diff options
Diffstat (limited to 'arch/arm/mach-imx/clk-imx1.c')
-rw-r--r-- | arch/arm/mach-imx/clk-imx1.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/arch/arm/mach-imx/clk-imx1.c b/arch/arm/mach-imx/clk-imx1.c deleted file mode 100644 index 5f600a9da3..0000000000 --- a/arch/arm/mach-imx/clk-imx1.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (C) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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 St, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#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/imx1-regs.h> - -#include "clk.h" - -#define CCM_CSCR 0x0 -#define CCM_MPCTL0 0x4 -#define CCM_SPCTL0 0xc -#define CCM_PCDR 0x20 - -enum imx1_clks { - dummy, clk32, clk16m, clk32_premult, prem, mpll, spll, mcu, - fclk, hclk, clk48m, per1, per2, per3, clko, dma_gate, csi_gate, - mma_gate, usbd_gate, clk_max -}; - -static struct clk *clks[clk_max]; - -static const char *prem_sel_clks[] = { - "clk32_premult", - "clk16m", -}; - -static const char *clko_sel_clks[] = { - "per1", - "hclk", - "clk48m", - "clk16m", - "prem", - "fclk", -}; - -int __init mx1_clocks_init(void __iomem *regs, unsigned long fref) -{ - clks[dummy] = clk_fixed("dummy", 0); - clks[clk32] = clk_fixed("clk32", fref); - clks[clk16m] = clk_fixed("clk16m", 16000000); - clks[clk32_premult] = imx_clk_fixed_factor("clk32_premult", "clk32", 512, 1); - clks[prem] = imx_clk_mux("prem", regs + CCM_CSCR, 16, 1, prem_sel_clks, - ARRAY_SIZE(prem_sel_clks)); - clks[mpll] = imx_clk_pllv1("mpll", "clk32_premult", regs + CCM_MPCTL0); - clks[spll] = imx_clk_pllv1("spll", "prem", regs + CCM_SPCTL0); - clks[mcu] = imx_clk_divider("mcu", "clk32_premult", regs + CCM_CSCR, 15, 1); - clks[fclk] = imx_clk_divider("fclk", "mpll", regs + CCM_CSCR, 15, 1); - clks[hclk] = imx_clk_divider("hclk", "spll", regs + CCM_CSCR, 10, 4); - clks[clk48m] = imx_clk_divider("clk48m", "spll", regs + CCM_CSCR, 26, 3); - clks[per1] = imx_clk_divider("per1", "spll", regs + CCM_PCDR, 0, 4); - clks[per2] = imx_clk_divider("per2", "spll", regs + CCM_PCDR, 4, 4); - clks[per3] = imx_clk_divider("per3", "spll", regs + CCM_PCDR, 16, 7); - clks[clko] = imx_clk_mux("clko", regs + CCM_CSCR, 29, 3, clko_sel_clks, - ARRAY_SIZE(clko_sel_clks)); - - clkdev_add_physbase(clks[per1], MX1_TIM1_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per1], MX1_TIM2_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per2], MX1_LCDC_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per1], MX1_UART1_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per1], MX1_UART2_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per2], MX1_CSPI1_BASE_ADDR, NULL); - clkdev_add_physbase(clks[per2], MX1_CSPI2_BASE_ADDR, NULL); - clkdev_add_physbase(clks[hclk], MX1_I2C_BASE_ADDR, NULL); - - return 0; -} - -static int imx1_ccm_probe(struct device_d *dev) -{ - struct resource *iores; - void __iomem *regs; - - iores = dev_request_mem_resource(dev, 0); - if (IS_ERR(iores)) - return PTR_ERR(iores); - regs = IOMEM(iores->start); - - mx1_clocks_init(regs, 32000); - - return 0; -} - -static __maybe_unused struct of_device_id imx1_ccm_dt_ids[] = { - { - .compatible = "fsl,imx1-ccm", - }, { - /* sentinel */ - } -}; - -static struct driver_d imx1_ccm_driver = { - .probe = imx1_ccm_probe, - .name = "imx1-ccm", - .of_compatible = DRV_OF_COMPAT(imx1_ccm_dt_ids), -}; - -static int imx1_ccm_init(void) -{ - return platform_driver_register(&imx1_ccm_driver); -} -core_initcall(imx1_ccm_init); |