diff options
Diffstat (limited to 'arch/arm/mach-imx/clk-imx31.c')
| -rw-r--r-- | arch/arm/mach-imx/clk-imx31.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c deleted file mode 100644 index 8d135c9a1f..0000000000 --- a/arch/arm/mach-imx/clk-imx31.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright (C) 2012 Sascha Hauer <kernel@pengutronix.de> - * - * 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. - */ - -#include <common.h> -#include <init.h> -#include <driver.h> -#include <linux/clk.h> -#include <io.h> -#include <linux/clkdev.h> -#include <linux/err.h> -#include <mach/imx31-regs.h> - -#include "clk.h" - -/* Register addresses */ -#define CCM_CCMR 0x00 -#define CCM_PDR0 0x04 -#define CCM_PDR1 0x08 -//#define CCM_RCSR 0x0C -#define CCM_MPCTL 0x10 -#define CCM_UPCTL 0x14 -#define CCM_SRPCTL 0x18 -#define CCM_COSR 0x1C -#define CCM_CGR0 0x20 -#define CCM_CGR1 0x24 -#define CCM_CGR2 0x28 -#define CCM_WIMR 0x2C -#define CCM_LDC 0x30 -#define CCM_DCVR0 0x34 -#define CCM_DCVR1 0x38 -#define CCM_DCVR2 0x3C -#define CCM_DCVR3 0x40 -#define CCM_LTR0 0x44 -#define CCM_LTR1 0x48 -#define CCM_LTR2 0x4C -#define CCM_LTR3 0x50 -#define CCM_LTBR0 0x54 -#define CCM_LTBR1 0x58 -#define CCM_PMCR0 0x5C -#define CCM_PMCR1 0x60 -#define CCM_PDR2 0x64 - -enum mx31_clks { - ckih, ckil, mpll, spll, upll, mcu_main, hsp, ahb, nfc, ipg, per_div, - per, csi, fir, csi_div, usb_div_pre, usb_div_post, fir_div_pre, - fir_div_post, sdhc1_gate, sdhc2_gate, gpt_gate, epit1_gate, epit2_gate, - iim_gate, ata_gate, sdma_gate, cspi3_gate, rng_gate, uart1_gate, - uart2_gate, ssi1_gate, i2c1_gate, i2c2_gate, i2c3_gate, hantro_gate, - mstick1_gate, mstick2_gate, csi_gate, rtc_gate, wdog_gate, pwm_gate, - sim_gate, ect_gate, usb_gate, kpp_gate, ipu_gate, uart3_gate, - uart4_gate, uart5_gate, owire_gate, ssi2_gate, cspi1_gate, cspi2_gate, - gacc_gate, emi_gate, rtic_gate, firi_gate, clk_max -}; - -static struct clk *clks[clk_max]; - -static const char *mcu_main_sel[] = { - "spll", - "mpll", -}; - -static const char *per_sel[] = { - "per_div", - "ipg", -}; - -static int imx31_ccm_probe(struct device_d *dev) -{ - struct resource *iores; - void __iomem *base; - - iores = dev_request_mem_resource(dev, 0); - if (IS_ERR(iores)) - return PTR_ERR(iores); - base = IOMEM(iores->start); - - writel(0xffffffff, base + CCM_CGR0); - writel(0xffffffff, base + CCM_CGR1); - writel(0xffffffff, base + CCM_CGR2); - - clks[ckih] = clk_fixed("ckih", 26000000); - clks[ckil] = clk_fixed("ckil", 32768); - clks[mpll] = imx_clk_pllv1("mpll", "ckih", base + CCM_MPCTL); - clks[spll] = imx_clk_pllv1("spll", "ckih", base + CCM_SRPCTL); - clks[upll] = imx_clk_pllv1("upll", "ckih", base + CCM_UPCTL); - clks[mcu_main] = imx_clk_mux("mcu_main", base + CCM_PMCR0, 31, 1, - mcu_main_sel, ARRAY_SIZE(mcu_main_sel)); - clks[hsp] = imx_clk_divider("hsp", "mcu_main", base + CCM_PDR0, 11, 3); - clks[ahb] = imx_clk_divider("ahb", "mcu_main", base + CCM_PDR0, 3, 3); - clks[nfc] = imx_clk_divider("nfc", "ahb", base + CCM_PDR0, 8, 3); - clks[ipg] = imx_clk_divider("ipg", "ahb", base + CCM_PDR0, 6, 2); - clks[per_div] = imx_clk_divider("per_div", "upll", base + CCM_PDR0, 16, 5); - clks[per] = imx_clk_mux("per", base + CCM_CCMR, 24, 1, per_sel, ARRAY_SIZE(per_sel)); - - clkdev_add_physbase(clks[per], MX31_UART1_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_UART2_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_UART3_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_UART4_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_UART5_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_I2C1_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_I2C2_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_I2C3_BASE_ADDR, NULL); - clkdev_add_physbase(clks[ipg], MX31_CSPI1_BASE_ADDR, NULL); - clkdev_add_physbase(clks[ipg], MX31_CSPI2_BASE_ADDR, NULL); - clkdev_add_physbase(clks[ipg], MX31_CSPI3_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_SDHC1_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_SDHC2_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per], MX31_GPT1_BASE_ADDR, NULL); - clkdev_add_physbase(clks[hsp], MX31_IPU_CTRL_BASE_ADDR, NULL); - - return 0; -} - -static __maybe_unused struct of_device_id imx31_ccm_dt_ids[] = { - { - .compatible = "fsl,imx31-ccm", - }, { - /* sentinel */ - } -}; - -static struct driver_d imx31_ccm_driver = { - .probe = imx31_ccm_probe, - .name = "imx31-ccm", - .of_compatible = DRV_OF_COMPAT(imx31_ccm_dt_ids), -}; - -static int imx31_ccm_init(void) -{ - return platform_driver_register(&imx31_ccm_driver); -} -core_initcall(imx31_ccm_init); |