diff options
Diffstat (limited to 'drivers/clk/imx/clk-imx25.c')
| -rw-r--r-- | drivers/clk/imx/clk-imx25.c | 70 |
1 files changed, 29 insertions, 41 deletions
diff --git a/drivers/clk/imx/clk-imx25.c b/drivers/clk/imx/clk-imx25.c index ce4fbed68c..cbaca348e2 100644 --- a/drivers/clk/imx/clk-imx25.c +++ b/drivers/clk/imx/clk-imx25.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2009 by Sascha Hauer, Pengutronix - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. */ #include <common.h> @@ -23,7 +10,7 @@ #include <io.h> #include <linux/clkdev.h> #include <linux/err.h> -#include <mach/imx25-regs.h> +#include <mach/imx/imx25-regs.h> #include "clk.h" @@ -50,25 +37,25 @@ #define CCM_MCR 0x64 enum mx25_clks { - dummy, osc, mpll, upll, mpll_cpu_3_4, cpu_sel, cpu, ahb, usb_div, ipg, - per0_sel, per1_sel, per2_sel, per3_sel, per4_sel, per5_sel, per6_sel, - per7_sel, per8_sel, per9_sel, per10_sel, per11_sel, per12_sel, - per13_sel, per14_sel, per15_sel, per0, per1, per2, per3, per4, per5, - per6, per7, per8, per9, per10, per11, per12, per13, per14, per15, - csi_ipg_per, epit_ipg_per, esai_ipg_per, esdhc1_ipg_per, esdhc2_ipg_per, - gpt_ipg_per, i2c_ipg_per, lcdc_ipg_per, nfc_ipg_per, owire_ipg_per, - pwm_ipg_per, sim1_ipg_per, sim2_ipg_per, ssi1_ipg_per, ssi2_ipg_per, - uart_ipg_per, ata_ahb, reserved1, csi_ahb, emi_ahb, esai_ahb, esdhc1_ahb, - esdhc2_ahb, fec_ahb, lcdc_ahb, rtic_ahb, sdma_ahb, slcdc_ahb, usbotg_ahb, - reserved2, reserved3, reserved4, reserved5, can1_ipg, can2_ipg, csi_ipg, - cspi1_ipg, cspi2_ipg, cspi3_ipg, dryice_ipg, ect_ipg, epit1_ipg, epit2_ipg, - reserved6, esdhc1_ipg, esdhc2_ipg, fec_ipg, reserved7, reserved8, reserved9, - gpt1_ipg, gpt2_ipg, gpt3_ipg, gpt4_ipg, reserved10, reserved11, reserved12, - iim_ipg, reserved13, reserved14, kpp_ipg, lcdc_ipg, reserved15, pwm1_ipg, - pwm2_ipg, pwm3_ipg, pwm4_ipg, rngb_ipg, reserved16, scc_ipg, sdma_ipg, - sim1_ipg, sim2_ipg, slcdc_ipg, spba_ipg, ssi1_ipg, ssi2_ipg, tsc_ipg, - uart1_ipg, uart2_ipg, uart3_ipg, uart4_ipg, uart5_ipg, reserved17, - wdt_ipg, clk_max + /* 0 */ dummy, osc, mpll, upll, mpll_cpu_3_4, cpu_sel, cpu, ahb, usb_div, ipg, + /* 10 */ per0_sel, per1_sel, per2_sel, per3_sel, per4_sel, per5_sel, per6_sel, + /* 17 */ per7_sel, per8_sel, per9_sel, per10_sel, per11_sel, per12_sel, + /* 23 */ per13_sel, per14_sel, per15_sel, per0, per1, per2, per3, per4, per5, + /* 32 */ per6, per7, per8, per9, per10, per11, per12, per13, per14, per15, + /* 42 */ csi_ipg_per, epit_ipg_per, esai_ipg_per, esdhc1_ipg_per, esdhc2_ipg_per, + /* 47 */ gpt_ipg_per, i2c_ipg_per, lcdc_ipg_per, nfc_ipg_per, owire_ipg_per, + /* 52 */ pwm_ipg_per, sim1_ipg_per, sim2_ipg_per, ssi1_ipg_per, ssi2_ipg_per, + /* 57 */ uart_ipg_per, ata_ahb, reserved1, csi_ahb, emi_ahb, esai_ahb, esdhc1_ahb, + /* 64 */ esdhc2_ahb, fec_ahb, lcdc_ahb, rtic_ahb, sdma_ahb, slcdc_ahb, usbotg_ahb, + /* 71 */ reserved2, reserved3, reserved4, reserved5, can1_ipg, can2_ipg, csi_ipg, + /* 78 */ cspi1_ipg, cspi2_ipg, cspi3_ipg, dryice_ipg, ect_ipg, epit1_ipg, epit2_ipg, + /* 85 */ reserved6, esdhc1_ipg, esdhc2_ipg, fec_ipg, reserved7, reserved8, reserved9, + /* 92 */ gpt1_ipg, gpt2_ipg, gpt3_ipg, gpt4_ipg, reserved10, reserved11, reserved12, + /* 99 */ iim_ipg, reserved13, reserved14, kpp_ipg, lcdc_ipg, reserved15, pwm1_ipg, + /* 106 */ pwm2_ipg, pwm3_ipg, pwm4_ipg, rngb_ipg, reserved16, scc_ipg, sdma_ipg, + /* 113 */ sim1_ipg, sim2_ipg, slcdc_ipg, spba_ipg, ssi1_ipg, ssi2_ipg, tsc_ipg, + /* 120 */ uart1_ipg, uart2_ipg, uart3_ipg, uart4_ipg, uart5_ipg, reserved17, + /* 126 */ wdt_ipg, clk_max }; static struct clk *clks[clk_max]; @@ -83,7 +70,7 @@ static const char *per_sel_clks[] = { "upll", }; -static int imx25_ccm_probe(struct device_d *dev) +static int imx25_ccm_probe(struct device *dev) { struct resource *iores; void __iomem *base; @@ -156,6 +143,9 @@ static int imx25_ccm_probe(struct device_d *dev) clks[rngb_ipg] = imx_clk_gate("rngb_ipg", "ipg", base + CCM_CGCR2, 3); clks[dryice_ipg] = imx_clk_gate("dryice_ipg", "ipg", base + CCM_CGCR1, 8); + /* reserved in datasheet, but used as wdt in FSL kernel */ + clks[wdt_ipg] = imx_clk_gate("wdt_ipg", "ipg", base + CCM_CGCR2, 19); + clkdev_add_physbase(clks[per15], MX25_UART1_BASE_ADDR, NULL); clkdev_add_physbase(clks[per15], MX25_UART2_BASE_ADDR, NULL); clkdev_add_physbase(clks[per15], MX25_UART3_BASE_ADDR, NULL); @@ -181,6 +171,7 @@ static int imx25_ccm_probe(struct device_d *dev) clkdev_add_physbase(clks[scc_ipg], MX25_SCC_BASE_ADDR, "ipg"); clkdev_add_physbase(clks[rngb_ipg], MX25_RNGB_BASE_ADDR, "ipg"); clkdev_add_physbase(clks[dryice_ipg], MX25_DRYICE_BASE_ADDR, NULL); + clkdev_add_physbase(clks[wdt_ipg], MX25_WATCHDOG_BASE_ADDR, NULL); return 0; } @@ -192,15 +183,12 @@ static __maybe_unused struct of_device_id imx25_ccm_dt_ids[] = { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, imx25_ccm_dt_ids); -static struct driver_d imx25_ccm_driver = { +static struct driver imx25_ccm_driver = { .probe = imx25_ccm_probe, .name = "imx25-ccm", .of_compatible = DRV_OF_COMPAT(imx25_ccm_dt_ids), }; -static int imx25_ccm_init(void) -{ - return platform_driver_register(&imx25_ccm_driver); -} -core_initcall(imx25_ccm_init); +core_platform_driver(imx25_ccm_driver); |