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13b3a07a26
Add more imx5 ssi clocks and lookup for device tree probe. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
507 lines
28 KiB
C
507 lines
28 KiB
C
/*
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* Copyright (C) 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/mm.h>
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#include <linux/delay.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/of.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 "crm-regs-imx5.h"
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#include "clk.h"
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/* Low-power Audio Playback Mode clock */
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static const char *lp_apm_sel[] = { "osc", };
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/* This is used multiple times */
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static const char *standard_pll_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "lp_apm", };
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static const char *periph_apm_sel[] = { "pll1_sw", "pll3_sw", "lp_apm", };
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static const char *main_bus_sel[] = { "pll2_sw", "periph_apm", };
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static const char *per_lp_apm_sel[] = { "main_bus", "lp_apm", };
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static const char *per_root_sel[] = { "per_podf", "ipg", };
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static const char *esdhc_c_sel[] = { "esdhc_a_podf", "esdhc_b_podf", };
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static const char *esdhc_d_sel[] = { "esdhc_a_podf", "esdhc_b_podf", };
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static const char *ssi_apm_sels[] = { "ckih1", "lp_amp", "ckih2", };
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static const char *ssi_clk_sels[] = { "pll1_sw", "pll2_sw", "pll3_sw", "ssi_apm", };
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static const char *ssi3_clk_sels[] = { "ssi1_root_gate", "ssi2_root_gate", };
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static const char *ssi_ext1_com_sels[] = { "ssi_ext1_podf", "ssi1_root_gate", };
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static const char *ssi_ext2_com_sels[] = { "ssi_ext2_podf", "ssi2_root_gate", };
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static const char *emi_slow_sel[] = { "main_bus", "ahb", };
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static const char *usb_phy_sel_str[] = { "osc", "usb_phy_podf", };
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static const char *mx51_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "tve_di", };
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static const char *mx53_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "di_pll4_podf", "dummy", "ldb_di0", };
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static const char *mx53_ldb_di0_sel[] = { "pll3_sw", "pll4_sw", };
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static const char *mx51_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", };
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static const char *mx53_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", "ldb_di1", };
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static const char *mx53_ldb_di1_sel[] = { "pll3_sw", "pll4_sw", };
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static const char *mx51_tve_ext_sel[] = { "osc", "ckih1", };
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static const char *mx53_tve_ext_sel[] = { "pll4_sw", "ckih1", };
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static const char *tve_sel[] = { "tve_pred", "tve_ext_sel", };
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static const char *ipu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
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static const char *vpu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
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enum imx5_clks {
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dummy, ckil, osc, ckih1, ckih2, ahb, ipg, axi_a, axi_b, uart_pred,
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uart_root, esdhc_a_pred, esdhc_b_pred, esdhc_c_s, esdhc_d_s,
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emi_sel, emi_slow_podf, nfc_podf, ecspi_pred, ecspi_podf, usboh3_pred,
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usboh3_podf, usb_phy_pred, usb_phy_podf, cpu_podf, di_pred, tve_di,
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tve_s, uart1_ipg_gate, uart1_per_gate, uart2_ipg_gate,
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uart2_per_gate, uart3_ipg_gate, uart3_per_gate, i2c1_gate, i2c2_gate,
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gpt_ipg_gate, pwm1_ipg_gate, pwm1_hf_gate, pwm2_ipg_gate, pwm2_hf_gate,
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gpt_gate, fec_gate, usboh3_per_gate, esdhc1_ipg_gate, esdhc2_ipg_gate,
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esdhc3_ipg_gate, esdhc4_ipg_gate, ssi1_ipg_gate, ssi2_ipg_gate,
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ssi3_ipg_gate, ecspi1_ipg_gate, ecspi1_per_gate, ecspi2_ipg_gate,
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ecspi2_per_gate, cspi_ipg_gate, sdma_gate, emi_slow_gate, ipu_s,
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ipu_gate, nfc_gate, ipu_di1_gate, vpu_s, vpu_gate,
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vpu_reference_gate, uart4_ipg_gate, uart4_per_gate, uart5_ipg_gate,
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uart5_per_gate, tve_gate, tve_pred, esdhc1_per_gate, esdhc2_per_gate,
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esdhc3_per_gate, esdhc4_per_gate, usb_phy_gate, hsi2c_gate,
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mipi_hsc1_gate, mipi_hsc2_gate, mipi_esc_gate, mipi_hsp_gate,
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ldb_di1_div_3_5, ldb_di1_div, ldb_di0_div_3_5, ldb_di0_div,
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ldb_di1_gate, can2_serial_gate, can2_ipg_gate, i2c3_gate, lp_apm,
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periph_apm, main_bus, ahb_max, aips_tz1, aips_tz2, tmax1, tmax2,
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tmax3, spba, uart_sel, esdhc_a_sel, esdhc_b_sel, esdhc_a_podf,
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esdhc_b_podf, ecspi_sel, usboh3_sel, usb_phy_sel, iim_gate,
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usboh3_gate, emi_fast_gate, ipu_di0_gate,gpc_dvfs, pll1_sw, pll2_sw,
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pll3_sw, ipu_di0_sel, ipu_di1_sel, tve_ext_sel, mx51_mipi, pll4_sw,
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ldb_di1_sel, di_pll4_podf, ldb_di0_sel, ldb_di0_gate, usb_phy1_gate,
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usb_phy2_gate, per_lp_apm, per_pred1, per_pred2, per_podf, per_root,
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ssi_apm, ssi1_root_sel, ssi2_root_sel, ssi3_root_sel, ssi_ext1_sel,
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ssi_ext2_sel, ssi_ext1_com_sel, ssi_ext2_com_sel, ssi1_root_pred,
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ssi1_root_podf, ssi2_root_pred, ssi2_root_podf, ssi_ext1_pred,
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ssi_ext1_podf, ssi_ext2_pred, ssi_ext2_podf, ssi1_root_gate,
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ssi2_root_gate, ssi3_root_gate, ssi_ext1_gate, ssi_ext2_gate,
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clk_max
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};
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static struct clk *clk[clk_max];
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static void __init mx5_clocks_common_init(unsigned long rate_ckil,
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unsigned long rate_osc, unsigned long rate_ckih1,
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unsigned long rate_ckih2)
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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[ckil] = imx_clk_fixed("ckil", rate_ckil);
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clk[osc] = imx_clk_fixed("osc", rate_osc);
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clk[ckih1] = imx_clk_fixed("ckih1", rate_ckih1);
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clk[ckih2] = imx_clk_fixed("ckih2", rate_ckih2);
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clk[lp_apm] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 9, 1,
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lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
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clk[periph_apm] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2,
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periph_apm_sel, ARRAY_SIZE(periph_apm_sel));
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clk[main_bus] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1,
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main_bus_sel, ARRAY_SIZE(main_bus_sel));
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clk[per_lp_apm] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCDR, 1, 1,
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per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel));
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clk[per_pred1] = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2);
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clk[per_pred2] = imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, 3);
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clk[per_podf] = imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3);
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clk[per_root] = imx_clk_mux("per_root", MXC_CCM_CBCDR, 1, 0,
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per_root_sel, ARRAY_SIZE(per_root_sel));
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clk[ahb] = imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3);
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clk[ahb_max] = imx_clk_gate2("ahb_max", "ahb", MXC_CCM_CCGR0, 28);
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clk[aips_tz1] = imx_clk_gate2("aips_tz1", "ahb", MXC_CCM_CCGR0, 24);
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clk[aips_tz2] = imx_clk_gate2("aips_tz2", "ahb", MXC_CCM_CCGR0, 26);
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clk[tmax1] = imx_clk_gate2("tmax1", "ahb", MXC_CCM_CCGR1, 0);
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clk[tmax2] = imx_clk_gate2("tmax2", "ahb", MXC_CCM_CCGR1, 2);
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clk[tmax3] = imx_clk_gate2("tmax3", "ahb", MXC_CCM_CCGR1, 4);
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clk[spba] = imx_clk_gate2("spba", "ipg", MXC_CCM_CCGR5, 0);
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clk[ipg] = imx_clk_divider("ipg", "ahb", MXC_CCM_CBCDR, 8, 2);
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clk[axi_a] = imx_clk_divider("axi_a", "main_bus", MXC_CCM_CBCDR, 16, 3);
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clk[axi_b] = imx_clk_divider("axi_b", "main_bus", MXC_CCM_CBCDR, 19, 3);
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clk[uart_sel] = imx_clk_mux("uart_sel", MXC_CCM_CSCMR1, 24, 2,
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standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
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clk[uart_pred] = imx_clk_divider("uart_pred", "uart_sel", MXC_CCM_CSCDR1, 3, 3);
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clk[uart_root] = imx_clk_divider("uart_root", "uart_pred", MXC_CCM_CSCDR1, 0, 3);
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clk[esdhc_a_sel] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2,
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standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
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clk[esdhc_b_sel] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2,
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standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
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clk[esdhc_a_pred] = imx_clk_divider("esdhc_a_pred", "esdhc_a_sel", MXC_CCM_CSCDR1, 16, 3);
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clk[esdhc_a_podf] = imx_clk_divider("esdhc_a_podf", "esdhc_a_pred", MXC_CCM_CSCDR1, 11, 3);
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clk[esdhc_b_pred] = imx_clk_divider("esdhc_b_pred", "esdhc_b_sel", MXC_CCM_CSCDR1, 22, 3);
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clk[esdhc_b_podf] = imx_clk_divider("esdhc_b_podf", "esdhc_b_pred", MXC_CCM_CSCDR1, 19, 3);
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clk[esdhc_c_s] = imx_clk_mux("esdhc_c_sel", MXC_CCM_CSCMR1, 19, 1, esdhc_c_sel, ARRAY_SIZE(esdhc_c_sel));
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clk[esdhc_d_s] = imx_clk_mux("esdhc_d_sel", MXC_CCM_CSCMR1, 18, 1, esdhc_d_sel, ARRAY_SIZE(esdhc_d_sel));
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clk[emi_sel] = imx_clk_mux("emi_sel", MXC_CCM_CBCDR, 26, 1,
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emi_slow_sel, ARRAY_SIZE(emi_slow_sel));
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clk[emi_slow_podf] = imx_clk_divider("emi_slow_podf", "emi_sel", MXC_CCM_CBCDR, 22, 3);
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clk[nfc_podf] = imx_clk_divider("nfc_podf", "emi_slow_podf", MXC_CCM_CBCDR, 13, 3);
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clk[ecspi_sel] = imx_clk_mux("ecspi_sel", MXC_CCM_CSCMR1, 4, 2,
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standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
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clk[ecspi_pred] = imx_clk_divider("ecspi_pred", "ecspi_sel", MXC_CCM_CSCDR2, 25, 3);
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clk[ecspi_podf] = imx_clk_divider("ecspi_podf", "ecspi_pred", MXC_CCM_CSCDR2, 19, 6);
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clk[usboh3_sel] = imx_clk_mux("usboh3_sel", MXC_CCM_CSCMR1, 22, 2,
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standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
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clk[usboh3_pred] = imx_clk_divider("usboh3_pred", "usboh3_sel", MXC_CCM_CSCDR1, 8, 3);
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clk[usboh3_podf] = imx_clk_divider("usboh3_podf", "usboh3_pred", MXC_CCM_CSCDR1, 6, 2);
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clk[usb_phy_pred] = imx_clk_divider("usb_phy_pred", "pll3_sw", MXC_CCM_CDCDR, 3, 3);
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clk[usb_phy_podf] = imx_clk_divider("usb_phy_podf", "usb_phy_pred", MXC_CCM_CDCDR, 0, 3);
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clk[usb_phy_sel] = imx_clk_mux("usb_phy_sel", MXC_CCM_CSCMR1, 26, 1,
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usb_phy_sel_str, ARRAY_SIZE(usb_phy_sel_str));
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clk[cpu_podf] = imx_clk_divider("cpu_podf", "pll1_sw", MXC_CCM_CACRR, 0, 3);
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clk[di_pred] = imx_clk_divider("di_pred", "pll3_sw", MXC_CCM_CDCDR, 6, 3);
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clk[tve_di] = imx_clk_fixed("tve_di", 65000000); /* FIXME */
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clk[tve_s] = imx_clk_mux("tve_sel", MXC_CCM_CSCMR1, 7, 1, tve_sel, ARRAY_SIZE(tve_sel));
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clk[iim_gate] = imx_clk_gate2("iim_gate", "ipg", MXC_CCM_CCGR0, 30);
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clk[uart1_ipg_gate] = imx_clk_gate2("uart1_ipg_gate", "ipg", MXC_CCM_CCGR1, 6);
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clk[uart1_per_gate] = imx_clk_gate2("uart1_per_gate", "uart_root", MXC_CCM_CCGR1, 8);
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clk[uart2_ipg_gate] = imx_clk_gate2("uart2_ipg_gate", "ipg", MXC_CCM_CCGR1, 10);
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clk[uart2_per_gate] = imx_clk_gate2("uart2_per_gate", "uart_root", MXC_CCM_CCGR1, 12);
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clk[uart3_ipg_gate] = imx_clk_gate2("uart3_ipg_gate", "ipg", MXC_CCM_CCGR1, 14);
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clk[uart3_per_gate] = imx_clk_gate2("uart3_per_gate", "uart_root", MXC_CCM_CCGR1, 16);
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clk[i2c1_gate] = imx_clk_gate2("i2c1_gate", "per_root", MXC_CCM_CCGR1, 18);
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clk[i2c2_gate] = imx_clk_gate2("i2c2_gate", "per_root", MXC_CCM_CCGR1, 20);
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clk[gpt_ipg_gate] = imx_clk_gate2("gpt_ipg_gate", "ipg", MXC_CCM_CCGR2, 20);
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clk[pwm1_ipg_gate] = imx_clk_gate2("pwm1_ipg_gate", "ipg", MXC_CCM_CCGR2, 10);
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clk[pwm1_hf_gate] = imx_clk_gate2("pwm1_hf_gate", "ipg", MXC_CCM_CCGR2, 12);
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clk[pwm2_ipg_gate] = imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14);
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clk[pwm2_hf_gate] = imx_clk_gate2("pwm2_hf_gate", "ipg", MXC_CCM_CCGR2, 16);
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clk[gpt_gate] = imx_clk_gate2("gpt_gate", "ipg", MXC_CCM_CCGR2, 18);
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clk[fec_gate] = imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24);
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clk[usboh3_gate] = imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26);
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clk[usboh3_per_gate] = imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_CCM_CCGR2, 28);
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clk[esdhc1_ipg_gate] = imx_clk_gate2("esdhc1_ipg_gate", "ipg", MXC_CCM_CCGR3, 0);
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clk[esdhc2_ipg_gate] = imx_clk_gate2("esdhc2_ipg_gate", "ipg", MXC_CCM_CCGR3, 4);
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clk[esdhc3_ipg_gate] = imx_clk_gate2("esdhc3_ipg_gate", "ipg", MXC_CCM_CCGR3, 8);
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clk[esdhc4_ipg_gate] = imx_clk_gate2("esdhc4_ipg_gate", "ipg", MXC_CCM_CCGR3, 12);
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clk[ssi1_ipg_gate] = imx_clk_gate2("ssi1_ipg_gate", "ipg", MXC_CCM_CCGR3, 16);
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clk[ssi2_ipg_gate] = imx_clk_gate2("ssi2_ipg_gate", "ipg", MXC_CCM_CCGR3, 20);
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clk[ssi3_ipg_gate] = imx_clk_gate2("ssi3_ipg_gate", "ipg", MXC_CCM_CCGR3, 24);
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clk[ecspi1_ipg_gate] = imx_clk_gate2("ecspi1_ipg_gate", "ipg", MXC_CCM_CCGR4, 18);
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clk[ecspi1_per_gate] = imx_clk_gate2("ecspi1_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 20);
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clk[ecspi2_ipg_gate] = imx_clk_gate2("ecspi2_ipg_gate", "ipg", MXC_CCM_CCGR4, 22);
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clk[ecspi2_per_gate] = imx_clk_gate2("ecspi2_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 24);
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clk[cspi_ipg_gate] = imx_clk_gate2("cspi_ipg_gate", "ipg", MXC_CCM_CCGR4, 26);
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clk[sdma_gate] = imx_clk_gate2("sdma_gate", "ipg", MXC_CCM_CCGR4, 30);
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clk[emi_fast_gate] = imx_clk_gate2("emi_fast_gate", "dummy", MXC_CCM_CCGR5, 14);
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clk[emi_slow_gate] = imx_clk_gate2("emi_slow_gate", "emi_slow_podf", MXC_CCM_CCGR5, 16);
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clk[ipu_s] = imx_clk_mux("ipu_sel", MXC_CCM_CBCMR, 6, 2, ipu_sel, ARRAY_SIZE(ipu_sel));
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clk[ipu_gate] = imx_clk_gate2("ipu_gate", "ipu_sel", MXC_CCM_CCGR5, 10);
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clk[nfc_gate] = imx_clk_gate2("nfc_gate", "nfc_podf", MXC_CCM_CCGR5, 20);
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clk[ipu_di0_gate] = imx_clk_gate2("ipu_di0_gate", "ipu_di0_sel", MXC_CCM_CCGR6, 10);
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clk[ipu_di1_gate] = imx_clk_gate2("ipu_di1_gate", "ipu_di1_sel", MXC_CCM_CCGR6, 12);
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clk[vpu_s] = imx_clk_mux("vpu_sel", MXC_CCM_CBCMR, 14, 2, vpu_sel, ARRAY_SIZE(vpu_sel));
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clk[vpu_gate] = imx_clk_gate2("vpu_gate", "vpu_sel", MXC_CCM_CCGR5, 6);
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clk[vpu_reference_gate] = imx_clk_gate2("vpu_reference_gate", "osc", MXC_CCM_CCGR5, 8);
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clk[uart4_ipg_gate] = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, 8);
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clk[uart4_per_gate] = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_CCGR7, 10);
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clk[uart5_ipg_gate] = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, 12);
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clk[uart5_per_gate] = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_CCGR7, 14);
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clk[gpc_dvfs] = imx_clk_gate2("gpc_dvfs", "dummy", MXC_CCM_CCGR5, 24);
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clk[ssi_apm] = imx_clk_mux("ssi_apm", MXC_CCM_CSCMR1, 8, 2, ssi_apm_sels, ARRAY_SIZE(ssi_apm_sels));
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clk[ssi1_root_sel] = imx_clk_mux("ssi1_root_sel", MXC_CCM_CSCMR1, 14, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
|
|
clk[ssi2_root_sel] = imx_clk_mux("ssi2_root_sel", MXC_CCM_CSCMR1, 12, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
|
|
clk[ssi3_root_sel] = imx_clk_mux("ssi3_root_sel", MXC_CCM_CSCMR1, 11, 1, ssi3_clk_sels, ARRAY_SIZE(ssi3_clk_sels));
|
|
clk[ssi_ext1_sel] = imx_clk_mux("ssi_ext1_sel", MXC_CCM_CSCMR1, 28, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
|
|
clk[ssi_ext2_sel] = imx_clk_mux("ssi_ext2_sel", MXC_CCM_CSCMR1, 30, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
|
|
clk[ssi_ext1_com_sel] = imx_clk_mux("ssi_ext1_com_sel", MXC_CCM_CSCMR1, 0, 1, ssi_ext1_com_sels, ARRAY_SIZE(ssi_ext1_com_sels));
|
|
clk[ssi_ext2_com_sel] = imx_clk_mux("ssi_ext2_com_sel", MXC_CCM_CSCMR1, 1, 1, ssi_ext2_com_sels, ARRAY_SIZE(ssi_ext2_com_sels));
|
|
clk[ssi1_root_pred] = imx_clk_divider("ssi1_root_pred", "ssi1_root_sel", MXC_CCM_CS1CDR, 6, 3);
|
|
clk[ssi1_root_podf] = imx_clk_divider("ssi1_root_podf", "ssi1_root_pred", MXC_CCM_CS1CDR, 0, 6);
|
|
clk[ssi2_root_pred] = imx_clk_divider("ssi2_root_pred", "ssi2_root_sel", MXC_CCM_CS2CDR, 6, 3);
|
|
clk[ssi2_root_podf] = imx_clk_divider("ssi2_root_podf", "ssi2_root_pred", MXC_CCM_CS2CDR, 0, 6);
|
|
clk[ssi_ext1_pred] = imx_clk_divider("ssi_ext1_pred", "ssi_ext1_sel", MXC_CCM_CS1CDR, 22, 3);
|
|
clk[ssi_ext1_podf] = imx_clk_divider("ssi_ext1_podf", "ssi_ext1_pred", MXC_CCM_CS1CDR, 16, 6);
|
|
clk[ssi_ext2_pred] = imx_clk_divider("ssi_ext2_pred", "ssi_ext2_sel", MXC_CCM_CS2CDR, 22, 3);
|
|
clk[ssi_ext2_podf] = imx_clk_divider("ssi_ext2_podf", "ssi_ext2_pred", MXC_CCM_CS2CDR, 16, 6);
|
|
clk[ssi1_root_gate] = imx_clk_gate2("ssi1_root_gate", "ssi1_root_podf", MXC_CCM_CCGR3, 18);
|
|
clk[ssi2_root_gate] = imx_clk_gate2("ssi2_root_gate", "ssi2_root_podf", MXC_CCM_CCGR3, 22);
|
|
clk[ssi3_root_gate] = imx_clk_gate2("ssi3_root_gate", "ssi3_root_sel", MXC_CCM_CCGR3, 26);
|
|
clk[ssi_ext1_gate] = imx_clk_gate2("ssi_ext1_gate", "ssi_ext1_com_sel", MXC_CCM_CCGR3, 28);
|
|
clk[ssi_ext2_gate] = imx_clk_gate2("ssi_ext2_gate", "ssi_ext2_com_sel", MXC_CCM_CCGR3, 30);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(clk); i++)
|
|
if (IS_ERR(clk[i]))
|
|
pr_err("i.MX5 clk %d: register failed with %ld\n",
|
|
i, PTR_ERR(clk[i]));
|
|
|
|
clk_register_clkdev(clk[gpt_gate], "per", "imx-gpt.0");
|
|
clk_register_clkdev(clk[gpt_ipg_gate], "ipg", "imx-gpt.0");
|
|
clk_register_clkdev(clk[uart1_per_gate], "per", "imx21-uart.0");
|
|
clk_register_clkdev(clk[uart1_ipg_gate], "ipg", "imx21-uart.0");
|
|
clk_register_clkdev(clk[uart2_per_gate], "per", "imx21-uart.1");
|
|
clk_register_clkdev(clk[uart2_ipg_gate], "ipg", "imx21-uart.1");
|
|
clk_register_clkdev(clk[uart3_per_gate], "per", "imx21-uart.2");
|
|
clk_register_clkdev(clk[uart3_ipg_gate], "ipg", "imx21-uart.2");
|
|
clk_register_clkdev(clk[uart4_per_gate], "per", "imx21-uart.3");
|
|
clk_register_clkdev(clk[uart4_ipg_gate], "ipg", "imx21-uart.3");
|
|
clk_register_clkdev(clk[uart5_per_gate], "per", "imx21-uart.4");
|
|
clk_register_clkdev(clk[uart5_ipg_gate], "ipg", "imx21-uart.4");
|
|
clk_register_clkdev(clk[ecspi1_per_gate], "per", "imx51-ecspi.0");
|
|
clk_register_clkdev(clk[ecspi1_ipg_gate], "ipg", "imx51-ecspi.0");
|
|
clk_register_clkdev(clk[ecspi2_per_gate], "per", "imx51-ecspi.1");
|
|
clk_register_clkdev(clk[ecspi2_ipg_gate], "ipg", "imx51-ecspi.1");
|
|
clk_register_clkdev(clk[cspi_ipg_gate], NULL, "imx51-cspi.0");
|
|
clk_register_clkdev(clk[pwm1_ipg_gate], "pwm", "mxc_pwm.0");
|
|
clk_register_clkdev(clk[pwm2_ipg_gate], "pwm", "mxc_pwm.1");
|
|
clk_register_clkdev(clk[i2c1_gate], NULL, "imx-i2c.0");
|
|
clk_register_clkdev(clk[i2c2_gate], NULL, "imx-i2c.1");
|
|
clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.0");
|
|
clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.0");
|
|
clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.0");
|
|
clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.1");
|
|
clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.1");
|
|
clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.1");
|
|
clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.2");
|
|
clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.2");
|
|
clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.2");
|
|
clk_register_clkdev(clk[usboh3_per_gate], "per", "fsl-usb2-udc");
|
|
clk_register_clkdev(clk[usboh3_gate], "ipg", "fsl-usb2-udc");
|
|
clk_register_clkdev(clk[usboh3_gate], "ahb", "fsl-usb2-udc");
|
|
clk_register_clkdev(clk[nfc_gate], NULL, "mxc_nand");
|
|
clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0");
|
|
clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1");
|
|
clk_register_clkdev(clk[ssi3_ipg_gate], NULL, "imx-ssi.2");
|
|
clk_register_clkdev(clk[ssi_ext1_gate], "ssi_ext1", NULL);
|
|
clk_register_clkdev(clk[ssi_ext2_gate], "ssi_ext2", NULL);
|
|
clk_register_clkdev(clk[sdma_gate], NULL, "imx35-sdma");
|
|
clk_register_clkdev(clk[cpu_podf], "cpu", NULL);
|
|
clk_register_clkdev(clk[iim_gate], "iim", NULL);
|
|
clk_register_clkdev(clk[dummy], NULL, "imx2-wdt.0");
|
|
clk_register_clkdev(clk[dummy], NULL, "imx2-wdt.1");
|
|
clk_register_clkdev(clk[dummy], NULL, "imx-keypad");
|
|
clk_register_clkdev(clk[tve_gate], NULL, "imx-tve.0");
|
|
clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx-tve.0");
|
|
|
|
/* Set SDHC parents to be PLL2 */
|
|
clk_set_parent(clk[esdhc_a_sel], clk[pll2_sw]);
|
|
clk_set_parent(clk[esdhc_b_sel], clk[pll2_sw]);
|
|
|
|
/* move usb phy clk to 24MHz */
|
|
clk_set_parent(clk[usb_phy_sel], clk[osc]);
|
|
|
|
clk_prepare_enable(clk[gpc_dvfs]);
|
|
clk_prepare_enable(clk[ahb_max]); /* esdhc3 */
|
|
clk_prepare_enable(clk[aips_tz1]);
|
|
clk_prepare_enable(clk[aips_tz2]); /* fec */
|
|
clk_prepare_enable(clk[spba]);
|
|
clk_prepare_enable(clk[emi_fast_gate]); /* fec */
|
|
clk_prepare_enable(clk[tmax1]);
|
|
clk_prepare_enable(clk[tmax2]); /* esdhc2, fec */
|
|
clk_prepare_enable(clk[tmax3]); /* esdhc1, esdhc4 */
|
|
}
|
|
|
|
int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
|
|
unsigned long rate_ckih1, unsigned long rate_ckih2)
|
|
{
|
|
int i;
|
|
|
|
clk[pll1_sw] = imx_clk_pllv2("pll1_sw", "osc", MX51_DPLL1_BASE);
|
|
clk[pll2_sw] = imx_clk_pllv2("pll2_sw", "osc", MX51_DPLL2_BASE);
|
|
clk[pll3_sw] = imx_clk_pllv2("pll3_sw", "osc", MX51_DPLL3_BASE);
|
|
clk[ipu_di0_sel] = imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
|
|
mx51_ipu_di0_sel, ARRAY_SIZE(mx51_ipu_di0_sel));
|
|
clk[ipu_di1_sel] = imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
|
|
mx51_ipu_di1_sel, ARRAY_SIZE(mx51_ipu_di1_sel));
|
|
clk[tve_ext_sel] = imx_clk_mux("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1,
|
|
mx51_tve_ext_sel, ARRAY_SIZE(mx51_tve_ext_sel));
|
|
clk[tve_gate] = imx_clk_gate2("tve_gate", "tve_sel", MXC_CCM_CCGR2, 30);
|
|
clk[tve_pred] = imx_clk_divider("tve_pred", "pll3_sw", MXC_CCM_CDCDR, 28, 3);
|
|
clk[esdhc1_per_gate] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
|
|
clk[esdhc2_per_gate] = imx_clk_gate2("esdhc2_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 6);
|
|
clk[esdhc3_per_gate] = imx_clk_gate2("esdhc3_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 10);
|
|
clk[esdhc4_per_gate] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
|
|
clk[usb_phy_gate] = imx_clk_gate2("usb_phy_gate", "usb_phy_sel", MXC_CCM_CCGR2, 0);
|
|
clk[hsi2c_gate] = imx_clk_gate2("hsi2c_gate", "ipg", MXC_CCM_CCGR1, 22);
|
|
clk[mipi_hsc1_gate] = imx_clk_gate2("mipi_hsc1_gate", "ipg", MXC_CCM_CCGR4, 6);
|
|
clk[mipi_hsc2_gate] = imx_clk_gate2("mipi_hsc2_gate", "ipg", MXC_CCM_CCGR4, 8);
|
|
clk[mipi_esc_gate] = imx_clk_gate2("mipi_esc_gate", "ipg", MXC_CCM_CCGR4, 10);
|
|
clk[mipi_hsp_gate] = imx_clk_gate2("mipi_hsp_gate", "ipg", MXC_CCM_CCGR4, 12);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(clk); i++)
|
|
if (IS_ERR(clk[i]))
|
|
pr_err("i.MX51 clk %d: register failed with %ld\n",
|
|
i, PTR_ERR(clk[i]));
|
|
|
|
mx5_clocks_common_init(rate_ckil, rate_osc, rate_ckih1, rate_ckih2);
|
|
|
|
clk_register_clkdev(clk[hsi2c_gate], NULL, "imx-i2c.2");
|
|
clk_register_clkdev(clk[mx51_mipi], "mipi_hsp", NULL);
|
|
clk_register_clkdev(clk[vpu_gate], NULL, "imx51-vpu.0");
|
|
clk_register_clkdev(clk[fec_gate], NULL, "imx27-fec.0");
|
|
clk_register_clkdev(clk[gpc_dvfs], "gpc_dvfs", NULL);
|
|
clk_register_clkdev(clk[ipu_gate], "bus", "imx51-ipu");
|
|
clk_register_clkdev(clk[ipu_di0_gate], "di0", "imx51-ipu");
|
|
clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx51-ipu");
|
|
clk_register_clkdev(clk[ipu_gate], "hsp", "imx51-ipu");
|
|
clk_register_clkdev(clk[usb_phy_gate], "phy", "mxc-ehci.0");
|
|
clk_register_clkdev(clk[esdhc1_ipg_gate], "ipg", "sdhci-esdhc-imx51.0");
|
|
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.0");
|
|
clk_register_clkdev(clk[esdhc1_per_gate], "per", "sdhci-esdhc-imx51.0");
|
|
clk_register_clkdev(clk[esdhc2_ipg_gate], "ipg", "sdhci-esdhc-imx51.1");
|
|
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.1");
|
|
clk_register_clkdev(clk[esdhc2_per_gate], "per", "sdhci-esdhc-imx51.1");
|
|
clk_register_clkdev(clk[esdhc3_ipg_gate], "ipg", "sdhci-esdhc-imx51.2");
|
|
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.2");
|
|
clk_register_clkdev(clk[esdhc3_per_gate], "per", "sdhci-esdhc-imx51.2");
|
|
clk_register_clkdev(clk[esdhc4_ipg_gate], "ipg", "sdhci-esdhc-imx51.3");
|
|
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.3");
|
|
clk_register_clkdev(clk[esdhc4_per_gate], "per", "sdhci-esdhc-imx51.3");
|
|
clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "83fcc000.ssi");
|
|
clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "70014000.ssi");
|
|
clk_register_clkdev(clk[ssi3_ipg_gate], NULL, "83fe8000.ssi");
|
|
|
|
/* set the usboh3 parent to pll2_sw */
|
|
clk_set_parent(clk[usboh3_sel], clk[pll2_sw]);
|
|
|
|
/* set SDHC root clock to 166.25MHZ*/
|
|
clk_set_rate(clk[esdhc_a_podf], 166250000);
|
|
clk_set_rate(clk[esdhc_b_podf], 166250000);
|
|
|
|
/* System timer */
|
|
mxc_timer_init(NULL, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR),
|
|
MX51_INT_GPT);
|
|
|
|
clk_prepare_enable(clk[iim_gate]);
|
|
imx_print_silicon_rev("i.MX51", mx51_revision());
|
|
clk_disable_unprepare(clk[iim_gate]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int __init mx53_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
|
|
unsigned long rate_ckih1, unsigned long rate_ckih2)
|
|
{
|
|
int i;
|
|
unsigned long r;
|
|
|
|
clk[pll1_sw] = imx_clk_pllv2("pll1_sw", "osc", MX53_DPLL1_BASE);
|
|
clk[pll2_sw] = imx_clk_pllv2("pll2_sw", "osc", MX53_DPLL2_BASE);
|
|
clk[pll3_sw] = imx_clk_pllv2("pll3_sw", "osc", MX53_DPLL3_BASE);
|
|
clk[pll4_sw] = imx_clk_pllv2("pll4_sw", "osc", MX53_DPLL4_BASE);
|
|
|
|
clk[ldb_di1_sel] = imx_clk_mux("ldb_di1_sel", MXC_CCM_CSCMR2, 9, 1,
|
|
mx53_ldb_di1_sel, ARRAY_SIZE(mx53_ldb_di1_sel));
|
|
clk[ldb_di1_div_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
|
|
clk[ldb_di1_div] = imx_clk_divider("ldb_di1_div", "ldb_di1_div_3_5", MXC_CCM_CSCMR2, 11, 1);
|
|
clk[di_pll4_podf] = imx_clk_divider("di_pll4_podf", "pll4_sw", MXC_CCM_CDCDR, 16, 3);
|
|
clk[ldb_di0_sel] = imx_clk_mux("ldb_di0_sel", MXC_CCM_CSCMR2, 8, 1,
|
|
mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel));
|
|
clk[ldb_di0_div_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
|
|
clk[ldb_di0_div] = imx_clk_divider("ldb_di0_div", "ldb_di0_div_3_5", MXC_CCM_CSCMR2, 10, 1);
|
|
clk[ldb_di0_gate] = imx_clk_gate2("ldb_di0_gate", "ldb_di0_div", MXC_CCM_CCGR6, 28);
|
|
clk[ldb_di1_gate] = imx_clk_gate2("ldb_di1_gate", "ldb_di1_div", MXC_CCM_CCGR6, 30);
|
|
clk[ipu_di0_sel] = imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
|
|
mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel));
|
|
clk[ipu_di1_sel] = imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
|
|
mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel));
|
|
clk[tve_ext_sel] = imx_clk_mux("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1,
|
|
mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel));
|
|
clk[tve_gate] = imx_clk_gate2("tve_gate", "tve_pred", MXC_CCM_CCGR2, 30);
|
|
clk[tve_pred] = imx_clk_divider("tve_pred", "tve_ext_sel", MXC_CCM_CDCDR, 28, 3);
|
|
clk[esdhc1_per_gate] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
|
|
clk[esdhc2_per_gate] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6);
|
|
clk[esdhc3_per_gate] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10);
|
|
clk[esdhc4_per_gate] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
|
|
clk[usb_phy1_gate] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10);
|
|
clk[usb_phy2_gate] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12);
|
|
clk[can2_serial_gate] = imx_clk_gate2("can2_serial_gate", "ipg", MXC_CCM_CCGR4, 6);
|
|
clk[can2_ipg_gate] = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 8);
|
|
clk[i2c3_gate] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(clk); i++)
|
|
if (IS_ERR(clk[i]))
|
|
pr_err("i.MX53 clk %d: register failed with %ld\n",
|
|
i, PTR_ERR(clk[i]));
|
|
|
|
mx5_clocks_common_init(rate_ckil, rate_osc, rate_ckih1, rate_ckih2);
|
|
|
|
clk_register_clkdev(clk[vpu_gate], NULL, "imx53-vpu.0");
|
|
clk_register_clkdev(clk[i2c3_gate], NULL, "imx-i2c.2");
|
|
clk_register_clkdev(clk[fec_gate], NULL, "imx25-fec.0");
|
|
clk_register_clkdev(clk[ipu_gate], "bus", "imx53-ipu");
|
|
clk_register_clkdev(clk[ipu_di0_gate], "di0", "imx53-ipu");
|
|
clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx53-ipu");
|
|
clk_register_clkdev(clk[ipu_gate], "hsp", "imx53-ipu");
|
|
clk_register_clkdev(clk[usb_phy1_gate], "usb_phy1", "mxc-ehci.0");
|
|
clk_register_clkdev(clk[esdhc1_ipg_gate], "ipg", "sdhci-esdhc-imx53.0");
|
|
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.0");
|
|
clk_register_clkdev(clk[esdhc1_per_gate], "per", "sdhci-esdhc-imx53.0");
|
|
clk_register_clkdev(clk[esdhc2_ipg_gate], "ipg", "sdhci-esdhc-imx53.1");
|
|
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.1");
|
|
clk_register_clkdev(clk[esdhc2_per_gate], "per", "sdhci-esdhc-imx53.1");
|
|
clk_register_clkdev(clk[esdhc3_ipg_gate], "ipg", "sdhci-esdhc-imx53.2");
|
|
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.2");
|
|
clk_register_clkdev(clk[esdhc3_per_gate], "per", "sdhci-esdhc-imx53.2");
|
|
clk_register_clkdev(clk[esdhc4_ipg_gate], "ipg", "sdhci-esdhc-imx53.3");
|
|
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.3");
|
|
clk_register_clkdev(clk[esdhc4_per_gate], "per", "sdhci-esdhc-imx53.3");
|
|
clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "63fcc000.ssi");
|
|
clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "50014000.ssi");
|
|
clk_register_clkdev(clk[ssi3_ipg_gate], NULL, "63fd0000.ssi");
|
|
|
|
/* set SDHC root clock to 200MHZ*/
|
|
clk_set_rate(clk[esdhc_a_podf], 200000000);
|
|
clk_set_rate(clk[esdhc_b_podf], 200000000);
|
|
|
|
/* System timer */
|
|
mxc_timer_init(NULL, MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR),
|
|
MX53_INT_GPT);
|
|
|
|
clk_prepare_enable(clk[iim_gate]);
|
|
imx_print_silicon_rev("i.MX53", mx53_revision());
|
|
clk_disable_unprepare(clk[iim_gate]);
|
|
|
|
r = clk_round_rate(clk[usboh3_per_gate], 54000000);
|
|
clk_set_rate(clk[usboh3_per_gate], r);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_OF
|
|
static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc,
|
|
unsigned long *ckih1, unsigned long *ckih2)
|
|
{
|
|
struct device_node *np;
|
|
|
|
/* retrieve the freqency of fixed clocks from device tree */
|
|
for_each_compatible_node(np, NULL, "fixed-clock") {
|
|
u32 rate;
|
|
if (of_property_read_u32(np, "clock-frequency", &rate))
|
|
continue;
|
|
|
|
if (of_device_is_compatible(np, "fsl,imx-ckil"))
|
|
*ckil = rate;
|
|
else if (of_device_is_compatible(np, "fsl,imx-osc"))
|
|
*osc = rate;
|
|
else if (of_device_is_compatible(np, "fsl,imx-ckih1"))
|
|
*ckih1 = rate;
|
|
else if (of_device_is_compatible(np, "fsl,imx-ckih2"))
|
|
*ckih2 = rate;
|
|
}
|
|
}
|
|
|
|
int __init mx51_clocks_init_dt(void)
|
|
{
|
|
unsigned long ckil, osc, ckih1, ckih2;
|
|
|
|
clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
|
|
return mx51_clocks_init(ckil, osc, ckih1, ckih2);
|
|
}
|
|
|
|
int __init mx53_clocks_init_dt(void)
|
|
{
|
|
unsigned long ckil, osc, ckih1, ckih2;
|
|
|
|
clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
|
|
return mx53_clocks_init(ckil, osc, ckih1, ckih2);
|
|
}
|
|
#endif
|