imx: reorganize IMX code as other SOCs

Change is consistent with other SOCs and it is in preparation
for adding SOMs. SOC's related files are moved from cpu/ to
mach-imx/<SOC>.

This change is also coherent with the structure in kernel.

Signed-off-by: Stefano Babic <sbabic@denx.de>

CC: Fabio Estevam <fabio.estevam@nxp.com>
CC: Akshay Bhat <akshaybhat@timesys.com>
CC: Ken Lin <Ken.Lin@advantech.com.tw>
CC: Marek Vasut <marek.vasut@gmail.com>
CC: Heiko Schocher <hs@denx.de>
CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com>
CC: Christian Gmeiner <christian.gmeiner@gmail.com>
CC: Stefan Roese <sr@denx.de>
CC: Patrick Bruenn <p.bruenn@beckhoff.com>
CC: Troy Kisky <troy.kisky@boundarydevices.com>
CC: Nikita Kiryanov <nikita@compulab.co.il>
CC: Otavio Salvador <otavio@ossystems.com.br>
CC: "Eric Bénard" <eric@eukrea.com>
CC: Jagan Teki <jagan@amarulasolutions.com>
CC: Ye Li <ye.li@nxp.com>
CC: Peng Fan <peng.fan@nxp.com>
CC: Adrian Alonso <adrian.alonso@nxp.com>
CC: Alison Wang <b18965@freescale.com>
CC: Tim Harvey <tharvey@gateworks.com>
CC: Martin Donnelly <martin.donnelly@ge.com>
CC: Marcin Niestroj <m.niestroj@grinn-global.com>
CC: Lukasz Majewski <lukma@denx.de>
CC: Adam Ford <aford173@gmail.com>
CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr>
CC: Boris Brezillon <boris.brezillon@free-electrons.com>
CC: Soeren Moch <smoch@web.de>
CC: Richard Hu <richard.hu@technexion.com>
CC: Wig Cheng <wig.cheng@technexion.com>
CC: Vanessa Maegima <vanessa.maegima@nxp.com>
CC: Max Krummenacher <max.krummenacher@toradex.com>
CC: Stefan Agner <stefan.agner@toradex.com>
CC: Markus Niebel <Markus.Niebel@tq-group.com>
CC: Breno Lima <breno.lima@nxp.com>
CC: Francesco Montefoschi <francesco.montefoschi@udoo.org>
CC: Jaehoon Chung <jh80.chung@samsung.com>
CC: Scott Wood <oss@buserror.net>
CC: Joe Hershberger <joe.hershberger@ni.com>
CC: Anatolij Gustschin <agust@denx.de>
CC: Simon Glass <sjg@chromium.org>
CC: "Andrew F. Davis" <afd@ti.com>
CC: "Łukasz Majewski" <l.majewski@samsung.com>
CC: Patrice Chotard <patrice.chotard@st.com>
CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
CC: Hans de Goede <hdegoede@redhat.com>
CC: Masahiro Yamada <yamada.masahiro@socionext.com>
CC: Stephen Warren <swarren@nvidia.com>
CC: Andre Przywara <andre.przywara@arm.com>
CC: "Álvaro Fernández Rojas" <noltari@gmail.com>
CC: York Sun <york.sun@nxp.com>
CC: Xiaoliang Yang <xiaoliang.yang@nxp.com>
CC: Chen-Yu Tsai <wens@csie.org>
CC: George McCollister <george.mccollister@gmail.com>
CC: Sven Ebenfeld <sven.ebenfeld@gmail.com>
CC: Filip Brozovic <fbrozovic@gmail.com>
CC: Petr Kulhavy <brain@jikos.cz>
CC: Eric Nelson <eric@nelint.com>
CC: Bai Ping <ping.bai@nxp.com>
CC: Anson Huang <Anson.Huang@nxp.com>
CC: Sanchayan Maity <maitysanchayan@gmail.com>
CC: Lokesh Vutla <lokeshvutla@ti.com>
CC: Patrick Delaunay <patrick.delaunay@st.com>
CC: Gary Bisson <gary.bisson@boundarydevices.com>
CC: Alexander Graf <agraf@suse.de>
CC: u-boot@lists.denx.de
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>

1 files changed, 757 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/mx7/clock_slice.c b/arch/arm/mach-imx/mx7/clock_slice.c
new file mode 100644
index 0000000000..68a7005b2e
--- /dev/null
+++ b/arch/arm/mach-imx/mx7/clock_slice.c
@@ -0,0 +1,757 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * Author:
+ *	Peng Fan <Peng.Fan@freescale.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <div64.h>
+#include <asm/io.h>
+#include <linux/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+
+struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+static struct clk_root_map root_array[] = {
+	{ARM_A7_CLK_ROOT, CCM_CORE_CHANNEL,
+	 {OSC_24M_CLK, PLL_ARM_MAIN_800M_CLK, PLL_ENET_MAIN_500M_CLK,
+	  PLL_DRAM_MAIN_1066M_CLK, PLL_SYS_MAIN_480M_CLK,
+	  PLL_SYS_PFD0_392M_CLK, PLL_AUDIO_MAIN_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{ARM_M4_CLK_ROOT, CCM_BUS_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_250M_CLK,
+	  PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{ARM_M0_CLK_ROOT, CCM_BUS_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_125M_CLK,
+	  PLL_SYS_PFD2_135M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{MAIN_AXI_CLK_ROOT, CCM_BUS_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD1_332M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_ENET_MAIN_250M_CLK, PLL_SYS_PFD5_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD7_CLK}
+	},
+	{DISP_AXI_CLK_ROOT, CCM_BUS_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD1_332M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_ENET_MAIN_250M_CLK, PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK,
+	  PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{ENET_AXI_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_ENET_MAIN_250M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK}
+	},
+	{NAND_USDHC_BUS_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_SYS_MAIN_240M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_PFD6_CLK,
+	  PLL_ENET_MAIN_250M_CLK, PLL_AUDIO_MAIN_CLK}
+	},
+	{AHB_CLK_ROOT, CCM_AHB_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_SYS_PFD0_392M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_USB_MAIN_480M_CLK,
+	  PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{DRAM_PHYM_CLK_ROOT, CCM_DRAM_PHYM_CHANNEL,
+	 {PLL_DRAM_MAIN_1066M_CLK, DRAM_PHYM_ALT_CLK_ROOT}
+	},
+	{DRAM_CLK_ROOT, CCM_DRAM_CHANNEL,
+	 {PLL_DRAM_MAIN_1066M_CLK, DRAM_ALT_CLK_ROOT}
+	},
+	{DRAM_PHYM_ALT_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_SYS_MAIN_480M_CLK,
+	  PLL_ENET_MAIN_500M_CLK, PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD7_CLK,
+	  PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{DRAM_ALT_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_SYS_MAIN_480M_CLK,
+	  PLL_ENET_MAIN_500M_CLK, PLL_ENET_MAIN_250M_CLK,
+	  PLL_SYS_PFD0_392M_CLK, PLL_AUDIO_MAIN_CLK, PLL_SYS_PFD2_270M_CLK}
+	},
+	{USB_HSIC_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_USB_MAIN_480M_CLK,
+	  PLL_SYS_PFD3_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD5_CLK,
+	  PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK}
+	},
+	{PCIE_CTRL_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_250M_CLK, PLL_SYS_MAIN_240M_CLK,
+	  PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD1_332M_CLK, PLL_SYS_PFD6_CLK}
+	},
+	{PCIE_PHY_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_ENET_MAIN_500M_CLK,
+	  EXT_CLK_1, EXT_CLK_2, EXT_CLK_3,
+	  EXT_CLK_4, PLL_SYS_PFD0_392M_CLK}
+	},
+	{EPDC_PIXEL_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD1_332M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD5_CLK, PLL_SYS_PFD6_CLK,
+	  PLL_SYS_PFD7_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{LCDIF_PIXEL_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD5_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  EXT_CLK_3, PLL_SYS_PFD4_CLK, PLL_SYS_PFD2_270M_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{MIPI_DSI_EXTSER_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD5_CLK, PLL_SYS_PFD3_CLK,
+	  PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD0_196M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_AUDIO_MAIN_CLK}
+	},
+	{MIPI_CSI_WARP_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD3_CLK,
+	  PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD0_196M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_AUDIO_MAIN_CLK}
+	},
+	{MIPI_DPHY_REF_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_SYS_PFD5_CLK, REF_1M_CLK, EXT_CLK_2,
+	  PLL_VIDEO_MAIN_CLK, EXT_CLK_3}
+	},
+	{SAI1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK,
+	  PLL_ENET_MAIN_125M_CLK, EXT_CLK_2}
+	},
+	{SAI2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK,
+	  PLL_ENET_MAIN_125M_CLK, EXT_CLK_2}
+	},
+	{SAI3_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK,
+	  PLL_ENET_MAIN_125M_CLK, EXT_CLK_3}
+	},
+	{SPDIF_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK,
+	  PLL_ENET_MAIN_125M_CLK, EXT_CLK_3}
+	},
+	{ENET1_REF_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_ENET_MAIN_50M_CLK,
+	  PLL_ENET_MAIN_25M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, EXT_CLK_4}
+	},
+	{ENET1_TIME_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_AUDIO_MAIN_CLK,
+	  EXT_CLK_1, EXT_CLK_2, EXT_CLK_3,
+	  EXT_CLK_4, PLL_VIDEO_MAIN_CLK}
+	},
+	{ENET2_REF_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_ENET_MAIN_50M_CLK,
+	  PLL_ENET_MAIN_25M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, EXT_CLK_4}
+	},
+	{ENET2_TIME_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_AUDIO_MAIN_CLK,
+	  EXT_CLK_1, EXT_CLK_2, EXT_CLK_3,
+	  EXT_CLK_4, PLL_VIDEO_MAIN_CLK}
+	},
+	{ENET_PHY_REF_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_25M_CLK, PLL_ENET_MAIN_50M_CLK,
+	  PLL_ENET_MAIN_125M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD3_CLK}
+	},
+	{EIM_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_SYS_PFD3_CLK,
+	  PLL_ENET_MAIN_125M_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{NAND_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_SYS_PFD0_392M_CLK, PLL_SYS_PFD3_CLK, PLL_ENET_MAIN_500M_CLK,
+	  PLL_ENET_MAIN_250M_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{QSPI_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD4_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD3_CLK, PLL_SYS_PFD2_270M_CLK,
+	  PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK}
+	},
+	{USDHC1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD0_392M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD2_270M_CLK,
+	  PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK}
+	},
+	{USDHC2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD0_392M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD2_270M_CLK,
+	  PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK}
+	},
+	{USDHC3_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD0_392M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD2_270M_CLK,
+	  PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK}
+	},
+	{CAN1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_SYS_MAIN_480M_CLK, PLL_ENET_MAIN_40M_CLK, PLL_USB_MAIN_480M_CLK,
+	  EXT_CLK_1, EXT_CLK_4}
+	},
+	{CAN2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_SYS_MAIN_480M_CLK, PLL_ENET_MAIN_40M_CLK, PLL_USB_MAIN_480M_CLK,
+	  EXT_CLK_1, EXT_CLK_3}
+	},
+	{I2C1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_50M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK,
+	  PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD2_135M_CLK}
+	},
+	{I2C2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_50M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK,
+	  PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD2_135M_CLK}
+	},
+	{I2C3_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_50M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK,
+	  PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD2_135M_CLK}
+	},
+	{I2C4_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_50M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK,
+	  PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD2_135M_CLK}
+	},
+	{UART1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2,
+	  EXT_CLK_4, PLL_USB_MAIN_480M_CLK}
+	},
+	{UART2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2,
+	  EXT_CLK_3, PLL_USB_MAIN_480M_CLK}
+	},
+	{UART3_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2,
+	  EXT_CLK_4, PLL_USB_MAIN_480M_CLK}
+	},
+	{UART4_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2,
+	  EXT_CLK_3, PLL_USB_MAIN_480M_CLK}
+	},
+	{UART5_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2,
+	  EXT_CLK_4, PLL_USB_MAIN_480M_CLK}
+	},
+	{UART6_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2,
+	  EXT_CLK_3, PLL_USB_MAIN_480M_CLK}
+	},
+	{UART7_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2,
+	  EXT_CLK_4, PLL_USB_MAIN_480M_CLK}
+	},
+	{ECSPI1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_SYS_MAIN_120M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD4_CLK,
+	  PLL_ENET_MAIN_250M_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{ECSPI2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_SYS_MAIN_120M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD4_CLK,
+	  PLL_ENET_MAIN_250M_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{ECSPI3_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_SYS_MAIN_120M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD4_CLK,
+	  PLL_ENET_MAIN_250M_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{ECSPI4_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK,
+	  PLL_SYS_MAIN_120M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD4_CLK,
+	  PLL_ENET_MAIN_250M_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{PWM1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_1,
+	  REF_1M_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{PWM2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_1,
+	  REF_1M_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{PWM3_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_2,
+	  REF_1M_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{PWM4_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_2,
+	  REF_1M_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{FLEXTIMER1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_3,
+	  REF_1M_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{FLEXTIMER2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_3,
+	  REF_1M_CLK, PLL_VIDEO_MAIN_CLK}
+	},
+	{SIM1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_USB_MAIN_480M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_ENET_MAIN_125M_CLK, PLL_SYS_PFD7_CLK}
+	},
+	{SIM2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_USB_MAIN_480M_CLK, PLL_VIDEO_MAIN_CLK,
+	  PLL_ENET_MAIN_125M_CLK, PLL_SYS_PFD7_CLK}
+	},
+	{GPT1_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_PFD0_392M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_VIDEO_MAIN_CLK, REF_1M_CLK,
+	  PLL_AUDIO_MAIN_CLK, EXT_CLK_1}
+	},
+	{GPT2_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_PFD0_392M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_VIDEO_MAIN_CLK, REF_1M_CLK,
+	  PLL_AUDIO_MAIN_CLK, EXT_CLK_2}
+	},
+	{GPT3_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_PFD0_392M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_VIDEO_MAIN_CLK, REF_1M_CLK,
+	  PLL_AUDIO_MAIN_CLK, EXT_CLK_3}
+	},
+	{GPT4_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_PFD0_392M_CLK,
+	  PLL_ENET_MAIN_40M_CLK, PLL_VIDEO_MAIN_CLK, REF_1M_CLK,
+	  PLL_AUDIO_MAIN_CLK, EXT_CLK_4}
+	},
+	{TRACE_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_USB_MAIN_480M_CLK,
+	  EXT_CLK_1, EXT_CLK_3}
+	},
+	{WDOG_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_USB_MAIN_480M_CLK,
+	  REF_1M_CLK, PLL_SYS_PFD1_166M_CLK}
+	},
+	{CSI_MCLK_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{AUDIO_MCLK_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK}
+	},
+	{WRCLK_CLK_ROOT, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_ENET_MAIN_40M_CLK, PLL_DRAM_MAIN_533M_CLK,
+	  PLL_USB_MAIN_480M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_SYS_PFD2_270M_CLK,
+	  PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD7_CLK}
+	},
+	{IPP_DO_CLKO1, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_MAIN_240M_CLK,
+	  PLL_SYS_PFD0_196M_CLK, PLL_SYS_PFD3_CLK, PLL_ENET_MAIN_500M_CLK,
+	  PLL_DRAM_MAIN_533M_CLK, REF_1M_CLK}
+	},
+	{IPP_DO_CLKO2, CCM_IP_CHANNEL,
+	 {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_SYS_PFD0_392M_CLK,
+	  PLL_SYS_PFD1_166M_CLK, PLL_SYS_PFD4_CLK, PLL_AUDIO_MAIN_CLK,
+	  PLL_VIDEO_MAIN_CLK, OSC_32K_CLK}
+	},
+};
+
+/* select which entry of root_array */
+static int select(enum clk_root_index clock_id)
+{
+	int i, size;
+	struct clk_root_map *p = root_array;
+
+	size = ARRAY_SIZE(root_array);
+
+	for (i = 0; i < size; i++, p++) {
+		if (clock_id == p->entry)
+			return i;
+	}
+
+	return -EINVAL;
+}
+
+static int src_supported(int entry, enum clk_root_src clock_src)
+{
+	int i, size;
+	struct clk_root_map *p = &root_array[entry];
+
+	if ((p->type == CCM_DRAM_PHYM_CHANNEL) || (p->type == CCM_DRAM_CHANNEL))
+		size = 2;
+	else
+		size = 8;
+
+	for (i = 0; i < size; i++) {
+		if (p->src_mux[i] == clock_src)
+			return i;
+	}
+
+	return -EINVAL;
+}
+
+/* Set src for clock root slice. */
+int clock_set_src(enum clk_root_index clock_id, enum clk_root_src clock_src)
+{
+	int root_entry, src_entry;
+	u32 reg;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	root_entry = select(clock_id);
+	if (root_entry < 0)
+		return -EINVAL;
+
+	src_entry = src_supported(root_entry, clock_src);
+	if (src_entry < 0)
+		return -EINVAL;
+
+	reg = __raw_readl(&imx_ccm->root[clock_id].target_root);
+	reg &= ~CLK_ROOT_MUX_MASK;
+	reg |= src_entry << CLK_ROOT_MUX_SHIFT;
+	__raw_writel(reg, &imx_ccm->root[clock_id].target_root);
+
+	return 0;
+}
+
+/* Get src of a clock root slice. */
+int clock_get_src(enum clk_root_index clock_id, enum clk_root_src *p_clock_src)
+{
+	u32 val;
+	int root_entry;
+	struct clk_root_map *p;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	val = __raw_readl(&imx_ccm->root[clock_id].target_root);
+	val &= CLK_ROOT_MUX_MASK;
+	val >>= CLK_ROOT_MUX_SHIFT;
+
+	root_entry = select(clock_id);
+	if (root_entry < 0)
+		return -EINVAL;
+
+	p = &root_array[root_entry];
+	*p_clock_src = p->src_mux[val];
+
+	return 0;
+}
+
+int clock_set_prediv(enum clk_root_index clock_id, enum root_pre_div pre_div)
+{
+	int root_entry;
+	struct clk_root_map *p;
+	u32 reg;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	root_entry = select(clock_id);
+	if (root_entry < 0)
+		return -EINVAL;
+
+	p = &root_array[root_entry];
+
+	if ((p->type == CCM_CORE_CHANNEL) ||
+	    (p->type == CCM_DRAM_PHYM_CHANNEL) ||
+	    (p->type == CCM_DRAM_CHANNEL)) {
+		if (pre_div != CLK_ROOT_PRE_DIV1) {
+			printf("Error pre div!\n");
+			return -EINVAL;
+		}
+	}
+
+	reg = __raw_readl(&imx_ccm->root[clock_id].target_root);
+	reg &= ~CLK_ROOT_PRE_DIV_MASK;
+	reg |= pre_div << CLK_ROOT_PRE_DIV_SHIFT;
+	__raw_writel(reg, &imx_ccm->root[clock_id].target_root);
+
+	return 0;
+}
+
+int clock_get_prediv(enum clk_root_index clock_id, enum root_pre_div *pre_div)
+{
+	u32 val;
+	int root_entry;
+	struct clk_root_map *p;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	root_entry = select(clock_id);
+	if (root_entry < 0)
+		return -EINVAL;
+
+	p = &root_array[root_entry];
+
+	if ((p->type == CCM_CORE_CHANNEL) ||
+	    (p->type == CCM_DRAM_PHYM_CHANNEL) ||
+	    (p->type == CCM_DRAM_CHANNEL)) {
+		*pre_div = 0;
+		return 0;
+	}
+
+	val = __raw_readl(&imx_ccm->root[clock_id].target_root);
+	val &= CLK_ROOT_PRE_DIV_MASK;
+	val >>= CLK_ROOT_PRE_DIV_SHIFT;
+
+	*pre_div = val;
+
+	return 0;
+}
+
+int clock_set_postdiv(enum clk_root_index clock_id, enum root_post_div div)
+{
+	u32 reg;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	if (clock_id == DRAM_PHYM_CLK_ROOT) {
+		if (div != CLK_ROOT_POST_DIV1) {
+			printf("Error post div!\n");
+			return -EINVAL;
+		}
+	}
+
+	/* Only 3 bit post div. */
+	if ((clock_id == DRAM_CLK_ROOT) && (div > CLK_ROOT_POST_DIV7)) {
+		printf("Error post div!\n");
+		return -EINVAL;
+	}
+
+	reg = __raw_readl(&imx_ccm->root[clock_id].target_root);
+	reg &= ~CLK_ROOT_POST_DIV_MASK;
+	reg |= div << CLK_ROOT_POST_DIV_SHIFT;
+	__raw_writel(reg, &imx_ccm->root[clock_id].target_root);
+
+	return 0;
+}
+
+int clock_get_postdiv(enum clk_root_index clock_id, enum root_post_div *div)
+{
+	u32 val;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	if (clock_id == DRAM_PHYM_CLK_ROOT) {
+		*div = 0;
+		return 0;
+	}
+
+	val = __raw_readl(&imx_ccm->root[clock_id].target_root);
+	if (clock_id == DRAM_CLK_ROOT)
+		val &= DRAM_CLK_ROOT_POST_DIV_MASK;
+	else
+		val &= CLK_ROOT_POST_DIV_MASK;
+	val >>= CLK_ROOT_POST_DIV_SHIFT;
+
+	*div = val;
+
+	return 0;
+}
+
+int clock_set_autopostdiv(enum clk_root_index clock_id, enum root_auto_div div,
+			  int auto_en)
+{
+	u32 val;
+	int root_entry;
+	struct clk_root_map *p;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	root_entry = select(clock_id);
+	if (root_entry < 0)
+		return -EINVAL;
+
+	p = &root_array[root_entry];
+
+	if ((p->type != CCM_BUS_CHANNEL) && (p->type != CCM_AHB_CHANNEL)) {
+		printf("Auto postdiv not supported.!\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * Each time only one filed can be changed, no use target_root_set.
+	 */
+	val = __raw_readl(&imx_ccm->root[clock_id].target_root);
+	val &= ~CLK_ROOT_AUTO_DIV_MASK;
+	val |= (div << CLK_ROOT_AUTO_DIV_SHIFT);
+
+	if (auto_en)
+		val |= CLK_ROOT_AUTO_EN;
+	else
+		val &= ~CLK_ROOT_AUTO_EN;
+
+	__raw_writel(val, &imx_ccm->root[clock_id].target_root);
+
+	return 0;
+}
+
+int clock_get_autopostdiv(enum clk_root_index clock_id, enum root_auto_div *div,
+			  int *auto_en)
+{
+	u32 val;
+	int root_entry;
+	struct clk_root_map *p;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	root_entry = select(clock_id);
+	if (root_entry < 0)
+		return -EINVAL;
+
+	p = &root_array[root_entry];
+
+	/*
+	 * Only bus/ahb channel supports auto div.
+	 * If unsupported, just set auto_en and div with 0.
+	 */
+	if ((p->type != CCM_BUS_CHANNEL) && (p->type != CCM_AHB_CHANNEL)) {
+		*auto_en = 0;
+		*div = 0;
+		return 0;
+	}
+
+	val = __raw_readl(&imx_ccm->root[clock_id].target_root);
+	if ((val & CLK_ROOT_AUTO_EN_MASK) == 0)
+		*auto_en = 0;
+	else
+		*auto_en = 1;
+
+	val &= CLK_ROOT_AUTO_DIV_MASK;
+	val >>= CLK_ROOT_AUTO_DIV_SHIFT;
+
+	*div = val;
+
+	return 0;
+}
+
+int clock_get_target_val(enum clk_root_index clock_id, u32 *val)
+{
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	*val = __raw_readl(&imx_ccm->root[clock_id].target_root);
+
+	return 0;
+}
+
+int clock_set_target_val(enum clk_root_index clock_id, u32 val)
+{
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	__raw_writel(val, &imx_ccm->root[clock_id].target_root);
+
+	return 0;
+}
+
+/* Auto_div and auto_en is ignored, they are rarely used. */
+int clock_root_cfg(enum clk_root_index clock_id, enum root_pre_div pre_div,
+		   enum root_post_div post_div, enum clk_root_src clock_src)
+{
+	u32 val;
+	int root_entry, src_entry;
+	struct clk_root_map *p;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	root_entry = select(clock_id);
+	if (root_entry < 0)
+		return -EINVAL;
+
+	p = &root_array[root_entry];
+
+	if ((p->type == CCM_CORE_CHANNEL) ||
+	    (p->type == CCM_DRAM_PHYM_CHANNEL) ||
+	    (p->type == CCM_DRAM_CHANNEL)) {
+		if (pre_div != CLK_ROOT_PRE_DIV1) {
+			printf("Error pre div!\n");
+			return -EINVAL;
+		}
+	}
+
+	/* Only 3 bit post div. */
+	if (p->type == CCM_DRAM_CHANNEL) {
+		if (post_div > CLK_ROOT_POST_DIV7) {
+			printf("Error post div!\n");
+			return -EINVAL;
+		}
+	}
+
+	if (p->type == CCM_DRAM_PHYM_CHANNEL) {
+		if (post_div != CLK_ROOT_POST_DIV1) {
+			printf("Error post div!\n");
+			return -EINVAL;
+		}
+	}
+
+	src_entry = src_supported(root_entry, clock_src);
+	if (src_entry < 0)
+		return -EINVAL;
+
+	val = CLK_ROOT_ON | pre_div << CLK_ROOT_PRE_DIV_SHIFT |
+	      post_div << CLK_ROOT_POST_DIV_SHIFT |
+	      src_entry << CLK_ROOT_MUX_SHIFT;
+
+	__raw_writel(val, &imx_ccm->root[clock_id].target_root);
+
+	return 0;
+}
+
+int clock_root_enabled(enum clk_root_index clock_id)
+{
+	u32 val;
+
+	if (clock_id >= CLK_ROOT_MAX)
+		return -EINVAL;
+
+	/*
+	 * No enable bit for DRAM controller and PHY. Just return enabled.
+	 */
+	if ((clock_id == DRAM_PHYM_CLK_ROOT) || (clock_id == DRAM_CLK_ROOT))
+		return 1;
+
+	val = __raw_readl(&imx_ccm->root[clock_id].target_root);
+
+	return (val & CLK_ROOT_ENABLE_MASK) ? 1 : 0;
+}
+
+/* CCGR gate operation */
+int clock_enable(enum clk_ccgr_index index, bool enable)
+{
+	if (index >= CCGR_MAX)
+		return -EINVAL;
+
+	if (enable)
+		__raw_writel(CCM_CLK_ON_MSK,
+			     &imx_ccm->ccgr_array[index].ccgr_set);
+	else
+		__raw_writel(CCM_CLK_ON_MSK,
+			     &imx_ccm->ccgr_array[index].ccgr_clr);
+
+	return 0;
+}