ENET_PHY_REF_CLK_ROOT 0xAA80 000 - 24M_REF_CLK 001 - SYSTEM_PLL2_DIV20 010 - SYSTEM_PLL2_DIV8 011 - SYSTEM_PLL2_DIV5 100 - SYSTEM_PLL2_DIV2 101 - AUDIO_PLL1_CLK 110 - VIDEO_PLL_CLK 111 - AUDIO_PLL2_CLK ... ... ... while the imx8mn_enet_phy_sels list didn't contained audio_pll1_out for source select bits 101b. Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Acked-by: Sean Anderson <seanga2@gmail.com> Link: https://lore.kernel.org/r/20221219113127.528282-4-dario.binacchi@amarulasolutions.com
365 lines
15 KiB
C
365 lines
15 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright 2019 NXP
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* Peng Fan <peng.fan@nxp.com>
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*/
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#include <common.h>
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#include <clk.h>
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#include <clk-uclass.h>
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#include <dm.h>
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#include <log.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/imx-regs.h>
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#include <dt-bindings/clock/imx8mn-clock.h>
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#include "clk.h"
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static u32 share_count_nand;
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static const char *pll_ref_sels[] = { "clock-osc-24m", "dummy", "dummy", "dummy", };
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static const char *dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", };
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static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", };
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static const char *sys_pll1_bypass_sels[] = {"sys_pll1", "sys_pll1_ref_sel", };
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static const char *sys_pll2_bypass_sels[] = {"sys_pll2", "sys_pll2_ref_sel", };
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static const char *sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", };
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static const char *imx8mn_a53_sels[] = {"clock-osc-24m", "arm_pll_out", "sys_pll2_500m", "sys_pll2_1000m",
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"sys_pll1_800m", "sys_pll1_400m", "audio_pll1_out", "sys_pll3_out", };
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static const char *imx8mn_ahb_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_800m", "sys_pll1_400m",
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"sys_pll2_125m", "sys_pll3_out", "audio_pll1_out", "video_pll_out", };
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static const char *imx8mn_enet_axi_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_250m",
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"sys_pll2_200m", "audio_pll1_out", "video_pll_out", "sys_pll3_out", };
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#ifndef CONFIG_SPL_BUILD
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static const char *imx8mn_enet_ref_sels[] = {"clock-osc-24m", "sys_pll2_125m", "sys_pll2_50m", "sys_pll2_100m",
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"sys_pll1_160m", "audio_pll1_out", "video_pll_out", "clk_ext4", };
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static const char *imx8mn_enet_timer_sels[] = {"clock-osc-24m", "sys_pll2_100m", "audio_pll1_out", "clk_ext1", "clk_ext2",
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"clk_ext3", "clk_ext4", "video_pll_out", };
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static const char *imx8mn_enet_phy_sels[] = {"clock-osc-24m", "sys_pll2_50m", "sys_pll2_125m", "sys_pll2_200m",
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"sys_pll2_500m", "audio_pll1_out", "video_pll_out", "audio_pll2_out", };
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#endif
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static const char *imx8mn_nand_usdhc_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_200m",
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"sys_pll1_133m", "sys_pll3_out", "sys_pll2_250m", "audio_pll1_out", };
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static const char * const imx8mn_usb_bus_sels[] = {"clock-osc-24m", "sys_pll2_500m", "sys_pll1_800m",
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"sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
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"clk_ext4", "audio_pll2_out", };
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static const char *imx8mn_usdhc1_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
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"sys_pll3_out", "sys_pll1_266m", "audio_pll2_out", "sys_pll1_100m", };
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static const char *imx8mn_usdhc2_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
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"sys_pll3_out", "sys_pll1_266m", "audio_pll2_out", "sys_pll1_100m", };
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#if CONFIG_IS_ENABLED(DM_SPI)
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static const char *imx8mn_ecspi1_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_40m",
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"sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
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"sys_pll2_250m", "audio_pll2_out", };
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static const char *imx8mn_ecspi2_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_40m",
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"sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
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"sys_pll2_250m", "audio_pll2_out", };
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static const char *imx8mn_ecspi3_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_40m",
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"sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
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"sys_pll2_250m", "audio_pll2_out", };
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#endif
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static const char *imx8mn_i2c1_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
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"video_pll_out", "audio_pll2_out", "sys_pll1_133m", };
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static const char *imx8mn_i2c2_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
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"video_pll_out", "audio_pll2_out", "sys_pll1_133m", };
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static const char *imx8mn_i2c3_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
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"video_pll_out", "audio_pll2_out", "sys_pll1_133m", };
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static const char *imx8mn_i2c4_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
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"video_pll_out", "audio_pll2_out", "sys_pll1_133m", };
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static const char *imx8mn_wdog_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_160m", "m7_alt_pll",
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"sys_pll2_125m", "sys_pll3_out", "sys_pll1_80m", "sys_pll2_166m", };
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static const char *imx8mn_usdhc3_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
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"sys_pll3_out", "sys_pll1_266m", "audio_pll2_clk", "sys_pll1_100m", };
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static const char *imx8mn_qspi_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll2_333m", "sys_pll2_500m",
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"audio_pll2_out", "sys_pll1_266m", "sys_pll3_out", "sys_pll1_100m", };
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static const char * const imx8mn_nand_sels[] = {"osc_24m", "sys_pll2_500m", "audio_pll1_out",
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"sys_pll1_400m", "audio_pll2_out", "sys_pll3_out",
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"sys_pll2_250m", "video_pll_out", };
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static const char * const imx8mn_usb_core_sels[] = {"clock-osc-24m", "sys_pll1_100m", "sys_pll1_40m",
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"sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
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"clk_ext3", "audio_pll2_out", };
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static const char * const imx8mn_usb_phy_sels[] = {"clock-osc-24m", "sys_pll1_100m", "sys_pll1_40m",
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"sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
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"clk_ext3", "audio_pll2_out", };
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static int imx8mn_clk_probe(struct udevice *dev)
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{
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void __iomem *base;
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base = (void *)ANATOP_BASE_ADDR;
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clk_dm(IMX8MN_DRAM_PLL_REF_SEL,
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imx_clk_mux("dram_pll_ref_sel", base + 0x50, 0, 2,
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pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
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clk_dm(IMX8MN_ARM_PLL_REF_SEL,
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imx_clk_mux("arm_pll_ref_sel", base + 0x84, 0, 2,
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pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
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clk_dm(IMX8MN_SYS_PLL1_REF_SEL,
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imx_clk_mux("sys_pll1_ref_sel", base + 0x94, 0, 2,
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pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
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clk_dm(IMX8MN_SYS_PLL2_REF_SEL,
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imx_clk_mux("sys_pll2_ref_sel", base + 0x104, 0, 2,
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pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
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clk_dm(IMX8MN_SYS_PLL3_REF_SEL,
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imx_clk_mux("sys_pll3_ref_sel", base + 0x114, 0, 2,
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pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
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clk_dm(IMX8MN_DRAM_PLL,
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imx_clk_pll14xx("dram_pll", "dram_pll_ref_sel",
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base + 0x50, &imx_1443x_dram_pll));
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clk_dm(IMX8MN_ARM_PLL,
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imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel",
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base + 0x84, &imx_1416x_pll));
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clk_dm(IMX8MN_SYS_PLL1,
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imx_clk_pll14xx("sys_pll1", "sys_pll1_ref_sel",
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base + 0x94, &imx_1416x_pll));
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clk_dm(IMX8MN_SYS_PLL2,
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imx_clk_pll14xx("sys_pll2", "sys_pll2_ref_sel",
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base + 0x104, &imx_1416x_pll));
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clk_dm(IMX8MN_SYS_PLL3,
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imx_clk_pll14xx("sys_pll3", "sys_pll3_ref_sel",
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base + 0x114, &imx_1416x_pll));
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/* PLL bypass out */
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clk_dm(IMX8MN_DRAM_PLL_BYPASS,
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imx_clk_mux_flags("dram_pll_bypass", base + 0x50, 4, 1,
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dram_pll_bypass_sels,
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ARRAY_SIZE(dram_pll_bypass_sels),
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CLK_SET_RATE_PARENT));
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clk_dm(IMX8MN_ARM_PLL_BYPASS,
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imx_clk_mux_flags("arm_pll_bypass", base + 0x84, 4, 1,
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arm_pll_bypass_sels,
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ARRAY_SIZE(arm_pll_bypass_sels),
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CLK_SET_RATE_PARENT));
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clk_dm(IMX8MN_SYS_PLL1_BYPASS,
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imx_clk_mux_flags("sys_pll1_bypass", base + 0x94, 4, 1,
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sys_pll1_bypass_sels,
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ARRAY_SIZE(sys_pll1_bypass_sels),
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CLK_SET_RATE_PARENT));
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clk_dm(IMX8MN_SYS_PLL2_BYPASS,
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imx_clk_mux_flags("sys_pll2_bypass", base + 0x104, 4, 1,
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sys_pll2_bypass_sels,
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ARRAY_SIZE(sys_pll2_bypass_sels),
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CLK_SET_RATE_PARENT));
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clk_dm(IMX8MN_SYS_PLL3_BYPASS,
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imx_clk_mux_flags("sys_pll3_bypass", base + 0x114, 4, 1,
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sys_pll3_bypass_sels,
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ARRAY_SIZE(sys_pll3_bypass_sels),
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CLK_SET_RATE_PARENT));
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/* PLL out gate */
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clk_dm(IMX8MN_DRAM_PLL_OUT,
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imx_clk_gate("dram_pll_out", "dram_pll_bypass",
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base + 0x50, 13));
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clk_dm(IMX8MN_ARM_PLL_OUT,
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imx_clk_gate("arm_pll_out", "arm_pll_bypass",
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base + 0x84, 11));
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clk_dm(IMX8MN_SYS_PLL1_OUT,
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imx_clk_gate("sys_pll1_out", "sys_pll1_bypass",
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base + 0x94, 11));
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clk_dm(IMX8MN_SYS_PLL2_OUT,
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imx_clk_gate("sys_pll2_out", "sys_pll2_bypass",
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base + 0x104, 11));
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clk_dm(IMX8MN_SYS_PLL3_OUT,
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imx_clk_gate("sys_pll3_out", "sys_pll3_bypass",
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base + 0x114, 11));
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/* SYS PLL fixed output */
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clk_dm(IMX8MN_SYS_PLL1_40M,
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imx_clk_fixed_factor("sys_pll1_40m", "sys_pll1_out", 1, 20));
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clk_dm(IMX8MN_SYS_PLL1_80M,
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imx_clk_fixed_factor("sys_pll1_80m", "sys_pll1_out", 1, 10));
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clk_dm(IMX8MN_SYS_PLL1_100M,
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imx_clk_fixed_factor("sys_pll1_100m", "sys_pll1_out", 1, 8));
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clk_dm(IMX8MN_SYS_PLL1_133M,
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imx_clk_fixed_factor("sys_pll1_133m", "sys_pll1_out", 1, 6));
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clk_dm(IMX8MN_SYS_PLL1_160M,
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imx_clk_fixed_factor("sys_pll1_160m", "sys_pll1_out", 1, 5));
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clk_dm(IMX8MN_SYS_PLL1_200M,
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imx_clk_fixed_factor("sys_pll1_200m", "sys_pll1_out", 1, 4));
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clk_dm(IMX8MN_SYS_PLL1_266M,
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imx_clk_fixed_factor("sys_pll1_266m", "sys_pll1_out", 1, 3));
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clk_dm(IMX8MN_SYS_PLL1_400M,
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imx_clk_fixed_factor("sys_pll1_400m", "sys_pll1_out", 1, 2));
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clk_dm(IMX8MN_SYS_PLL1_800M,
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imx_clk_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1));
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clk_dm(IMX8MN_SYS_PLL2_50M,
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imx_clk_fixed_factor("sys_pll2_50m", "sys_pll2_out", 1, 20));
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clk_dm(IMX8MN_SYS_PLL2_100M,
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imx_clk_fixed_factor("sys_pll2_100m", "sys_pll2_out", 1, 10));
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clk_dm(IMX8MN_SYS_PLL2_125M,
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imx_clk_fixed_factor("sys_pll2_125m", "sys_pll2_out", 1, 8));
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clk_dm(IMX8MN_SYS_PLL2_166M,
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imx_clk_fixed_factor("sys_pll2_166m", "sys_pll2_out", 1, 6));
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clk_dm(IMX8MN_SYS_PLL2_200M,
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imx_clk_fixed_factor("sys_pll2_200m", "sys_pll2_out", 1, 5));
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clk_dm(IMX8MN_SYS_PLL2_250M,
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imx_clk_fixed_factor("sys_pll2_250m", "sys_pll2_out", 1, 4));
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clk_dm(IMX8MN_SYS_PLL2_333M,
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imx_clk_fixed_factor("sys_pll2_333m", "sys_pll2_out", 1, 3));
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clk_dm(IMX8MN_SYS_PLL2_500M,
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imx_clk_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2));
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clk_dm(IMX8MN_SYS_PLL2_1000M,
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imx_clk_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1));
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base = dev_read_addr_ptr(dev);
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if (!base)
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return -EINVAL;
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clk_dm(IMX8MN_CLK_A53_SRC,
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imx_clk_mux2("arm_a53_src", base + 0x8000, 24, 3,
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imx8mn_a53_sels, ARRAY_SIZE(imx8mn_a53_sels)));
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clk_dm(IMX8MN_CLK_A53_CG,
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imx_clk_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28));
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clk_dm(IMX8MN_CLK_A53_DIV,
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imx_clk_divider2("arm_a53_div", "arm_a53_cg",
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base + 0x8000, 0, 3));
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clk_dm(IMX8MN_CLK_AHB,
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imx8m_clk_composite_critical("ahb", imx8mn_ahb_sels,
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base + 0x9000));
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clk_dm(IMX8MN_CLK_IPG_ROOT,
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imx_clk_divider2("ipg_root", "ahb", base + 0x9080, 0, 1));
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clk_dm(IMX8MN_CLK_ENET_AXI,
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imx8m_clk_composite("enet_axi", imx8mn_enet_axi_sels,
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base + 0x8880));
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clk_dm(IMX8MN_CLK_NAND_USDHC_BUS,
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imx8m_clk_composite_critical("nand_usdhc_bus",
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imx8mn_nand_usdhc_sels,
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base + 0x8900));
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clk_dm(IMX8MN_CLK_USB_BUS,
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imx8m_clk_composite("usb_bus", imx8mn_usb_bus_sels, base + 0x8b80));
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/* IP */
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clk_dm(IMX8MN_CLK_USDHC1,
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imx8m_clk_composite("usdhc1", imx8mn_usdhc1_sels,
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base + 0xac00));
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clk_dm(IMX8MN_CLK_USDHC2,
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imx8m_clk_composite("usdhc2", imx8mn_usdhc2_sels,
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base + 0xac80));
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clk_dm(IMX8MN_CLK_I2C1,
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imx8m_clk_composite("i2c1", imx8mn_i2c1_sels, base + 0xad00));
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clk_dm(IMX8MN_CLK_I2C2,
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imx8m_clk_composite("i2c2", imx8mn_i2c2_sels, base + 0xad80));
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clk_dm(IMX8MN_CLK_I2C3,
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imx8m_clk_composite("i2c3", imx8mn_i2c3_sels, base + 0xae00));
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clk_dm(IMX8MN_CLK_I2C4,
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imx8m_clk_composite("i2c4", imx8mn_i2c4_sels, base + 0xae80));
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clk_dm(IMX8MN_CLK_WDOG,
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imx8m_clk_composite("wdog", imx8mn_wdog_sels, base + 0xb900));
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clk_dm(IMX8MN_CLK_USDHC3,
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imx8m_clk_composite("usdhc3", imx8mn_usdhc3_sels,
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base + 0xbc80));
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clk_dm(IMX8MN_CLK_NAND,
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imx8m_clk_composite("nand", imx8mn_nand_sels, base + 0xab00));
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clk_dm(IMX8MN_CLK_QSPI,
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imx8m_clk_composite("qspi", imx8mn_qspi_sels, base + 0xab80));
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clk_dm(IMX8MN_CLK_USB_CORE_REF,
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imx8m_clk_composite("usb_core_ref", imx8mn_usb_core_sels, base + 0xb100));
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clk_dm(IMX8MN_CLK_USB_PHY_REF,
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imx8m_clk_composite("usb_phy_ref", imx8mn_usb_phy_sels, base + 0xb180));
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clk_dm(IMX8MN_CLK_I2C1_ROOT,
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imx_clk_gate4("i2c1_root_clk", "i2c1", base + 0x4170, 0));
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clk_dm(IMX8MN_CLK_I2C2_ROOT,
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imx_clk_gate4("i2c2_root_clk", "i2c2", base + 0x4180, 0));
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clk_dm(IMX8MN_CLK_I2C3_ROOT,
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imx_clk_gate4("i2c3_root_clk", "i2c3", base + 0x4190, 0));
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clk_dm(IMX8MN_CLK_I2C4_ROOT,
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imx_clk_gate4("i2c4_root_clk", "i2c4", base + 0x41a0, 0));
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clk_dm(IMX8MN_CLK_OCOTP_ROOT,
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imx_clk_gate4("ocotp_root_clk", "ipg_root", base + 0x4220, 0));
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clk_dm(IMX8MN_CLK_USDHC1_ROOT,
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imx_clk_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0));
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clk_dm(IMX8MN_CLK_USDHC2_ROOT,
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imx_clk_gate4("usdhc2_root_clk", "usdhc2", base + 0x4520, 0));
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|
clk_dm(IMX8MN_CLK_WDOG1_ROOT,
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|
imx_clk_gate4("wdog1_root_clk", "wdog", base + 0x4530, 0));
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|
clk_dm(IMX8MN_CLK_WDOG2_ROOT,
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|
imx_clk_gate4("wdog2_root_clk", "wdog", base + 0x4540, 0));
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|
clk_dm(IMX8MN_CLK_WDOG3_ROOT,
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|
imx_clk_gate4("wdog3_root_clk", "wdog", base + 0x4550, 0));
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|
clk_dm(IMX8MN_CLK_USDHC3_ROOT,
|
|
imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0));
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|
clk_dm(IMX8MN_CLK_QSPI_ROOT,
|
|
imx_clk_gate4("qspi_root_clk", "qspi", base + 0x42f0, 0));
|
|
clk_dm(IMX8MN_CLK_NAND_ROOT,
|
|
imx_clk_gate2_shared2("nand_root_clk", "nand", base + 0x4300, 0, &share_count_nand));
|
|
clk_dm(IMX8MN_CLK_NAND_USDHC_BUS_RAWNAND_CLK,
|
|
imx_clk_gate2_shared2("nand_usdhc_rawnand_clk",
|
|
"nand_usdhc_bus", base + 0x4300, 0,
|
|
&share_count_nand));
|
|
clk_dm(IMX8MN_CLK_USB1_CTRL_ROOT,
|
|
imx_clk_gate4("usb1_ctrl_root_clk", "usb_bus", base + 0x44d0, 0));
|
|
|
|
/* clks not needed in SPL stage */
|
|
#ifndef CONFIG_SPL_BUILD
|
|
clk_dm(IMX8MN_CLK_ENET_REF,
|
|
imx8m_clk_composite("enet_ref", imx8mn_enet_ref_sels,
|
|
base + 0xa980));
|
|
clk_dm(IMX8MN_CLK_ENET_TIMER,
|
|
imx8m_clk_composite("enet_timer", imx8mn_enet_timer_sels,
|
|
base + 0xaa00));
|
|
clk_dm(IMX8MN_CLK_ENET_PHY_REF,
|
|
imx8m_clk_composite("enet_phy", imx8mn_enet_phy_sels,
|
|
base + 0xaa80));
|
|
clk_dm(IMX8MN_CLK_ENET1_ROOT,
|
|
imx_clk_gate4("enet1_root_clk", "enet_axi",
|
|
base + 0x40a0, 0));
|
|
#endif
|
|
|
|
#if CONFIG_IS_ENABLED(DM_SPI)
|
|
clk_dm(IMX8MN_CLK_ECSPI1,
|
|
imx8m_clk_composite("ecspi1", imx8mn_ecspi1_sels, base + 0xb280));
|
|
clk_dm(IMX8MN_CLK_ECSPI2,
|
|
imx8m_clk_composite("ecspi2", imx8mn_ecspi2_sels, base + 0xb300));
|
|
clk_dm(IMX8MN_CLK_ECSPI3,
|
|
imx8m_clk_composite("ecspi3", imx8mn_ecspi3_sels, base + 0xc180));
|
|
clk_dm(IMX8MN_CLK_ECSPI1_ROOT,
|
|
imx_clk_gate4("ecspi1_root_clk", "ecspi1", base + 0x4070, 0));
|
|
clk_dm(IMX8MN_CLK_ECSPI2_ROOT,
|
|
imx_clk_gate4("ecspi2_root_clk", "ecspi2", base + 0x4080, 0));
|
|
clk_dm(IMX8MN_CLK_ECSPI3_ROOT,
|
|
imx_clk_gate4("ecspi3_root_clk", "ecspi3", base + 0x4090, 0));
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct udevice_id imx8mn_clk_ids[] = {
|
|
{ .compatible = "fsl,imx8mn-ccm" },
|
|
{ },
|
|
};
|
|
|
|
U_BOOT_DRIVER(imx8mn_clk) = {
|
|
.name = "clk_imx8mn",
|
|
.id = UCLASS_CLK,
|
|
.of_match = imx8mn_clk_ids,
|
|
.ops = &ccf_clk_ops,
|
|
.probe = imx8mn_clk_probe,
|
|
.flags = DM_FLAG_PRE_RELOC,
|
|
};
|