943bb48755
This reverts commit 92063cee11, it
was applied prematurely, causing this build error for
imx_v4_v5_defconfig:
arch/arm/mach-imx/clk-imx25.c: In function 'mx25_clocks_init':
arch/arm/mach-imx/clk-imx25.c:206:26: error: 'pwm_ipg_per' undeclared (first use in this function)
arch/arm/mach-imx/clk-imx25.c:206:26: note: each undeclared identifier is reported only once for each function it appears in
Sascha Hauer explains:
> There are several gates missing in clk-imx25.c. I have a patch which
> adds support for them and I seem to have missed that the above depends
> on it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
247 lines
13 KiB
C
247 lines
13 KiB
C
/*
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* Copyright (C) 2009 by Sascha Hauer, Pengutronix
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/list.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/clkdev.h>
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#include <linux/err.h>
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#include <mach/hardware.h>
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#include <mach/common.h>
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#include <mach/mx25.h>
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#include "clk.h"
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#define CRM_BASE MX25_IO_ADDRESS(MX25_CRM_BASE_ADDR)
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#define CCM_MPCTL 0x00
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#define CCM_UPCTL 0x04
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#define CCM_CCTL 0x08
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#define CCM_CGCR0 0x0C
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#define CCM_CGCR1 0x10
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#define CCM_CGCR2 0x14
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#define CCM_PCDR0 0x18
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#define CCM_PCDR1 0x1C
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#define CCM_PCDR2 0x20
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#define CCM_PCDR3 0x24
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#define CCM_RCSR 0x28
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#define CCM_CRDR 0x2C
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#define CCM_DCVR0 0x30
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#define CCM_DCVR1 0x34
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#define CCM_DCVR2 0x38
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#define CCM_DCVR3 0x3c
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#define CCM_LTR0 0x40
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#define CCM_LTR1 0x44
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#define CCM_LTR2 0x48
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#define CCM_LTR3 0x4c
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#define CCM_MCR 0x64
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#define ccm(x) (CRM_BASE + (x))
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static const char *cpu_sel_clks[] = { "mpll", "mpll_cpu_3_4", };
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static const char *per_sel_clks[] = { "ahb", "upll", };
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enum mx25_clks {
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dummy, osc, mpll, upll, mpll_cpu_3_4, cpu_sel, cpu, ahb, usb_div, ipg,
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per0_sel, per1_sel, per2_sel, per3_sel, per4_sel, per5_sel, per6_sel,
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per7_sel, per8_sel, per9_sel, per10_sel, per11_sel, per12_sel,
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per13_sel, per14_sel, per15_sel, per0, per1, per2, per3, per4, per5,
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per6, per7, per8, per9, per10, per11, per12, per13, per14, per15,
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csi_ipg_per, esdhc1_ipg_per, esdhc2_ipg_per, gpt_ipg_per, i2c_ipg_per,
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lcdc_ipg_per, nfc_ipg_per, ssi1_ipg_per, ssi2_ipg_per, uart_ipg_per,
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csi_ahb, esdhc1_ahb, esdhc2_ahb, fec_ahb, lcdc_ahb, sdma_ahb,
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usbotg_ahb, can1_ipg, can2_ipg, csi_ipg, cspi1_ipg, cspi2_ipg,
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cspi3_ipg, dryice_ipg, esdhc1_ipg, esdhc2_ipg, fec_ipg, iim_ipg,
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kpp_ipg, lcdc_ipg, pwm1_ipg, pwm2_ipg, pwm3_ipg, pwm4_ipg, sdma_ipg,
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ssi1_ipg, ssi2_ipg, tsc_ipg, uart1_ipg, uart2_ipg, uart3_ipg,
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uart4_ipg, uart5_ipg, wdt_ipg, clk_max
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};
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static struct clk *clk[clk_max];
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int __init mx25_clocks_init(void)
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{
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int i;
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clk[dummy] = imx_clk_fixed("dummy", 0);
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clk[osc] = imx_clk_fixed("osc", 24000000);
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clk[mpll] = imx_clk_pllv1("mpll", "osc", ccm(CCM_MPCTL));
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clk[upll] = imx_clk_pllv1("upll", "osc", ccm(CCM_UPCTL));
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clk[mpll_cpu_3_4] = imx_clk_fixed_factor("mpll_cpu_3_4", "mpll", 3, 4);
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clk[cpu_sel] = imx_clk_mux("cpu_sel", ccm(CCM_CCTL), 14, 1, cpu_sel_clks, ARRAY_SIZE(cpu_sel_clks));
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clk[cpu] = imx_clk_divider("cpu", "cpu_sel", ccm(CCM_CCTL), 30, 2);
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clk[ahb] = imx_clk_divider("ahb", "cpu", ccm(CCM_CCTL), 28, 2);
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clk[usb_div] = imx_clk_divider("usb_div", "upll", ccm(CCM_CCTL), 16, 6);
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clk[ipg] = imx_clk_fixed_factor("ipg", "ahb", 1, 2);
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clk[per0_sel] = imx_clk_mux("per0_sel", ccm(CCM_MCR), 0, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per1_sel] = imx_clk_mux("per1_sel", ccm(CCM_MCR), 1, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per2_sel] = imx_clk_mux("per2_sel", ccm(CCM_MCR), 2, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per3_sel] = imx_clk_mux("per3_sel", ccm(CCM_MCR), 3, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per4_sel] = imx_clk_mux("per4_sel", ccm(CCM_MCR), 4, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per5_sel] = imx_clk_mux("per5_sel", ccm(CCM_MCR), 5, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per6_sel] = imx_clk_mux("per6_sel", ccm(CCM_MCR), 6, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per7_sel] = imx_clk_mux("per7_sel", ccm(CCM_MCR), 7, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per8_sel] = imx_clk_mux("per8_sel", ccm(CCM_MCR), 8, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per9_sel] = imx_clk_mux("per9_sel", ccm(CCM_MCR), 9, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per10_sel] = imx_clk_mux("per10_sel", ccm(CCM_MCR), 10, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per11_sel] = imx_clk_mux("per11_sel", ccm(CCM_MCR), 11, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per12_sel] = imx_clk_mux("per12_sel", ccm(CCM_MCR), 12, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per13_sel] = imx_clk_mux("per13_sel", ccm(CCM_MCR), 13, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per14_sel] = imx_clk_mux("per14_sel", ccm(CCM_MCR), 14, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per15_sel] = imx_clk_mux("per15_sel", ccm(CCM_MCR), 15, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks));
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clk[per0] = imx_clk_divider("per0", "per0_sel", ccm(CCM_PCDR0), 0, 6);
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clk[per1] = imx_clk_divider("per1", "per1_sel", ccm(CCM_PCDR0), 8, 6);
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clk[per2] = imx_clk_divider("per2", "per2_sel", ccm(CCM_PCDR0), 16, 6);
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clk[per3] = imx_clk_divider("per3", "per3_sel", ccm(CCM_PCDR0), 24, 6);
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clk[per4] = imx_clk_divider("per4", "per4_sel", ccm(CCM_PCDR1), 0, 6);
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clk[per5] = imx_clk_divider("per5", "per5_sel", ccm(CCM_PCDR1), 8, 6);
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clk[per6] = imx_clk_divider("per6", "per6_sel", ccm(CCM_PCDR1), 16, 6);
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clk[per7] = imx_clk_divider("per7", "per7_sel", ccm(CCM_PCDR1), 24, 6);
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clk[per8] = imx_clk_divider("per8", "per8_sel", ccm(CCM_PCDR2), 0, 6);
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clk[per9] = imx_clk_divider("per9", "per9_sel", ccm(CCM_PCDR2), 8, 6);
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clk[per10] = imx_clk_divider("per10", "per10_sel", ccm(CCM_PCDR2), 16, 6);
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clk[per11] = imx_clk_divider("per11", "per11_sel", ccm(CCM_PCDR2), 24, 6);
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clk[per12] = imx_clk_divider("per12", "per12_sel", ccm(CCM_PCDR3), 0, 6);
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clk[per13] = imx_clk_divider("per13", "per13_sel", ccm(CCM_PCDR3), 8, 6);
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clk[per14] = imx_clk_divider("per14", "per14_sel", ccm(CCM_PCDR3), 16, 6);
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clk[per15] = imx_clk_divider("per15", "per15_sel", ccm(CCM_PCDR3), 24, 6);
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clk[csi_ipg_per] = imx_clk_gate("csi_ipg_per", "per0", ccm(CCM_CGCR0), 0);
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clk[esdhc1_ipg_per] = imx_clk_gate("esdhc1_ipg_per", "per3", ccm(CCM_CGCR0), 3);
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clk[esdhc2_ipg_per] = imx_clk_gate("esdhc2_ipg_per", "per4", ccm(CCM_CGCR0), 4);
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clk[gpt_ipg_per] = imx_clk_gate("gpt_ipg_per", "per5", ccm(CCM_CGCR0), 5);
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clk[i2c_ipg_per] = imx_clk_gate("i2c_ipg_per", "per6", ccm(CCM_CGCR0), 6);
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clk[lcdc_ipg_per] = imx_clk_gate("lcdc_ipg_per", "per7", ccm(CCM_CGCR0), 7);
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clk[nfc_ipg_per] = imx_clk_gate("nfc_ipg_per", "per8", ccm(CCM_CGCR0), 8);
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clk[ssi1_ipg_per] = imx_clk_gate("ssi1_ipg_per", "per13", ccm(CCM_CGCR0), 13);
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clk[ssi2_ipg_per] = imx_clk_gate("ssi2_ipg_per", "per14", ccm(CCM_CGCR0), 14);
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clk[uart_ipg_per] = imx_clk_gate("uart_ipg_per", "per15", ccm(CCM_CGCR0), 15);
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clk[csi_ahb] = imx_clk_gate("csi_ahb", "ahb", ccm(CCM_CGCR0), 18);
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clk[esdhc1_ahb] = imx_clk_gate("esdhc1_ahb", "ahb", ccm(CCM_CGCR0), 21);
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clk[esdhc2_ahb] = imx_clk_gate("esdhc2_ahb", "ahb", ccm(CCM_CGCR0), 22);
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clk[fec_ahb] = imx_clk_gate("fec_ahb", "ahb", ccm(CCM_CGCR0), 23);
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clk[lcdc_ahb] = imx_clk_gate("lcdc_ahb", "ahb", ccm(CCM_CGCR0), 24);
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clk[sdma_ahb] = imx_clk_gate("sdma_ahb", "ahb", ccm(CCM_CGCR0), 26);
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clk[usbotg_ahb] = imx_clk_gate("usbotg_ahb", "ahb", ccm(CCM_CGCR0), 28);
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clk[can1_ipg] = imx_clk_gate("can1_ipg", "ipg", ccm(CCM_CGCR1), 2);
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clk[can2_ipg] = imx_clk_gate("can2_ipg", "ipg", ccm(CCM_CGCR1), 3);
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clk[csi_ipg] = imx_clk_gate("csi_ipg", "ipg", ccm(CCM_CGCR1), 4);
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clk[cspi1_ipg] = imx_clk_gate("cspi1_ipg", "ipg", ccm(CCM_CGCR1), 5);
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clk[cspi2_ipg] = imx_clk_gate("cspi2_ipg", "ipg", ccm(CCM_CGCR1), 6);
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clk[cspi3_ipg] = imx_clk_gate("cspi3_ipg", "ipg", ccm(CCM_CGCR1), 7);
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clk[dryice_ipg] = imx_clk_gate("dryice_ipg", "ipg", ccm(CCM_CGCR1), 8);
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clk[esdhc1_ipg] = imx_clk_gate("esdhc1_ipg", "ipg", ccm(CCM_CGCR1), 13);
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clk[esdhc2_ipg] = imx_clk_gate("esdhc2_ipg", "ipg", ccm(CCM_CGCR1), 14);
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clk[fec_ipg] = imx_clk_gate("fec_ipg", "ipg", ccm(CCM_CGCR1), 15);
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clk[iim_ipg] = imx_clk_gate("iim_ipg", "ipg", ccm(CCM_CGCR1), 26);
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clk[kpp_ipg] = imx_clk_gate("kpp_ipg", "ipg", ccm(CCM_CGCR1), 28);
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clk[lcdc_ipg] = imx_clk_gate("lcdc_ipg", "ipg", ccm(CCM_CGCR1), 29);
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clk[pwm1_ipg] = imx_clk_gate("pwm1_ipg", "ipg", ccm(CCM_CGCR1), 31);
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clk[pwm2_ipg] = imx_clk_gate("pwm2_ipg", "ipg", ccm(CCM_CGCR2), 0);
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clk[pwm3_ipg] = imx_clk_gate("pwm3_ipg", "ipg", ccm(CCM_CGCR2), 1);
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clk[pwm4_ipg] = imx_clk_gate("pwm4_ipg", "ipg", ccm(CCM_CGCR2), 2);
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clk[sdma_ipg] = imx_clk_gate("sdma_ipg", "ipg", ccm(CCM_CGCR2), 6);
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clk[ssi1_ipg] = imx_clk_gate("ssi1_ipg", "ipg", ccm(CCM_CGCR2), 11);
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clk[ssi2_ipg] = imx_clk_gate("ssi2_ipg", "ipg", ccm(CCM_CGCR2), 12);
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clk[tsc_ipg] = imx_clk_gate("tsc_ipg", "ipg", ccm(CCM_CGCR2), 13);
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clk[uart1_ipg] = imx_clk_gate("uart1_ipg", "ipg", ccm(CCM_CGCR2), 14);
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clk[uart2_ipg] = imx_clk_gate("uart2_ipg", "ipg", ccm(CCM_CGCR2), 15);
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clk[uart3_ipg] = imx_clk_gate("uart3_ipg", "ipg", ccm(CCM_CGCR2), 16);
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clk[uart4_ipg] = imx_clk_gate("uart4_ipg", "ipg", ccm(CCM_CGCR2), 17);
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clk[uart5_ipg] = imx_clk_gate("uart5_ipg", "ipg", ccm(CCM_CGCR2), 18);
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clk[wdt_ipg] = imx_clk_gate("wdt_ipg", "ipg", ccm(CCM_CGCR2), 19);
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for (i = 0; i < ARRAY_SIZE(clk); i++)
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if (IS_ERR(clk[i]))
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pr_err("i.MX25 clk %d: register failed with %ld\n",
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i, PTR_ERR(clk[i]));
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/* i.mx25 has the i.mx21 type uart */
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clk_register_clkdev(clk[uart1_ipg], "ipg", "imx21-uart.0");
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clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.0");
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clk_register_clkdev(clk[uart2_ipg], "ipg", "imx21-uart.1");
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clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.1");
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clk_register_clkdev(clk[uart3_ipg], "ipg", "imx21-uart.2");
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clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.2");
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clk_register_clkdev(clk[uart4_ipg], "ipg", "imx21-uart.3");
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clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.3");
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clk_register_clkdev(clk[uart5_ipg], "ipg", "imx21-uart.4");
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clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.4");
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clk_register_clkdev(clk[ipg], "ipg", "imx-gpt.0");
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clk_register_clkdev(clk[gpt_ipg_per], "per", "imx-gpt.0");
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clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.0");
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clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.0");
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clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0");
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clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.1");
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clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.1");
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clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.1");
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clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2");
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clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.2");
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clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2");
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clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc");
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clk_register_clkdev(clk[usbotg_ahb], "ahb", "fsl-usb2-udc");
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clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
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clk_register_clkdev(clk[nfc_ipg_per], NULL, "mxc_nand.0");
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/* i.mx25 has the i.mx35 type cspi */
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clk_register_clkdev(clk[cspi1_ipg], NULL, "imx35-cspi.0");
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clk_register_clkdev(clk[cspi2_ipg], NULL, "imx35-cspi.1");
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clk_register_clkdev(clk[cspi3_ipg], NULL, "imx35-cspi.2");
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clk_register_clkdev(clk[pwm1_ipg], "ipg", "mxc_pwm.0");
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clk_register_clkdev(clk[per10], "per", "mxc_pwm.0");
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clk_register_clkdev(clk[pwm1_ipg], "ipg", "mxc_pwm.1");
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clk_register_clkdev(clk[per10], "per", "mxc_pwm.1");
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clk_register_clkdev(clk[pwm1_ipg], "ipg", "mxc_pwm.2");
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clk_register_clkdev(clk[per10], "per", "mxc_pwm.2");
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clk_register_clkdev(clk[pwm1_ipg], "ipg", "mxc_pwm.3");
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clk_register_clkdev(clk[per10], "per", "mxc_pwm.3");
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clk_register_clkdev(clk[kpp_ipg], NULL, "imx-keypad");
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clk_register_clkdev(clk[tsc_ipg], NULL, "mx25-adc");
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clk_register_clkdev(clk[i2c_ipg_per], NULL, "imx-i2c.0");
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clk_register_clkdev(clk[i2c_ipg_per], NULL, "imx-i2c.1");
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clk_register_clkdev(clk[i2c_ipg_per], NULL, "imx-i2c.2");
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clk_register_clkdev(clk[fec_ipg], "ipg", "imx25-fec.0");
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clk_register_clkdev(clk[fec_ahb], "ahb", "imx25-fec.0");
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clk_register_clkdev(clk[dryice_ipg], NULL, "imxdi_rtc.0");
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clk_register_clkdev(clk[lcdc_ipg_per], "per", "imx-fb.0");
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clk_register_clkdev(clk[lcdc_ipg], "ipg", "imx-fb.0");
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clk_register_clkdev(clk[lcdc_ahb], "ahb", "imx-fb.0");
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clk_register_clkdev(clk[wdt_ipg], NULL, "imx2-wdt.0");
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clk_register_clkdev(clk[ssi1_ipg], NULL, "imx-ssi.0");
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clk_register_clkdev(clk[ssi2_ipg], NULL, "imx-ssi.1");
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clk_register_clkdev(clk[esdhc1_ipg_per], "per", "sdhci-esdhc-imx25.0");
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clk_register_clkdev(clk[esdhc1_ipg], "ipg", "sdhci-esdhc-imx25.0");
|
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clk_register_clkdev(clk[esdhc1_ahb], "ahb", "sdhci-esdhc-imx25.0");
|
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clk_register_clkdev(clk[esdhc2_ipg_per], "per", "sdhci-esdhc-imx25.1");
|
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clk_register_clkdev(clk[esdhc2_ipg], "ipg", "sdhci-esdhc-imx25.1");
|
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clk_register_clkdev(clk[esdhc2_ahb], "ahb", "sdhci-esdhc-imx25.1");
|
|
clk_register_clkdev(clk[csi_ipg_per], "per", "mx2-camera.0");
|
|
clk_register_clkdev(clk[csi_ipg], "ipg", "mx2-camera.0");
|
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clk_register_clkdev(clk[csi_ahb], "ahb", "mx2-camera.0");
|
|
clk_register_clkdev(clk[dummy], "audmux", NULL);
|
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clk_register_clkdev(clk[can1_ipg], NULL, "flexcan.0");
|
|
clk_register_clkdev(clk[can2_ipg], NULL, "flexcan.1");
|
|
/* i.mx25 has the i.mx35 type sdma */
|
|
clk_register_clkdev(clk[sdma_ipg], "ipg", "imx35-sdma");
|
|
clk_register_clkdev(clk[sdma_ahb], "ahb", "imx35-sdma");
|
|
clk_register_clkdev(clk[iim_ipg], "iim", NULL);
|
|
|
|
mxc_timer_init(MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), MX25_INT_GPT1);
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return 0;
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}
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