Re: [PATCH v6 5/5] clk: imx: add clock driver for i.MX8MQ CCM
From: Andrey Smirnov <hidden>
Date: 2018-08-28 18:46:14
Also in:
linux-clk, lkml
On Wed, Aug 22, 2018 at 7:05 AM Abel Vesa [off-list ref] wrote:
quoted hunk ↗ jump to hunk
From: Lucas Stach <l.stach@pengutronix.de> Add driver for the Clock Control Module found on i.MX8MQ. This is largely based on the downstream driver from Anson Huang and Bai Ping at NXP, with only some small adaptions to mainline from me. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Abel Vesa <redacted> --- drivers/clk/imx/Makefile | 1 + drivers/clk/imx/clk-imx8mq.c | 631 +++++++++++++++++++++++++++++++++++++++++++ drivers/clk/imx/clk.h | 36 +++ 3 files changed, 668 insertions(+) create mode 100644 drivers/clk/imx/clk-imx8mq.cdiff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index 4fabb0a..64e695c 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile@@ -30,3 +30,4 @@ obj-$(CONFIG_SOC_IMX6SX) += clk-imx6sx.o obj-$(CONFIG_SOC_IMX6UL) += clk-imx6ul.o obj-$(CONFIG_SOC_IMX7D) += clk-imx7d.o obj-$(CONFIG_SOC_VF610) += clk-vf610.o +obj-$(CONFIG_SOC_IMX8MQ) += clk-imx8mq.odiff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c new file mode 100644 index 0000000..d3a9e31 --- /dev/null +++ b/drivers/clk/imx/clk-imx8mq.c@@ -0,0 +1,631 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 NXP. + * Copyright (C) 2017 Pengutronix, Lucas Stach <kernel@pengutronix.de> + */ + +#include <dt-bindings/clock/imx8mq-clock.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/types.h> + +#include "clk.h" + +static u32 share_count_sai1; +static u32 share_count_sai2; +static u32 share_count_sai3; +static u32 share_count_sai4; +static u32 share_count_sai5; +static u32 share_count_sai6; +static u32 share_count_dcss; +static u32 share_count_nand; + +static struct clk *clks[IMX8MQ_CLK_END]; + +static const char *pll_ref_sels[] = { "osc_25m", "osc_27m", "dummy", "dummy", }; +static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", }; +static const char *gpu_pll_bypass_sels[] = {"gpu_pll", "gpu_pll_ref_sel", }; +static const char *vpu_pll_bypass_sels[] = {"vpu_pll", "vpu_pll_ref_sel", }; +static const char *audio_pll1_bypass_sels[] = {"audio_pll1", "audio_pll1_ref_sel", }; +static const char *audio_pll2_bypass_sels[] = {"audio_pll2", "audio_pll2_ref_sel", }; +static const char *video_pll1_bypass_sels[] = {"video_pll1", "video_pll1_ref_sel", }; + +static const char *sys1_pll1_out_sels[] = {"sys1_pll1", "sys1_pll1_ref_sel", }; +static const char *sys2_pll1_out_sels[] = {"sys2_pll1", "sys1_pll1_ref_sel", }; +static const char *sys3_pll1_out_sels[] = {"sys3_pll1", "sys3_pll1_ref_sel", }; +static const char *dram_pll1_out_sels[] = {"dram_pll1", "dram_pll1_ref_sel", }; +static const char *video2_pll1_out_sels[] = {"video2_pll1", "video2_pll1_ref_sel", }; + +static const char *sys1_pll2_out_sels[] = {"sys1_pll2_div", "sys1_pll1_ref_sel", }; +static const char *sys2_pll2_out_sels[] = {"sys2_pll2_div", "sys2_pll1_ref_sel", }; +static const char *sys3_pll2_out_sels[] = {"sys3_pll2_div", "sys2_pll1_ref_sel", }; +static const char *dram_pll2_out_sels[] = {"dram_pll2_div", "dram_pll1_ref_sel", }; +static const char *video2_pll2_out_sels[] = {"video2_pll2_div", "video2_pll1_ref_sel", }; + +/* CCM ROOT */ +static const char *imx8mq_a53_sels[] = {"osc_25m", "arm_pll_out", "sys2_pll_500m", "sys2_pll_1000m", + "sys1_pll_800m", "sys1_pll_400m", "audio_pll1_out", "sys3_pll2_out", }; + +static const char *imx8mq_vpu_sels[] = {"osc_25m", "arm_pll_out", "sys2_pll_500m", "sys2_pll_1000m", + "sys1_pll_800m", "sys1_pll_400m", "audio_pll1_out", "vpu_pll_out", }; + +static const char *imx8mq_gpu_core_sels[] = {"osc_25m", "gpu_pll_out", "sys1_pll_800m", "sys3_pll2_out", + "sys2_pll_1000m", "audio_pll1_out", "video_pll1_out", "audio_pll2_out", }; + +static const char *imx8mq_gpu_shader_sels[] = {"osc_25m", "gpu_pll_out", "sys1_pll_800m", "sys3_pll2_out", + "sys2_pll_1000m", "audio_pll1_out", "video_pll1_out", "audio_pll2_out", }; + +static const char *imx8mq_main_axi_sels[] = {"osc_25m", "sys2_pll_333m", "sys1_pll_800m", "sys2_pll_250m", + "sys2_pll_1000m", "audio_pll1_out", "video_pll1_out", "sys1_pll_100m",}; + +static const char *imx8mq_enet_axi_sels[] = {"osc_25m", "sys1_pll_266m", "sys1_pll_800m", "sys2_pll_250m", + "sys2_pll_200m", "audio_pll1_out", "video_pll1_out", "sys3_pll2_out", }; + +static const char *imx8mq_nand_usdhc_sels[] = {"osc_25m", "sys1_pll_266m", "sys1_pll_800m", "sys2_pll_200m", + "sys1_pll_133m", "sys3_pll2_out", "sys2_pll_250m", "audio_pll1_out", }; + +static const char *imx8mq_vpu_bus_sels[] = {"osc_25m", "sys1_pll_800m", "vpu_pll_out", "audio_pll2_out", "sys3_pll2_out", "sys2_pll_1000m", "sys2_pll_200m", "sys1_pll_100m", }; + +static const char *imx8mq_disp_axi_sels[] = {"osc_25m", "sys2_pll_125m", "sys1_pll_800m", "sys3_pll2_out", "sys1_pll_400m", "audio_pll2_out", "clk_ext1", "clk_ext4", }; + +static const char *imx8mq_disp_apb_sels[] = {"osc_25m", "sys2_pll_125m", "sys1_pll_800m", "sys3_pll2_out", + "sys1_pll_40m", "audio_pll2_out", "clk_ext1", "clk_ext3", }; + +static const char *imx8mq_disp_rtrm_sels[] = {"osc_25m", "sys1_pll_800m", "sys2_pll_200m", "sys1_pll_400m", + "audio_pll1_out", "video_pll1_out", "clk_ext2", "clk_ext3", }; + +static const char *imx8mq_usb_bus_sels[] = {"osc_25m", "sys2_pll_500m", "sys1_pll_800m", "sys2_pll_100m", + "sys2_pll_200m", "clk_ext2", "clk_ext4", "audio_pll2_out", }; + +static const char *imx8mq_gpu_axi_sels[] = {"osc_25m", "sys1_pll_800m", "gpu_pll_out", "sys3_pll2_out", "sys2_pll_1000m", + "audio_pll1_out", "video_pll1_out", "audio_pll2_out", }; + +static const char *imx8mq_gpu_ahb_sels[] = {"osc_25m", "sys1_pll_800m", "gpu_pll_out", "sys3_pll2_out", "sys2_pll_1000m", + "audio_pll1_out", "video_pll1_out", "audio_pll2_out", }; + +static const char *imx8mq_noc_sels[] = {"osc_25m", "sys1_pll_800m", "sys3_pll2_out", "sys2_pll_1000m", "sys2_pll_500m", + "audio_pll1_out", "video_pll1_out", "audio_pll2_out", }; + +static const char *imx8mq_noc_apb_sels[] = {"osc_25m", "sys1_pll_400m", "sys3_pll2_out", "sys2_pll_333m", "sys2_pll_200m", + "sys1_pll_800m", "audio_pll1_out", "video_pll1_out", }; + +static const char *imx8mq_ahb_sels[] = {"osc_25m", "sys1_pll_133m", "sys1_pll_800m", "sys1_pll_400m", + "sys2_pll_125m", "sys3_pll2_out", "audio_pll1_out", "video_pll1_out", }; + +static const char *imx8mq_audio_ahb_sels[] = {"osc_25m", "sys2_pll_500m", "sys1_pll_800m", "sys2_pll_1000m", + "sys2_pll_166m", "sys3_pll2_out", "audio_pll1_out", "video_pll1_out", }; + +static const char *imx8mq_dsi_ahb_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_800m", + "sys2_pll_1000m", "sys3_pll2_out", "clk_ext3", "audio_pll2_out"}; + +static const char *imx8mq_dram_alt_sels[] = {"osc_25m", "sys1_pll_800m", "sys1_pll_100m", "sys2_pll_500m", + "sys2_pll_250m", "sys1_pll_400m", "audio_pll1_out", "sys1_pll_266m", }; + +static const char *imx8mq_dram_apb_sels[] = {"osc_25m", "sys2_pll_200m", "sys1_pll_40m", "sys1_pll_160m", + "sys1_pll_800m", "sys3_pll2_out", "sys2_pll_250m", "audio_pll2_out", }; + +static const char *imx8mq_vpu_g1_sels[] = {"osc_25m", "vpu_pll_out", "sys1_pll_800m", "sys2_pll_1000m", "sys1_pll_100m", "sys2_pll_125m", "sys3_pll2_out", "audio_pll1_out", }; + +static const char *imx8mq_vpu_g2_sels[] = {"osc_25m", "vpu_pll_out", "sys1_pll_800m", "sys2_pll_1000m", "sys1_pll_100m", "sys2_pll_125m", "sys3_pll2_out", "audio_pll1_out", }; + +static const char *imx8mq_disp_dtrc_sels[] = {"osc_25m", "vpu_pll_out", "sys1_pll_800m", "sys2_pll_1000m", "sys1_pll_160m", "sys2_pll_100m", "sys3_pll2_out", "audio_pll2_out", }; + +static const char *imx8mq_disp_dc8000_sels[] = {"osc_25m", "vpu_pll_out", "sys1_pll_800m", "sys2_pll_1000m", "sys1_pll_160m", "sys2_pll_100m", "sys3_pll2_out", "audio_pll2_out", }; + +static const char *imx8mq_pcie1_ctrl_sels[] = {"osc_25m", "sys2_pll_250m", "sys2_pll_200m", "sys1_pll_266m", + "sys1_pll_800m", "sys2_pll_500m", "sys2_pll_250m", "sys3_pll2_out", }; + +static const char *imx8mq_pcie1_phy_sels[] = {"osc_25m", "sys2_pll_100m", "sys2_pll_500m", "clk_ext1", "clk_ext2", + "clk_ext3", "clk_ext4", }; + +static const char *imx8mq_pcie1_aux_sels[] = {"osc_25m", "sys2_pll_200m", "sys2_pll_500m", "sys3_pll2_out", + "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_160m", "sys1_pll_200m", }; + +static const char *imx8mq_dc_pixel_sels[] = {"osc_25m", "video_pll1_out", "audio_pll2_out", "audio_pll1_out", "sys1_pll_800m", "sys2_pll_1000m", "sys3_pll2_out", "clk_ext4", }; + +static const char *imx8mq_lcdif_pixel_sels[] = {"osc_25m", "video_pll1_out", "audio_pll2_out", "audio_pll1_out", "sys1_pll_800m", "sys2_pll_1000m", "sys3_pll2_out", "clk_ext4", }; + +static const char *imx8mq_sai1_sels[] = {"osc_25m", "audio_pll1_out", "audio_pll2_out", "video_pll1_out", "sys1_pll_133m", "osc_27m", "clk_ext1", "clk_ext2", }; + +static const char *imx8mq_sai2_sels[] = {"osc_25m", "audio_pll1_out", "audio_pll2_out", "video_pll1_out", "sys1_pll_133m", "osc_27m", "clk_ext2", "clk_ext3", }; + +static const char *imx8mq_sai3_sels[] = {"osc_25m", "audio_pll1_out", "audio_pll2_out", "video_pll1_out", "sys1_pll_133m", "osc_27m", "clk_ext3", "clk_ext4", }; + +static const char *imx8mq_sai4_sels[] = {"osc_25m", "audio_pll1_out", "audio_pll2_out", "video_pll1_out", "sys1_pll_133m", "osc_27m", "clk_ext1", "clk_ext2", }; + +static const char *imx8mq_sai5_sels[] = {"osc_25m", "audio_pll1_out", "audio_pll2_out", "video_pll1_out", "sys1_pll_133m", "osc_27m", "clk_ext2", "clk_ext3", }; + +static const char *imx8mq_sai6_sels[] = {"osc_25m", "audio_pll1_out", "audio_pll2_out", "video_pll1_out", "sys1_pll_133m", "osc_27m", "clk_ext3", "clk_ext4", }; + +static const char *imx8mq_spdif1_sels[] = {"osc_25m", "audio_pll1_out", "audio_pll2_out", "video_pll1_out", "sys1_pll_133m", "osc_27m", "clk_ext2", "clk_ext3", }; + +static const char *imx8mq_spdif2_sels[] = {"osc_25m", "audio_pll1_out", "audio_pll2_out", "video_pll1_out", "sys1_pll_133m", "osc_27m", "clk_ext3", "clk_ext4", }; + +static const char *imx8mq_enet_ref_sels[] = {"osc_25m", "sys2_pll_125m", "sys2_pll_500m", "sys2_pll_100m", + "sys1_pll_160m", "audio_pll1_out", "video_pll1_out", "clk_ext4", }; + +static const char *imx8mq_enet_timer_sels[] = {"osc_25m", "sys2_pll_100m", "audio_pll1_out", "clk_ext1", "clk_ext2", + "clk_ext3", "clk_ext4", "video_pll1_out", }; + +static const char *imx8mq_enet_phy_sels[] = {"osc_25m", "sys2_pll_50m", "sys2_pll_125m", "sys2_pll_500m", + "audio_pll1_out", "video_pll1_out", "audio_pll2_out", }; + +static const char *imx8mq_nand_sels[] = {"osc_25m", "sys2_pll_500m", "audio_pll1_out", "sys1_pll_400m", + "audio_pll2_out", "sys3_pll2_out", "sys2_pll_250m", "video_pll1_out", }; + +static const char *imx8mq_qspi_sels[] = {"osc_25m", "sys1_pll_400m", "sys1_pll_800m", "sys2_pll_500m", + "audio_pll2_out", "sys1_pll_266m", "sys3_pll2_out", "sys1_pll_100m", }; + +static const char *imx8mq_usdhc1_sels[] = {"osc_25m", "sys1_pll_400m", "sys1_pll_800m", "sys2_pll_500m", + "audio_pll2_out", "sys1_pll_266m", "sys3_pll2_out", "sys1_pll_100m", }; + +static const char *imx8mq_usdhc2_sels[] = {"osc_25m", "sys1_pll_400m", "sys1_pll_800m", "sys2_pll_500m", + "audio_pll2_out", "sys1_pll_266m", "sys3_pll2_out", "sys1_pll_100m", }; + +static const char *imx8mq_i2c1_sels[] = {"osc_25m", "sys1_pll_160m", "sys2_pll_50m", "sys3_pll2_out", "audio_pll1_out", + "video_pll1_out", "audio_pll2_out", "sys1_pll_133m", }; + +static const char *imx8mq_i2c2_sels[] = {"osc_25m", "sys1_pll_160m", "sys2_pll_50m", "sys3_pll2_out", "audio_pll1_out", + "video_pll1_out", "audio_pll2_out", "sys1_pll_133m", }; + +static const char *imx8mq_i2c3_sels[] = {"osc_25m", "sys1_pll_160m", "sys2_pll_50m", "sys3_pll2_out", "audio_pll1_out", + "video_pll1_out", "audio_pll2_out", "sys1_pll_133m", }; + +static const char *imx8mq_i2c4_sels[] = {"osc_25m", "sys1_pll_160m", "sys2_pll_50m", "sys3_pll2_out", "audio_pll1_out", + "video_pll1_out", "audio_pll2_out", "sys1_pll_133m", }; + +static const char *imx8mq_uart1_sels[] = {"osc_25m", "sys1_pll_80m", "sys2_pll_200m", "sys2_pll_100m", + "sys3_pll2_out", "clk_ext2", "clk_ext4", "audio_pll2_out", }; + +static const char *imx8mq_uart2_sels[] = {"osc_25m", "sys1_pll_80m", "sys2_pll_200m", "sys2_pll_100m", + "sys3_pll2_out", "clk_ext2", "clk_ext3", "audio_pll2_out", }; + +static const char *imx8mq_uart3_sels[] = {"osc_25m", "sys1_pll_80m", "sys2_pll_200m", "sys2_pll_100m", + "sys3_pll2_out", "clk_ext2", "clk_ext4", "audio_pll2_out", }; + +static const char *imx8mq_uart4_sels[] = {"osc_25m", "sys1_pll_80m", "sys2_pll_200m", "sys2_pll_100m", + "sys3_pll2_out", "clk_ext2", "clk_ext3", "audio_pll2_out", }; + +static const char *imx8mq_usb_core_sels[] = {"osc_25m", "sys1_pll_100m", "sys1_pll_40m", "sys2_pll_100m", + "sys2_pll_200m", "clk_ext2", "clk_ext3", "audio_pll2_out", }; + +static const char *imx8mq_usb_phy_sels[] = {"osc_25m", "sys1_pll_100m", "sys1_pll_40m", "sys2_pll_100m", + "sys2_pll_200m", "clk_ext2", "clk_ext3", "audio_pll2_out", }; + +static const char *imx8mq_ecspi1_sels[] = {"osc_25m", "sys2_pll_200m", "sys1_pll_40m", "sys1_pll_160m", + "sys1_pll_800m", "sys3_pll2_out", "sys2_pll_250m", "audio_pll2_out", }; + +static const char *imx8mq_ecspi2_sels[] = {"osc_25m", "sys2_pll_200m", "sys1_pll_40m", "sys1_pll_160m", + "sys1_pll_800m", "sys3_pll2_out", "sys2_pll_250m", "audio_pll2_out", }; + +static const char *imx8mq_pwm1_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_160m", "sys1_pll_40m", + "sys3_pll2_out", "clk_ext1", "sys1_pll_80m", "video_pll1_out", }; + +static const char *imx8mq_pwm2_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_160m", "sys1_pll_40m", + "sys3_pll2_out", "clk_ext1", "sys1_pll_80m", "video_pll1_out", }; + +static const char *imx8mq_pwm3_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_160m", "sys1_pll_40m", + "sys3_pll2_out", "clk_ext2", "sys1_pll_80m", "video_pll1_out", }; + +static const char *imx8mq_pwm4_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_160m", "sys1_pll_40m", + "sys3_pll2_out", "clk_ext2", "sys1_pll_80m", "video_pll1_out", }; + +static const char *imx8mq_gpt1_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_400m", "sys1_pll_40m", + "sys1_pll_80m", "audio_pll1_out", "clk_ext1", }; + +static const char *imx8mq_wdog_sels[] = {"osc_25m", "sys1_pll_133m", "sys1_pll_160m", "vpu_pll_out", + "sys2_pll_125m", "sys3_pll2_out", "sys1_pll_80m", "sys2_pll_166m", }; + +static const char *imx8mq_wrclk_sels[] = {"osc_25m", "sys1_pll_40m", "vpu_pll_out", "sys3_pll2_out", "sys2_pll_200m", + "sys1_pll_266m", "sys2_pll_500m", "sys1_pll_100m", }; + +static const char *imx8mq_dsi_core_sels[] = {"osc_25m", "sys1_pll_266m", "sys2_pll_250m", "sys1_pll_800m", + "sys2_pll_1000m", "sys3_pll2_out", "audio_pll2_out", "video_pll1_out", }; + +static const char *imx8mq_dsi_phy_sels[] = {"osc_25m", "sys2_pll_125m", "sys2_pll_100m", "sys1_pll_800m", + "sys2_pll_1000m", "clk_ext2", "audio_pll2_out", "video_pll1_out", }; + +static const char *imx8mq_dsi_dbi_sels[] = {"osc_25m", "sys1_pll_266m", "sys2_pll_100m", "sys1_pll_800m", + "sys2_pll_1000m", "sys3_pll2_out", "audio_pll2_out", "video_pll1_out", }; + +static const char *imx8mq_dsi_esc_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_800m", + "sys2_pll_1000m", "sys3_pll2_out", "clk_ext3", "audio_pll2_out", }; + +static const char *imx8mq_csi1_core_sels[] = {"osc_25m", "sys1_pll_266m", "sys2_pll_250m", "sys1_pll_800m", + "sys2_pll_1000m", "sys3_pll2_out", "audio_pll2_out", "video_pll1_out", }; + +static const char *imx8mq_csi1_phy_sels[] = {"osc_25m", "sys2_pll_125m", "sys2_pll_100m", "sys1_pll_800m", + "sys2_pll_1000m", "clk_ext2", "audio_pll2_out", "video_pll1_out", }; + +static const char *imx8mq_csi1_esc_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_800m", + "sys2_pll_1000m", "sys3_pll2_out", "clk_ext3", "audio_pll2_out", }; + +static const char *imx8mq_csi2_core_sels[] = {"osc_25m", "sys1_pll_266m", "sys2_pll_250m", "sys1_pll_800m", + "sys2_pll_1000m", "sys3_pll2_out", "audio_pll2_out", "video_pll1_out", }; + +static const char *imx8mq_csi2_phy_sels[] = {"osc_25m", "sys2_pll_125m", "sys2_pll_100m", "sys1_pll_800m", + "sys2_pll_1000m", "clk_ext2", "audio_pll2_out", "video_pll1_out", }; + +static const char *imx8mq_csi2_esc_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_800m", + "sys2_pll_1000m", "sys3_pll2_out", "clk_ext3", "audio_pll2_out", }; + +static const char *imx8mq_pcie2_ctrl_sels[] = {"osc_25m", "sys2_pll_250m", "sys2_pll_200m", "sys1_pll_266m", + "sys1_pll_800m", "sys2_pll_500m", "sys2_pll_333m", "sys3_pll2_out", }; + +static const char *imx8mq_pcie2_phy_sels[] = {"osc_25m", "sys2_pll_100m", "sys2_pll_500m", "clk_ext1", + "clk_ext2", "clk_ext3", "clk_ext4", "sys1_pll_400m", }; + +static const char *imx8mq_pcie2_aux_sels[] = {"osc_25m", "sys2_pll_200m", "sys2_pll_50m", "sys3_pll2_out", + "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_160m", "sys1_pll_200m", }; + +static const char *imx8mq_ecspi3_sels[] = {"osc_25m", "sys2_pll_200m", "sys1_pll_40m", "sys1_pll_160m", + "sys1_pll_800m", "sys3_pll2_out", "sys2_pll_250m", "audio_pll2_out", }; +static const char *imx8mq_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", }; + +static const char *imx8mq_clko2_sels[] = {"osc_25m", "sys2_pll_200m", "sys1_pll_400m", "sys2_pll_166m", "audio_pll1_out", + "video_pll1_out", "ckil", }; + +static int const clks_init_on[] __initconst = { + IMX8MQ_CLK_DRAM_CORE, IMX8MQ_CLK_AHB_CG, + IMX8MQ_CLK_NOC, IMX8MQ_CLK_NOC_APB, + IMX8MQ_CLK_USB_BUS, IMX8MQ_CLK_NAND_USDHC_BUS, + IMX8MQ_CLK_MAIN_AXI, IMX8MQ_CLK_A53_CG, + IMX8MQ_CLK_AUDIO_AHB_DIV, IMX8MQ_CLK_TMU_ROOT, + IMX8MQ_CLK_DRAM_APB, +}; + +static struct clk_onecell_data clk_data; + +static void __init imx8mq_clocks_init(struct device_node *ccm_node) +{ + struct device_node *np; + void __iomem *base; + int i; + + clks[IMX8MQ_CLK_DUMMY] = imx_clk_fixed("dummy", 0); + clks[IMX8MQ_CLK_32K] = of_clk_get_by_name(ccm_node, "ckil"); + clks[IMX8MQ_CLK_25M] = of_clk_get_by_name(ccm_node, "osc_25m"); + clks[IMX8MQ_CLK_27M] = of_clk_get_by_name(ccm_node, "osc_27m"); + clks[IMX8MQ_CLK_EXT1] = of_clk_get_by_name(ccm_node, "clk_ext1"); + clks[IMX8MQ_CLK_EXT2] = of_clk_get_by_name(ccm_node, "clk_ext2"); + clks[IMX8MQ_CLK_EXT3] = of_clk_get_by_name(ccm_node, "clk_ext3"); + clks[IMX8MQ_CLK_EXT4] = of_clk_get_by_name(ccm_node, "clk_ext4"); + + np = of_find_compatible_node(NULL, NULL, "fsl,imx8mq-anatop"); + base = of_iomap(np, 0); + WARN_ON(!base); + + clks[IMX8MQ_ARM_PLL_REF_SEL] = imx_clk_mux("arm_pll_ref_sel", base + 0x28, 16, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_GPU_PLL_REF_SEL] = imx_clk_mux("gpu_pll_ref_sel", base + 0x18, 16, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_VPU_PLL_REF_SEL] = imx_clk_mux("vpu_pll_ref_sel", base + 0x20, 16, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_AUDIO_PLL1_REF_SEL] = imx_clk_mux("audio_pll1_ref_sel", base + 0x0, 16, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_AUDIO_PLL2_REF_SEL] = imx_clk_mux("audio_pll2_ref_sel", base + 0x8, 16, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_VIDEO_PLL1_REF_SEL] = imx_clk_mux("video_pll1_ref_sel", base + 0x10, 16, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_SYS1_PLL1_REF_SEL] = imx_clk_mux("sys1_pll1_ref_sel", base + 0x30, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_SYS2_PLL1_REF_SEL] = imx_clk_mux("sys2_pll1_ref_sel", base + 0x3c, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_SYS3_PLL1_REF_SEL] = imx_clk_mux("sys3_pll1_ref_sel", base + 0x48, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_DRAM_PLL1_REF_SEL] = imx_clk_mux("dram_pll1_ref_sel", base + 0x60, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + clks[IMX8MQ_VIDEO2_PLL1_REF_SEL] = imx_clk_mux("video2_pll1_ref_sel", base + 0x54, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + + clks[IMX8MQ_ARM_PLL_REF_DIV] = imx_clk_divider("arm_pll_ref_div", "arm_pll_ref_sel", base + 0x28, 5, 6); + clks[IMX8MQ_GPU_PLL_REF_DIV] = imx_clk_divider("gpu_pll_ref_div", "gpu_pll_ref_sel", base + 0x18, 5, 6); + clks[IMX8MQ_VPU_PLL_REF_DIV] = imx_clk_divider("vpu_pll_ref_div", "vpu_pll_ref_sel", base + 0x20, 5, 6); + clks[IMX8MQ_AUDIO_PLL1_REF_DIV] = imx_clk_divider("audio_pll1_ref_div", "audio_pll1_ref_sel", base + 0x0, 5, 6); + clks[IMX8MQ_AUDIO_PLL2_REF_DIV] = imx_clk_divider("audio_pll2_ref_div", "audio_pll2_ref_sel", base + 0x8, 5, 6); + clks[IMX8MQ_VIDEO_PLL1_REF_DIV] = imx_clk_divider("video_pll1_ref_div", "video_pll1_ref_sel", base + 0x10, 5, 6); + clks[IMX8MQ_SYS1_PLL1_REF_DIV] = imx_clk_divider("sys1_pll1_ref_div", "sys1_pll1_ref_sel", base + 0x38, 25, 3); + clks[IMX8MQ_SYS2_PLL1_REF_DIV] = imx_clk_divider("sys2_pll1_ref_div", "sys2_pll1_ref_sel", base + 0x44, 25, 3); + clks[IMX8MQ_SYS3_PLL1_REF_DIV] = imx_clk_divider("sys3_pll1_ref_div", "sys3_pll1_ref_sel", base + 0x50, 25, 3); + clks[IMX8MQ_DRAM_PLL1_REF_DIV] = imx_clk_divider("dram_pll1_ref_div", "dram_pll1_ref_sel", base + 0x68, 25, 3); + clks[IMX8MQ_VIDEO2_PLL1_REF_DIV] = imx_clk_divider("video2_pll1_ref_div", "video2_pll1_ref_sel", base + 0x5c, 25, 3); + + clks[IMX8MQ_ARM_PLL] = imx_clk_frac_pll("arm_pll", "arm_pll_ref_div", base + 0x28); + clks[IMX8MQ_GPU_PLL] = imx_clk_frac_pll("gpu_pll", "gpu_pll_ref_div", base + 0x18); + clks[IMX8MQ_VPU_PLL] = imx_clk_frac_pll("vpu_pll", "vpu_pll_ref_div", base + 0x20); + clks[IMX8MQ_AUDIO_PLL1] = imx_clk_frac_pll("audio_pll1", "audio_pll1_ref_div", base + 0x0); + clks[IMX8MQ_AUDIO_PLL2] = imx_clk_frac_pll("audio_pll2", "audio_pll2_ref_div", base + 0x8); + clks[IMX8MQ_VIDEO_PLL1] = imx_clk_frac_pll("video_pll1", "video_pll1_ref_div", base + 0x10); + clks[IMX8MQ_SYS1_PLL1] = imx_clk_sccg_pll("sys1_pll1", "sys1_pll1_ref_div", base + 0x30, SCCG_PLL1); + clks[IMX8MQ_SYS2_PLL1] = imx_clk_sccg_pll("sys2_pll1", "sys2_pll1_ref_div", base + 0x3c, SCCG_PLL1); + clks[IMX8MQ_SYS3_PLL1] = imx_clk_sccg_pll("sys3_pll1", "sys3_pll1_ref_div", base + 0x48, SCCG_PLL1); + clks[IMX8MQ_DRAM_PLL1] = imx_clk_sccg_pll("dram_pll1", "dram_pll1_ref_div", base + 0x60, SCCG_PLL1); + clks[IMX8MQ_VIDEO2_PLL1] = imx_clk_sccg_pll("video2_pll1", "video2_pll1_ref_div", base + 0x5c, 3);
This is a bug which will result in a crash once IMX8MQ_VIDEO2_PLL1 is exercised (I know that from having to debug this issue when using this code in Barebox). Last argument should be SCCG_PLL1. Thanks, Andrey Smirnov