diff options
Diffstat (limited to 'arch/arm/mach-imx/clk-imx27.c')
| -rw-r--r-- | arch/arm/mach-imx/clk-imx27.c | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c deleted file mode 100644 index c3cfa4116dc0..000000000000 --- a/arch/arm/mach-imx/clk-imx27.c +++ /dev/null @@ -1,316 +0,0 @@ -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/module.h> -#include <linux/clkdev.h> -#include <linux/err.h> -#include <linux/clk-provider.h> -#include <linux/of.h> - -#include "clk.h" -#include "common.h" -#include "hardware.h" - -#define IO_ADDR_CCM(off) (MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR + (off))) - -/* Register offsets */ -#define CCM_CSCR IO_ADDR_CCM(0x0) -#define CCM_MPCTL0 IO_ADDR_CCM(0x4) -#define CCM_MPCTL1 IO_ADDR_CCM(0x8) -#define CCM_SPCTL0 IO_ADDR_CCM(0xc) -#define CCM_SPCTL1 IO_ADDR_CCM(0x10) -#define CCM_OSC26MCTL IO_ADDR_CCM(0x14) -#define CCM_PCDR0 IO_ADDR_CCM(0x18) -#define CCM_PCDR1 IO_ADDR_CCM(0x1c) -#define CCM_PCCR0 IO_ADDR_CCM(0x20) -#define CCM_PCCR1 IO_ADDR_CCM(0x24) -#define CCM_CCSR IO_ADDR_CCM(0x28) -#define CCM_PMCTL IO_ADDR_CCM(0x2c) -#define CCM_PMCOUNT IO_ADDR_CCM(0x30) -#define CCM_WKGDCTL IO_ADDR_CCM(0x34) - -#define CCM_CSCR_UPDATE_DIS (1 << 31) -#define CCM_CSCR_SSI2 (1 << 23) -#define CCM_CSCR_SSI1 (1 << 22) -#define CCM_CSCR_VPU (1 << 21) -#define CCM_CSCR_MSHC (1 << 20) -#define CCM_CSCR_SPLLRES (1 << 19) -#define CCM_CSCR_MPLLRES (1 << 18) -#define CCM_CSCR_SP (1 << 17) -#define CCM_CSCR_MCU (1 << 16) -#define CCM_CSCR_OSC26MDIV (1 << 4) -#define CCM_CSCR_OSC26M (1 << 3) -#define CCM_CSCR_FPM (1 << 2) -#define CCM_CSCR_SPEN (1 << 1) -#define CCM_CSCR_MPEN (1 << 0) - -/* i.MX27 TO 2+ */ -#define CCM_CSCR_ARM_SRC (1 << 15) - -#define CCM_SPCTL1_LF (1 << 15) -#define CCM_SPCTL1_BRMO (1 << 6) - -static const char *vpu_sel_clks[] = { "spll", "mpll_main2", }; -static const char *cpu_sel_clks[] = { "mpll_main2", "mpll", }; -static const char *mpll_sel_clks[] = { "fpm", "mpll_osc_sel", }; -static const char *mpll_osc_sel_clks[] = { "ckih", "ckih_div1p5", }; -static const char *clko_sel_clks[] = { - "ckil", "fpm", "ckih", "ckih", - "ckih", "mpll", "spll", "cpu_div", - "ahb", "ipg", "per1_div", "per2_div", - "per3_div", "per4_div", "ssi1_div", "ssi2_div", - "nfc_div", "mshc_div", "vpu_div", "60m", - "32k", "usb_div", "dptc", -}; - -static const char *ssi_sel_clks[] = { "spll_gate", "mpll", }; - -enum mx27_clks { - dummy, ckih, ckil, mpll, spll, mpll_main2, ahb, ipg, nfc_div, per1_div, - per2_div, per3_div, per4_div, vpu_sel, vpu_div, usb_div, cpu_sel, - clko_sel, cpu_div, clko_div, ssi1_sel, ssi2_sel, ssi1_div, ssi2_div, - clko_en, ssi2_ipg_gate, ssi1_ipg_gate, slcdc_ipg_gate, sdhc3_ipg_gate, - sdhc2_ipg_gate, sdhc1_ipg_gate, scc_ipg_gate, sahara_ipg_gate, - rtc_ipg_gate, pwm_ipg_gate, owire_ipg_gate, lcdc_ipg_gate, - kpp_ipg_gate, iim_ipg_gate, i2c2_ipg_gate, i2c1_ipg_gate, - gpt6_ipg_gate, gpt5_ipg_gate, gpt4_ipg_gate, gpt3_ipg_gate, - gpt2_ipg_gate, gpt1_ipg_gate, gpio_ipg_gate, fec_ipg_gate, - emma_ipg_gate, dma_ipg_gate, cspi3_ipg_gate, cspi2_ipg_gate, - cspi1_ipg_gate, nfc_baud_gate, ssi2_baud_gate, ssi1_baud_gate, - vpu_baud_gate, per4_gate, per3_gate, per2_gate, per1_gate, - usb_ahb_gate, slcdc_ahb_gate, sahara_ahb_gate, lcdc_ahb_gate, - vpu_ahb_gate, fec_ahb_gate, emma_ahb_gate, emi_ahb_gate, dma_ahb_gate, - csi_ahb_gate, brom_ahb_gate, ata_ahb_gate, wdog_ipg_gate, usb_ipg_gate, - uart6_ipg_gate, uart5_ipg_gate, uart4_ipg_gate, uart3_ipg_gate, - uart2_ipg_gate, uart1_ipg_gate, ckih_div1p5, fpm, mpll_osc_sel, - mpll_sel, spll_gate, clk_max -}; - -static struct clk *clk[clk_max]; -static struct clk_onecell_data clk_data; - -int __init mx27_clocks_init(unsigned long fref) -{ - int i; - struct device_node *np; - - clk[dummy] = imx_clk_fixed("dummy", 0); - clk[ckih] = imx_clk_fixed("ckih", fref); - clk[ckil] = imx_clk_fixed("ckil", 32768); - clk[fpm] = imx_clk_fixed_factor("fpm", "ckil", 1024, 1); - clk[ckih_div1p5] = imx_clk_fixed_factor("ckih_div1p5", "ckih", 2, 3); - - clk[mpll_osc_sel] = imx_clk_mux("mpll_osc_sel", CCM_CSCR, 4, 1, - mpll_osc_sel_clks, - ARRAY_SIZE(mpll_osc_sel_clks)); - clk[mpll_sel] = imx_clk_mux("mpll_sel", CCM_CSCR, 16, 1, mpll_sel_clks, - ARRAY_SIZE(mpll_sel_clks)); - clk[mpll] = imx_clk_pllv1("mpll", "mpll_sel", CCM_MPCTL0); - clk[spll] = imx_clk_pllv1("spll", "ckih", CCM_SPCTL0); - clk[spll_gate] = imx_clk_gate("spll_gate", "spll", CCM_CSCR, 1); - clk[mpll_main2] = imx_clk_fixed_factor("mpll_main2", "mpll", 2, 3); - - if (mx27_revision() >= IMX_CHIP_REVISION_2_0) { - clk[ahb] = imx_clk_divider("ahb", "mpll_main2", CCM_CSCR, 8, 2); - clk[ipg] = imx_clk_fixed_factor("ipg", "ahb", 1, 2); - } else { - clk[ahb] = imx_clk_divider("ahb", "mpll_main2", CCM_CSCR, 9, 4); - clk[ipg] = imx_clk_divider("ipg", "ahb", CCM_CSCR, 8, 1); - } - - clk[nfc_div] = imx_clk_divider("nfc_div", "ahb", CCM_PCDR0, 6, 4); - clk[per1_div] = imx_clk_divider("per1_div", "mpll_main2", CCM_PCDR1, 0, 6); - clk[per2_div] = imx_clk_divider("per2_div", "mpll_main2", CCM_PCDR1, 8, 6); - clk[per3_div] = imx_clk_divider("per3_div", "mpll_main2", CCM_PCDR1, 16, 6); - clk[per4_div] = imx_clk_divider("per4_div", "mpll_main2", CCM_PCDR1, 24, 6); - clk[vpu_sel] = imx_clk_mux("vpu_sel", CCM_CSCR, 21, 1, vpu_sel_clks, ARRAY_SIZE(vpu_sel_clks)); - clk[vpu_div] = imx_clk_divider("vpu_div", "vpu_sel", CCM_PCDR0, 10, 6); - clk[usb_div] = imx_clk_divider("usb_div", "spll_gate", CCM_CSCR, 28, 3); - clk[cpu_sel] = imx_clk_mux("cpu_sel", CCM_CSCR, 15, 1, cpu_sel_clks, ARRAY_SIZE(cpu_sel_clks)); - clk[clko_sel] = imx_clk_mux("clko_sel", CCM_CCSR, 0, 5, clko_sel_clks, ARRAY_SIZE(clko_sel_clks)); - if (mx27_revision() >= IMX_CHIP_REVISION_2_0) - clk[cpu_div] = imx_clk_divider("cpu_div", "cpu_sel", CCM_CSCR, 12, 2); - else - clk[cpu_div] = imx_clk_divider("cpu_div", "cpu_sel", CCM_CSCR, 13, 3); - clk[clko_div] = imx_clk_divider("clko_div", "clko_sel", CCM_PCDR0, 22, 3); - clk[ssi1_sel] = imx_clk_mux("ssi1_sel", CCM_CSCR, 22, 1, ssi_sel_clks, ARRAY_SIZE(ssi_sel_clks)); - clk[ssi2_sel] = imx_clk_mux("ssi2_sel", CCM_CSCR, 23, 1, ssi_sel_clks, ARRAY_SIZE(ssi_sel_clks)); - clk[ssi1_div] = imx_clk_divider("ssi1_div", "ssi1_sel", CCM_PCDR0, 16, 6); - clk[ssi2_div] = imx_clk_divider("ssi2_div", "ssi2_sel", CCM_PCDR0, 26, 6); - clk[clko_en] = imx_clk_gate("clko_en", "clko_div", CCM_PCCR0, 0); - clk[ssi2_ipg_gate] = imx_clk_gate("ssi2_ipg_gate", "ipg", CCM_PCCR0, 0); - clk[ssi1_ipg_gate] = imx_clk_gate("ssi1_ipg_gate", "ipg", CCM_PCCR0, 1); - clk[slcdc_ipg_gate] = imx_clk_gate("slcdc_ipg_gate", "ipg", CCM_PCCR0, 2); - clk[sdhc3_ipg_gate] = imx_clk_gate("sdhc3_ipg_gate", "ipg", CCM_PCCR0, 3); - clk[sdhc2_ipg_gate] = imx_clk_gate("sdhc2_ipg_gate", "ipg", CCM_PCCR0, 4); - clk[sdhc1_ipg_gate] = imx_clk_gate("sdhc1_ipg_gate", "ipg", CCM_PCCR0, 5); - clk[scc_ipg_gate] = imx_clk_gate("scc_ipg_gate", "ipg", CCM_PCCR0, 6); - clk[sahara_ipg_gate] = imx_clk_gate("sahara_ipg_gate", "ipg", CCM_PCCR0, 7); - clk[rtc_ipg_gate] = imx_clk_gate("rtc_ipg_gate", "ipg", CCM_PCCR0, 9); - clk[pwm_ipg_gate] = imx_clk_gate("pwm_ipg_gate", "ipg", CCM_PCCR0, 11); - clk[owire_ipg_gate] = imx_clk_gate("owire_ipg_gate", "ipg", CCM_PCCR0, 12); - clk[lcdc_ipg_gate] = imx_clk_gate("lcdc_ipg_gate", "ipg", CCM_PCCR0, 14); - clk[kpp_ipg_gate] = imx_clk_gate("kpp_ipg_gate", "ipg", CCM_PCCR0, 15); - clk[iim_ipg_gate] = imx_clk_gate("iim_ipg_gate", "ipg", CCM_PCCR0, 16); - clk[i2c2_ipg_gate] = imx_clk_gate("i2c2_ipg_gate", "ipg", CCM_PCCR0, 17); - clk[i2c1_ipg_gate] = imx_clk_gate("i2c1_ipg_gate", "ipg", CCM_PCCR0, 18); - clk[gpt6_ipg_gate] = imx_clk_gate("gpt6_ipg_gate", "ipg", CCM_PCCR0, 19); - clk[gpt5_ipg_gate] = imx_clk_gate("gpt5_ipg_gate", "ipg", CCM_PCCR0, 20); - clk[gpt4_ipg_gate] = imx_clk_gate("gpt4_ipg_gate", "ipg", CCM_PCCR0, 21); - clk[gpt3_ipg_gate] = imx_clk_gate("gpt3_ipg_gate", "ipg", CCM_PCCR0, 22); - clk[gpt2_ipg_gate] = imx_clk_gate("gpt2_ipg_gate", "ipg", CCM_PCCR0, 23); - clk[gpt1_ipg_gate] = imx_clk_gate("gpt1_ipg_gate", "ipg", CCM_PCCR0, 24); - clk[gpio_ipg_gate] = imx_clk_gate("gpio_ipg_gate", "ipg", CCM_PCCR0, 25); - clk[fec_ipg_gate] = imx_clk_gate("fec_ipg_gate", "ipg", CCM_PCCR0, 26); - clk[emma_ipg_gate] = imx_clk_gate("emma_ipg_gate", "ipg", CCM_PCCR0, 27); - clk[dma_ipg_gate] = imx_clk_gate("dma_ipg_gate", "ipg", CCM_PCCR0, 28); - clk[cspi3_ipg_gate] = imx_clk_gate("cspi3_ipg_gate", "ipg", CCM_PCCR0, 29); - clk[cspi2_ipg_gate] = imx_clk_gate("cspi2_ipg_gate", "ipg", CCM_PCCR0, 30); - clk[cspi1_ipg_gate] = imx_clk_gate("cspi1_ipg_gate", "ipg", CCM_PCCR0, 31); - clk[nfc_baud_gate] = imx_clk_gate("nfc_baud_gate", "nfc_div", CCM_PCCR1, 3); - clk[ssi2_baud_gate] = imx_clk_gate("ssi2_baud_gate", "ssi2_div", CCM_PCCR1, 4); - clk[ssi1_baud_gate] = imx_clk_gate("ssi1_baud_gate", "ssi1_div", CCM_PCCR1, 5); - clk[vpu_baud_gate] = imx_clk_gate("vpu_baud_gate", "vpu_div", CCM_PCCR1, 6); - clk[per4_gate] = imx_clk_gate("per4_gate", "per4_div", CCM_PCCR1, 7); - clk[per3_gate] = imx_clk_gate("per3_gate", "per3_div", CCM_PCCR1, 8); - clk[per2_gate] = imx_clk_gate("per2_gate", "per2_div", CCM_PCCR1, 9); - clk[per1_gate] = imx_clk_gate("per1_gate", "per1_div", CCM_PCCR1, 10); - clk[usb_ahb_gate] = imx_clk_gate("usb_ahb_gate", "ahb", CCM_PCCR1, 11); - clk[slcdc_ahb_gate] = imx_clk_gate("slcdc_ahb_gate", "ahb", CCM_PCCR1, 12); - clk[sahara_ahb_gate] = imx_clk_gate("sahara_ahb_gate", "ahb", CCM_PCCR1, 13); - clk[lcdc_ahb_gate] = imx_clk_gate("lcdc_ahb_gate", "ahb", CCM_PCCR1, 15); - clk[vpu_ahb_gate] = imx_clk_gate("vpu_ahb_gate", "ahb", CCM_PCCR1, 16); - clk[fec_ahb_gate] = imx_clk_gate("fec_ahb_gate", "ahb", CCM_PCCR1, 17); - clk[emma_ahb_gate] = imx_clk_gate("emma_ahb_gate", "ahb", CCM_PCCR1, 18); - clk[emi_ahb_gate] = imx_clk_gate("emi_ahb_gate", "ahb", CCM_PCCR1, 19); - clk[dma_ahb_gate] = imx_clk_gate("dma_ahb_gate", "ahb", CCM_PCCR1, 20); - clk[csi_ahb_gate] = imx_clk_gate("csi_ahb_gate", "ahb", CCM_PCCR1, 21); - clk[brom_ahb_gate] = imx_clk_gate("brom_ahb_gate", "ahb", CCM_PCCR1, 22); - clk[ata_ahb_gate] = imx_clk_gate("ata_ahb_gate", "ahb", CCM_PCCR1, 23); - clk[wdog_ipg_gate] = imx_clk_gate("wdog_ipg_gate", "ipg", CCM_PCCR1, 24); - clk[usb_ipg_gate] = imx_clk_gate("usb_ipg_gate", "ipg", CCM_PCCR1, 25); - clk[uart6_ipg_gate] = imx_clk_gate("uart6_ipg_gate", "ipg", CCM_PCCR1, 26); - clk[uart5_ipg_gate] = imx_clk_gate("uart5_ipg_gate", "ipg", CCM_PCCR1, 27); - clk[uart4_ipg_gate] = imx_clk_gate("uart4_ipg_gate", "ipg", CCM_PCCR1, 28); - clk[uart3_ipg_gate] = imx_clk_gate("uart3_ipg_gate", "ipg", CCM_PCCR1, 29); - clk[uart2_ipg_gate] = imx_clk_gate("uart2_ipg_gate", "ipg", CCM_PCCR1, 30); - clk[uart1_ipg_gate] = imx_clk_gate("uart1_ipg_gate", "ipg", CCM_PCCR1, 31); - - for (i = 0; i < ARRAY_SIZE(clk); i++) - if (IS_ERR(clk[i])) - pr_err("i.MX27 clk %d: register failed with %ld\n", - i, PTR_ERR(clk[i])); - - np = of_find_compatible_node(NULL, NULL, "fsl,imx27-ccm"); - if (np) { - clk_data.clks = clk; - clk_data.clk_num = ARRAY_SIZE(clk); - of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); - } - - clk_register_clkdev(clk[uart1_ipg_gate], "ipg", "imx21-uart.0"); - clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.0"); - clk_register_clkdev(clk[uart2_ipg_gate], "ipg", "imx21-uart.1"); - clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.1"); - clk_register_clkdev(clk[uart3_ipg_gate], "ipg", "imx21-uart.2"); - clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.2"); - clk_register_clkdev(clk[uart4_ipg_gate], "ipg", "imx21-uart.3"); - clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.3"); - clk_register_clkdev(clk[uart5_ipg_gate], "ipg", "imx21-uart.4"); - clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.4"); - clk_register_clkdev(clk[uart6_ipg_gate], "ipg", "imx21-uart.5"); - clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.5"); - clk_register_clkdev(clk[gpt1_ipg_gate], "ipg", "imx-gpt.0"); - clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.0"); - clk_register_clkdev(clk[gpt2_ipg_gate], "ipg", "imx-gpt.1"); - clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.1"); - clk_register_clkdev(clk[gpt3_ipg_gate], "ipg", "imx-gpt.2"); - clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.2"); - clk_register_clkdev(clk[gpt4_ipg_gate], "ipg", "imx-gpt.3"); - clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.3"); - clk_register_clkdev(clk[gpt5_ipg_gate], "ipg", "imx-gpt.4"); - clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.4"); - clk_register_clkdev(clk[gpt6_ipg_gate], "ipg", "imx-gpt.5"); - clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.5"); - clk_register_clkdev(clk[pwm_ipg_gate], NULL, "mxc_pwm.0"); - clk_register_clkdev(clk[per2_gate], "per", "imx21-mmc.0"); - clk_register_clkdev(clk[sdhc1_ipg_gate], "ipg", "imx21-mmc.0"); - clk_register_clkdev(clk[per2_gate], "per", "imx21-mmc.1"); - clk_register_clkdev(clk[sdhc2_ipg_gate], "ipg", "imx21-mmc.1"); - clk_register_clkdev(clk[per2_gate], "per", "imx21-mmc.2"); - clk_register_clkdev(clk[sdhc2_ipg_gate], "ipg", "imx21-mmc.2"); - clk_register_clkdev(clk[per2_gate], "per", "imx27-cspi.0"); - clk_register_clkdev(clk[cspi1_ipg_gate], "ipg", "imx27-cspi.0"); - clk_register_clkdev(clk[per2_gate], "per", "imx27-cspi.1"); - clk_register_clkdev(clk[cspi2_ipg_gate], "ipg", "imx27-cspi.1"); - clk_register_clkdev(clk[per2_gate], "per", "imx27-cspi.2"); - clk_register_clkdev(clk[cspi3_ipg_gate], "ipg", "imx27-cspi.2"); - clk_register_clkdev(clk[per3_gate], "per", "imx21-fb.0"); - clk_register_clkdev(clk[lcdc_ipg_gate], "ipg", "imx21-fb.0"); - clk_register_clkdev(clk[lcdc_ahb_gate], "ahb", "imx21-fb.0"); - clk_register_clkdev(clk[csi_ahb_gate], "ahb", "imx27-camera.0"); - clk_register_clkdev(clk[per4_gate], "per", "imx27-camera.0"); - clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27"); - clk_register_clkdev(clk[usb_ipg_gate], "ipg", "imx-udc-mx27"); - clk_register_clkdev(clk[usb_ahb_gate], "ahb", "imx-udc-mx27"); - clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0"); - clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.0"); - clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.0"); - clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.1"); - clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.1"); - clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.1"); - clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2"); - clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.2"); - clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.2"); - 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[nfc_baud_gate], NULL, "imx27-nand.0"); - clk_register_clkdev(clk[vpu_baud_gate], "per", "coda-imx27.0"); - clk_register_clkdev(clk[vpu_ahb_gate], "ahb", "coda-imx27.0"); - clk_register_clkdev(clk[dma_ahb_gate], "ahb", "imx27-dma"); - clk_register_clkdev(clk[dma_ipg_gate], "ipg", "imx27-dma"); - clk_register_clkdev(clk[fec_ipg_gate], "ipg", "imx27-fec.0"); - clk_register_clkdev(clk[fec_ahb_gate], "ahb", "imx27-fec.0"); - clk_register_clkdev(clk[wdog_ipg_gate], NULL, "imx2-wdt.0"); - clk_register_clkdev(clk[i2c1_ipg_gate], NULL, "imx21-i2c.0"); - clk_register_clkdev(clk[i2c2_ipg_gate], NULL, "imx21-i2c.1"); - clk_register_clkdev(clk[owire_ipg_gate], NULL, "mxc_w1.0"); - clk_register_clkdev(clk[kpp_ipg_gate], NULL, "imx-keypad"); - clk_register_clkdev(clk[emma_ahb_gate], "emma-ahb", "imx27-camera.0"); - clk_register_clkdev(clk[emma_ipg_gate], "emma-ipg", "imx27-camera.0"); - clk_register_clkdev(clk[emma_ahb_gate], "ahb", "m2m-emmaprp.0"); - clk_register_clkdev(clk[emma_ipg_gate], "ipg", "m2m-emmaprp.0"); - clk_register_clkdev(clk[iim_ipg_gate], "iim", NULL); - clk_register_clkdev(clk[gpio_ipg_gate], "gpio", NULL); - clk_register_clkdev(clk[brom_ahb_gate], "brom", NULL); - clk_register_clkdev(clk[ata_ahb_gate], "ata", NULL); - clk_register_clkdev(clk[rtc_ipg_gate], NULL, "imx21-rtc"); - clk_register_clkdev(clk[scc_ipg_gate], "scc", NULL); - clk_register_clkdev(clk[cpu_div], NULL, "cpufreq-cpu0.0"); - clk_register_clkdev(clk[emi_ahb_gate], "emi_ahb" , NULL); - - mxc_timer_init(MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR), MX27_INT_GPT1); - - clk_prepare_enable(clk[emi_ahb_gate]); - - imx_print_silicon_rev("i.MX27", mx27_revision()); - - return 0; -} - -#ifdef CONFIG_OF -int __init mx27_clocks_init_dt(void) -{ - struct device_node *np; - u32 fref = 26000000; /* default */ - - for_each_compatible_node(np, NULL, "fixed-clock") { - if (!of_device_is_compatible(np, "fsl,imx-osc26m")) - continue; - - if (!of_property_read_u32(np, "clock-frequency", &fref)) - break; - } - - return mx27_clocks_init(fref); -} -#endif |
