| /* |
| * OMAP2 Clock init |
| * |
| * Copyright (C) 2013 Texas Instruments, Inc |
| * Tero Kristo (t-kristo@ti.com) |
| * |
| * 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 version 2. |
| * |
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any |
| * kind, whether express or implied; without even the implied warranty |
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/list.h> |
| #include <linux/clk.h> |
| #include <linux/clk/ti.h> |
| |
| #include "clock.h" |
| |
| static struct ti_dt_clk omap2xxx_clks[] = { |
| DT_CLK(NULL, "func_32k_ck", "func_32k_ck"), |
| DT_CLK(NULL, "secure_32k_ck", "secure_32k_ck"), |
| DT_CLK(NULL, "virt_12m_ck", "virt_12m_ck"), |
| DT_CLK(NULL, "virt_13m_ck", "virt_13m_ck"), |
| DT_CLK(NULL, "virt_19200000_ck", "virt_19200000_ck"), |
| DT_CLK(NULL, "virt_26m_ck", "virt_26m_ck"), |
| DT_CLK(NULL, "aplls_clkin_ck", "aplls_clkin_ck"), |
| DT_CLK(NULL, "aplls_clkin_x2_ck", "aplls_clkin_x2_ck"), |
| DT_CLK(NULL, "osc_ck", "osc_ck"), |
| DT_CLK(NULL, "sys_ck", "sys_ck"), |
| DT_CLK(NULL, "alt_ck", "alt_ck"), |
| DT_CLK(NULL, "mcbsp_clks", "mcbsp_clks"), |
| DT_CLK(NULL, "dpll_ck", "dpll_ck"), |
| DT_CLK(NULL, "apll96_ck", "apll96_ck"), |
| DT_CLK(NULL, "apll54_ck", "apll54_ck"), |
| DT_CLK(NULL, "func_54m_ck", "func_54m_ck"), |
| DT_CLK(NULL, "core_ck", "core_ck"), |
| DT_CLK(NULL, "func_96m_ck", "func_96m_ck"), |
| DT_CLK(NULL, "func_48m_ck", "func_48m_ck"), |
| DT_CLK(NULL, "func_12m_ck", "func_12m_ck"), |
| DT_CLK(NULL, "sys_clkout_src", "sys_clkout_src"), |
| DT_CLK(NULL, "sys_clkout", "sys_clkout"), |
| DT_CLK(NULL, "emul_ck", "emul_ck"), |
| DT_CLK(NULL, "mpu_ck", "mpu_ck"), |
| DT_CLK(NULL, "dsp_fck", "dsp_fck"), |
| DT_CLK(NULL, "gfx_3d_fck", "gfx_3d_fck"), |
| DT_CLK(NULL, "gfx_2d_fck", "gfx_2d_fck"), |
| DT_CLK(NULL, "gfx_ick", "gfx_ick"), |
| DT_CLK("omapdss_dss", "ick", "dss_ick"), |
| DT_CLK(NULL, "dss_ick", "dss_ick"), |
| DT_CLK(NULL, "dss1_fck", "dss1_fck"), |
| DT_CLK(NULL, "dss2_fck", "dss2_fck"), |
| DT_CLK(NULL, "dss_54m_fck", "dss_54m_fck"), |
| DT_CLK(NULL, "core_l3_ck", "core_l3_ck"), |
| DT_CLK(NULL, "ssi_fck", "ssi_ssr_sst_fck"), |
| DT_CLK(NULL, "usb_l4_ick", "usb_l4_ick"), |
| DT_CLK(NULL, "l4_ck", "l4_ck"), |
| DT_CLK(NULL, "ssi_l4_ick", "ssi_l4_ick"), |
| DT_CLK(NULL, "gpt1_ick", "gpt1_ick"), |
| DT_CLK(NULL, "gpt1_fck", "gpt1_fck"), |
| DT_CLK(NULL, "gpt2_ick", "gpt2_ick"), |
| DT_CLK(NULL, "gpt2_fck", "gpt2_fck"), |
| DT_CLK(NULL, "gpt3_ick", "gpt3_ick"), |
| DT_CLK(NULL, "gpt3_fck", "gpt3_fck"), |
| DT_CLK(NULL, "gpt4_ick", "gpt4_ick"), |
| DT_CLK(NULL, "gpt4_fck", "gpt4_fck"), |
| DT_CLK(NULL, "gpt5_ick", "gpt5_ick"), |
| DT_CLK(NULL, "gpt5_fck", "gpt5_fck"), |
| DT_CLK(NULL, "gpt6_ick", "gpt6_ick"), |
| DT_CLK(NULL, "gpt6_fck", "gpt6_fck"), |
| DT_CLK(NULL, "gpt7_ick", "gpt7_ick"), |
| DT_CLK(NULL, "gpt7_fck", "gpt7_fck"), |
| DT_CLK(NULL, "gpt8_ick", "gpt8_ick"), |
| DT_CLK(NULL, "gpt8_fck", "gpt8_fck"), |
| DT_CLK(NULL, "gpt9_ick", "gpt9_ick"), |
| DT_CLK(NULL, "gpt9_fck", "gpt9_fck"), |
| DT_CLK(NULL, "gpt10_ick", "gpt10_ick"), |
| DT_CLK(NULL, "gpt10_fck", "gpt10_fck"), |
| DT_CLK(NULL, "gpt11_ick", "gpt11_ick"), |
| DT_CLK(NULL, "gpt11_fck", "gpt11_fck"), |
| DT_CLK(NULL, "gpt12_ick", "gpt12_ick"), |
| DT_CLK(NULL, "gpt12_fck", "gpt12_fck"), |
| DT_CLK("omap-mcbsp.1", "ick", "mcbsp1_ick"), |
| DT_CLK(NULL, "mcbsp1_ick", "mcbsp1_ick"), |
| DT_CLK(NULL, "mcbsp1_fck", "mcbsp1_fck"), |
| DT_CLK("omap-mcbsp.2", "ick", "mcbsp2_ick"), |
| DT_CLK(NULL, "mcbsp2_ick", "mcbsp2_ick"), |
| DT_CLK(NULL, "mcbsp2_fck", "mcbsp2_fck"), |
| DT_CLK("omap2_mcspi.1", "ick", "mcspi1_ick"), |
| DT_CLK(NULL, "mcspi1_ick", "mcspi1_ick"), |
| DT_CLK(NULL, "mcspi1_fck", "mcspi1_fck"), |
| DT_CLK("omap2_mcspi.2", "ick", "mcspi2_ick"), |
| DT_CLK(NULL, "mcspi2_ick", "mcspi2_ick"), |
| DT_CLK(NULL, "mcspi2_fck", "mcspi2_fck"), |
| DT_CLK(NULL, "uart1_ick", "uart1_ick"), |
| DT_CLK(NULL, "uart1_fck", "uart1_fck"), |
| DT_CLK(NULL, "uart2_ick", "uart2_ick"), |
| DT_CLK(NULL, "uart2_fck", "uart2_fck"), |
| DT_CLK(NULL, "uart3_ick", "uart3_ick"), |
| DT_CLK(NULL, "uart3_fck", "uart3_fck"), |
| DT_CLK(NULL, "gpios_ick", "gpios_ick"), |
| DT_CLK(NULL, "gpios_fck", "gpios_fck"), |
| DT_CLK("omap_wdt", "ick", "mpu_wdt_ick"), |
| DT_CLK(NULL, "mpu_wdt_ick", "mpu_wdt_ick"), |
| DT_CLK(NULL, "mpu_wdt_fck", "mpu_wdt_fck"), |
| DT_CLK(NULL, "sync_32k_ick", "sync_32k_ick"), |
| DT_CLK(NULL, "wdt1_ick", "wdt1_ick"), |
| DT_CLK(NULL, "omapctrl_ick", "omapctrl_ick"), |
| DT_CLK("omap24xxcam", "fck", "cam_fck"), |
| DT_CLK(NULL, "cam_fck", "cam_fck"), |
| DT_CLK("omap24xxcam", "ick", "cam_ick"), |
| DT_CLK(NULL, "cam_ick", "cam_ick"), |
| DT_CLK(NULL, "mailboxes_ick", "mailboxes_ick"), |
| DT_CLK(NULL, "wdt4_ick", "wdt4_ick"), |
| DT_CLK(NULL, "wdt4_fck", "wdt4_fck"), |
| DT_CLK(NULL, "mspro_ick", "mspro_ick"), |
| DT_CLK(NULL, "mspro_fck", "mspro_fck"), |
| DT_CLK(NULL, "fac_ick", "fac_ick"), |
| DT_CLK(NULL, "fac_fck", "fac_fck"), |
| DT_CLK("omap_hdq.0", "ick", "hdq_ick"), |
| DT_CLK(NULL, "hdq_ick", "hdq_ick"), |
| DT_CLK("omap_hdq.0", "fck", "hdq_fck"), |
| DT_CLK(NULL, "hdq_fck", "hdq_fck"), |
| DT_CLK("omap_i2c.1", "ick", "i2c1_ick"), |
| DT_CLK(NULL, "i2c1_ick", "i2c1_ick"), |
| DT_CLK("omap_i2c.2", "ick", "i2c2_ick"), |
| DT_CLK(NULL, "i2c2_ick", "i2c2_ick"), |
| DT_CLK(NULL, "gpmc_fck", "gpmc_fck"), |
| DT_CLK(NULL, "sdma_fck", "sdma_fck"), |
| DT_CLK(NULL, "sdma_ick", "sdma_ick"), |
| DT_CLK(NULL, "sdrc_ick", "sdrc_ick"), |
| DT_CLK(NULL, "des_ick", "des_ick"), |
| DT_CLK("omap-sham", "ick", "sha_ick"), |
| DT_CLK(NULL, "sha_ick", "sha_ick"), |
| DT_CLK("omap_rng", "ick", "rng_ick"), |
| DT_CLK(NULL, "rng_ick", "rng_ick"), |
| DT_CLK("omap-aes", "ick", "aes_ick"), |
| DT_CLK(NULL, "aes_ick", "aes_ick"), |
| DT_CLK(NULL, "pka_ick", "pka_ick"), |
| DT_CLK(NULL, "usb_fck", "usb_fck"), |
| DT_CLK(NULL, "timer_32k_ck", "func_32k_ck"), |
| DT_CLK(NULL, "timer_sys_ck", "sys_ck"), |
| DT_CLK(NULL, "timer_ext_ck", "alt_ck"), |
| { .node_name = NULL }, |
| }; |
| |
| static struct ti_dt_clk omap2420_clks[] = { |
| DT_CLK(NULL, "sys_clkout2_src", "sys_clkout2_src"), |
| DT_CLK(NULL, "sys_clkout2", "sys_clkout2"), |
| DT_CLK(NULL, "dsp_ick", "dsp_ick"), |
| DT_CLK(NULL, "iva1_ifck", "iva1_ifck"), |
| DT_CLK(NULL, "iva1_mpu_int_ifck", "iva1_mpu_int_ifck"), |
| DT_CLK(NULL, "wdt3_ick", "wdt3_ick"), |
| DT_CLK(NULL, "wdt3_fck", "wdt3_fck"), |
| DT_CLK("mmci-omap.0", "ick", "mmc_ick"), |
| DT_CLK(NULL, "mmc_ick", "mmc_ick"), |
| DT_CLK("mmci-omap.0", "fck", "mmc_fck"), |
| DT_CLK(NULL, "mmc_fck", "mmc_fck"), |
| DT_CLK(NULL, "eac_ick", "eac_ick"), |
| DT_CLK(NULL, "eac_fck", "eac_fck"), |
| DT_CLK(NULL, "i2c1_fck", "i2c1_fck"), |
| DT_CLK(NULL, "i2c2_fck", "i2c2_fck"), |
| DT_CLK(NULL, "vlynq_ick", "vlynq_ick"), |
| DT_CLK(NULL, "vlynq_fck", "vlynq_fck"), |
| DT_CLK("musb-hdrc", "fck", "osc_ck"), |
| { .node_name = NULL }, |
| }; |
| |
| static struct ti_dt_clk omap2430_clks[] = { |
| DT_CLK("twl", "fck", "osc_ck"), |
| DT_CLK(NULL, "iva2_1_ick", "iva2_1_ick"), |
| DT_CLK(NULL, "mdm_ick", "mdm_ick"), |
| DT_CLK(NULL, "mdm_osc_ck", "mdm_osc_ck"), |
| DT_CLK("omap-mcbsp.3", "ick", "mcbsp3_ick"), |
| DT_CLK(NULL, "mcbsp3_ick", "mcbsp3_ick"), |
| DT_CLK(NULL, "mcbsp3_fck", "mcbsp3_fck"), |
| DT_CLK("omap-mcbsp.4", "ick", "mcbsp4_ick"), |
| DT_CLK(NULL, "mcbsp4_ick", "mcbsp4_ick"), |
| DT_CLK(NULL, "mcbsp4_fck", "mcbsp4_fck"), |
| DT_CLK("omap-mcbsp.5", "ick", "mcbsp5_ick"), |
| DT_CLK(NULL, "mcbsp5_ick", "mcbsp5_ick"), |
| DT_CLK(NULL, "mcbsp5_fck", "mcbsp5_fck"), |
| DT_CLK("omap2_mcspi.3", "ick", "mcspi3_ick"), |
| DT_CLK(NULL, "mcspi3_ick", "mcspi3_ick"), |
| DT_CLK(NULL, "mcspi3_fck", "mcspi3_fck"), |
| DT_CLK(NULL, "icr_ick", "icr_ick"), |
| DT_CLK(NULL, "i2chs1_fck", "i2chs1_fck"), |
| DT_CLK(NULL, "i2chs2_fck", "i2chs2_fck"), |
| DT_CLK("musb-omap2430", "ick", "usbhs_ick"), |
| DT_CLK(NULL, "usbhs_ick", "usbhs_ick"), |
| DT_CLK("omap_hsmmc.0", "ick", "mmchs1_ick"), |
| DT_CLK(NULL, "mmchs1_ick", "mmchs1_ick"), |
| DT_CLK(NULL, "mmchs1_fck", "mmchs1_fck"), |
| DT_CLK("omap_hsmmc.1", "ick", "mmchs2_ick"), |
| DT_CLK(NULL, "mmchs2_ick", "mmchs2_ick"), |
| DT_CLK(NULL, "mmchs2_fck", "mmchs2_fck"), |
| DT_CLK(NULL, "gpio5_ick", "gpio5_ick"), |
| DT_CLK(NULL, "gpio5_fck", "gpio5_fck"), |
| DT_CLK(NULL, "mdm_intc_ick", "mdm_intc_ick"), |
| DT_CLK("omap_hsmmc.0", "mmchsdb_fck", "mmchsdb1_fck"), |
| DT_CLK(NULL, "mmchsdb1_fck", "mmchsdb1_fck"), |
| DT_CLK("omap_hsmmc.1", "mmchsdb_fck", "mmchsdb2_fck"), |
| DT_CLK(NULL, "mmchsdb2_fck", "mmchsdb2_fck"), |
| { .node_name = NULL }, |
| }; |
| |
| static const char *enable_init_clks[] = { |
| "apll96_ck", |
| "apll54_ck", |
| "sync_32k_ick", |
| "omapctrl_ick", |
| "gpmc_fck", |
| "sdrc_ick", |
| }; |
| |
| enum { |
| OMAP2_SOC_OMAP2420, |
| OMAP2_SOC_OMAP2430, |
| }; |
| |
| static int __init omap2xxx_dt_clk_init(int soc_type) |
| { |
| ti_dt_clocks_register(omap2xxx_clks); |
| |
| if (soc_type == OMAP2_SOC_OMAP2420) |
| ti_dt_clocks_register(omap2420_clks); |
| else |
| ti_dt_clocks_register(omap2430_clks); |
| |
| omap2xxx_clkt_vps_init(); |
| |
| omap2_clk_disable_autoidle_all(); |
| |
| omap2_clk_enable_init_clocks(enable_init_clks, |
| ARRAY_SIZE(enable_init_clks)); |
| |
| pr_info("Clocking rate (Crystal/DPLL/MPU): %ld.%01ld/%ld/%ld MHz\n", |
| (clk_get_rate(clk_get_sys(NULL, "sys_ck")) / 1000000), |
| (clk_get_rate(clk_get_sys(NULL, "sys_ck")) / 100000) % 10, |
| (clk_get_rate(clk_get_sys(NULL, "dpll_ck")) / 1000000), |
| (clk_get_rate(clk_get_sys(NULL, "mpu_ck")) / 1000000)); |
| |
| return 0; |
| } |
| |
| int __init omap2420_dt_clk_init(void) |
| { |
| return omap2xxx_dt_clk_init(OMAP2_SOC_OMAP2420); |
| } |
| |
| int __init omap2430_dt_clk_init(void) |
| { |
| return omap2xxx_dt_clk_init(OMAP2_SOC_OMAP2430); |
| } |
