diff options
Diffstat (limited to 'drivers/clk/ti/clk-33xx.c')
| -rw-r--r-- | drivers/clk/ti/clk-33xx.c | 279 |
1 files changed, 192 insertions, 87 deletions
diff --git a/drivers/clk/ti/clk-33xx.c b/drivers/clk/ti/clk-33xx.c index 0e47d95faf49..612491a26070 100644 --- a/drivers/clk/ti/clk-33xx.c +++ b/drivers/clk/ti/clk-33xx.c @@ -19,98 +19,201 @@ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/clk/ti.h> +#include <dt-bindings/clock/am3.h> #include "clock.h" +static const char * const am3_gpio1_dbclk_parents[] __initconst = { + "l4_per_cm:clk:0138:0", + NULL, +}; + +static const struct omap_clkctrl_bit_data am3_gpio2_bit_data[] __initconst = { + { 18, TI_CLK_GATE, am3_gpio1_dbclk_parents, NULL }, + { 0 }, +}; + +static const struct omap_clkctrl_bit_data am3_gpio3_bit_data[] __initconst = { + { 18, TI_CLK_GATE, am3_gpio1_dbclk_parents, NULL }, + { 0 }, +}; + +static const struct omap_clkctrl_bit_data am3_gpio4_bit_data[] __initconst = { + { 18, TI_CLK_GATE, am3_gpio1_dbclk_parents, NULL }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4_per_clkctrl_regs[] __initconst = { + { AM3_CPGMAC0_CLKCTRL, NULL, CLKF_SW_SUP, "cpsw_125mhz_gclk", "cpsw_125mhz_clkdm" }, + { AM3_LCDC_CLKCTRL, NULL, CLKF_SW_SUP, "lcd_gclk", "lcdc_clkdm" }, + { AM3_USB_OTG_HS_CLKCTRL, NULL, CLKF_SW_SUP, "usbotg_fck", "l3s_clkdm" }, + { AM3_TPTC0_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, + { AM3_EMIF_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_ddr_m2_div2_ck", "l3_clkdm" }, + { AM3_OCMCRAM_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, + { AM3_GPMC_CLKCTRL, NULL, CLKF_SW_SUP, "l3s_gclk", "l3s_clkdm" }, + { AM3_MCASP0_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp0_fck", "l3s_clkdm" }, + { AM3_UART6_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_MMC1_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk" }, + { AM3_ELM_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_I2C3_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_I2C2_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_SPI0_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_SPI1_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4_LS_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_MCASP1_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp1_fck", "l3s_clkdm" }, + { AM3_UART2_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_UART3_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_UART4_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_UART5_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_TIMER7_CLKCTRL, NULL, CLKF_SW_SUP, "timer7_fck" }, + { AM3_TIMER2_CLKCTRL, NULL, CLKF_SW_SUP, "timer2_fck" }, + { AM3_TIMER3_CLKCTRL, NULL, CLKF_SW_SUP, "timer3_fck" }, + { AM3_TIMER4_CLKCTRL, NULL, CLKF_SW_SUP, "timer4_fck" }, + { AM3_RNG_CLKCTRL, NULL, CLKF_SW_SUP, "rng_fck" }, + { AM3_AES_CLKCTRL, NULL, CLKF_SW_SUP, "aes0_fck", "l3_clkdm" }, + { AM3_SHAM_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, + { AM3_GPIO2_CLKCTRL, am3_gpio2_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_GPIO3_CLKCTRL, am3_gpio3_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_GPIO4_CLKCTRL, am3_gpio4_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_TPCC_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, + { AM3_D_CAN0_CLKCTRL, NULL, CLKF_SW_SUP, "dcan0_fck" }, + { AM3_D_CAN1_CLKCTRL, NULL, CLKF_SW_SUP, "dcan1_fck" }, + { AM3_EPWMSS1_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_EPWMSS0_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_EPWMSS2_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L3_INSTR_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, + { AM3_L3_MAIN_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, + { AM3_PRUSS_CLKCTRL, NULL, CLKF_SW_SUP, "pruss_ocp_gclk", "pruss_ocp_clkdm" }, + { AM3_TIMER5_CLKCTRL, NULL, CLKF_SW_SUP, "timer5_fck" }, + { AM3_TIMER6_CLKCTRL, NULL, CLKF_SW_SUP, "timer6_fck" }, + { AM3_MMC2_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk" }, + { AM3_MMC3_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk", "l3s_clkdm" }, + { AM3_TPTC1_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, + { AM3_TPTC2_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, + { AM3_SPINLOCK_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_MAILBOX_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4_HS_CLKCTRL, NULL, CLKF_SW_SUP, "l4hs_gclk", "l4hs_clkdm" }, + { AM3_OCPWP_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_CLKDIV32K_CLKCTRL, NULL, CLKF_SW_SUP, "clkdiv32k_ck", "clk_24mhz_clkdm" }, + { 0 }, +}; + +static const char * const am3_gpio0_dbclk_parents[] __initconst = { + "gpio0_dbclk_mux_ck", + NULL, +}; + +static const struct omap_clkctrl_bit_data am3_gpio1_bit_data[] __initconst = { + { 18, TI_CLK_GATE, am3_gpio0_dbclk_parents, NULL }, + { 0 }, +}; + +static const char * const am3_dbg_sysclk_ck_parents[] __initconst = { + "sys_clkin_ck", + NULL, +}; + +static const char * const am3_trace_pmd_clk_mux_ck_parents[] __initconst = { + "l4_wkup_cm:clk:0010:19", + "l4_wkup_cm:clk:0010:30", + NULL, +}; + +static const char * const am3_trace_clk_div_ck_parents[] __initconst = { + "l4_wkup_cm:clk:0010:20", + NULL, +}; + +static const struct omap_clkctrl_div_data am3_trace_clk_div_ck_data __initconst = { + .max_div = 64, + .flags = CLK_DIVIDER_POWER_OF_TWO, +}; + +static const char * const am3_stm_clk_div_ck_parents[] __initconst = { + "l4_wkup_cm:clk:0010:22", + NULL, +}; + +static const struct omap_clkctrl_div_data am3_stm_clk_div_ck_data __initconst = { + .max_div = 64, + .flags = CLK_DIVIDER_POWER_OF_TWO, +}; + +static const char * const am3_dbg_clka_ck_parents[] __initconst = { + "dpll_core_m4_ck", + NULL, +}; + +static const struct omap_clkctrl_bit_data am3_debugss_bit_data[] __initconst = { + { 19, TI_CLK_GATE, am3_dbg_sysclk_ck_parents, NULL }, + { 20, TI_CLK_MUX, am3_trace_pmd_clk_mux_ck_parents, NULL }, + { 22, TI_CLK_MUX, am3_trace_pmd_clk_mux_ck_parents, NULL }, + { 24, TI_CLK_DIVIDER, am3_trace_clk_div_ck_parents, &am3_trace_clk_div_ck_data }, + { 27, TI_CLK_DIVIDER, am3_stm_clk_div_ck_parents, &am3_stm_clk_div_ck_data }, + { 30, TI_CLK_GATE, am3_dbg_clka_ck_parents, NULL }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4_wkup_clkctrl_regs[] __initconst = { + { AM3_CONTROL_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_core_m4_div2_ck" }, + { AM3_GPIO1_CLKCTRL, am3_gpio1_bit_data, CLKF_SW_SUP, "dpll_core_m4_div2_ck" }, + { AM3_L4_WKUP_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_core_m4_div2_ck" }, + { AM3_DEBUGSS_CLKCTRL, am3_debugss_bit_data, CLKF_SW_SUP, "l4_wkup_cm:clk:0010:24", "l3_aon_clkdm" }, + { AM3_WKUP_M3_CLKCTRL, NULL, CLKF_NO_IDLEST, "dpll_core_m4_div2_ck", "l4_wkup_aon_clkdm" }, + { AM3_UART1_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_wkupdm_ck" }, + { AM3_I2C1_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_wkupdm_ck" }, + { AM3_ADC_TSC_CLKCTRL, NULL, CLKF_SW_SUP, "adc_tsc_fck" }, + { AM3_SMARTREFLEX0_CLKCTRL, NULL, CLKF_SW_SUP, "smartreflex0_fck" }, + { AM3_TIMER1_CLKCTRL, NULL, CLKF_SW_SUP, "timer1_fck" }, + { AM3_SMARTREFLEX1_CLKCTRL, NULL, CLKF_SW_SUP, "smartreflex1_fck" }, + { AM3_WD_TIMER2_CLKCTRL, NULL, CLKF_SW_SUP, "wdt1_fck" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_mpu_clkctrl_regs[] __initconst = { + { AM3_MPU_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_mpu_m2_ck" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4_rtc_clkctrl_regs[] __initconst = { + { AM3_RTC_CLKCTRL, NULL, CLKF_SW_SUP, "clk_32768_ck" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_gfx_l3_clkctrl_regs[] __initconst = { + { AM3_GFX_CLKCTRL, NULL, CLKF_SW_SUP, "gfx_fck_div_ck" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4_cefuse_clkctrl_regs[] __initconst = { + { AM3_CEFUSE_CLKCTRL, NULL, CLKF_SW_SUP, "sys_clkin_ck" }, + { 0 }, +}; + +const struct omap_clkctrl_data am3_clkctrl_data[] __initconst = { + { 0x44e00014, am3_l4_per_clkctrl_regs }, + { 0x44e00404, am3_l4_wkup_clkctrl_regs }, + { 0x44e00604, am3_mpu_clkctrl_regs }, + { 0x44e00800, am3_l4_rtc_clkctrl_regs }, + { 0x44e00904, am3_gfx_l3_clkctrl_regs }, + { 0x44e00a20, am3_l4_cefuse_clkctrl_regs }, + { 0 }, +}; + static struct ti_dt_clk am33xx_clks[] = { - DT_CLK(NULL, "clk_32768_ck", "clk_32768_ck"), - DT_CLK(NULL, "clk_rc32k_ck", "clk_rc32k_ck"), - DT_CLK(NULL, "virt_19200000_ck", "virt_19200000_ck"), - DT_CLK(NULL, "virt_24000000_ck", "virt_24000000_ck"), - DT_CLK(NULL, "virt_25000000_ck", "virt_25000000_ck"), - DT_CLK(NULL, "virt_26000000_ck", "virt_26000000_ck"), - DT_CLK(NULL, "sys_clkin_ck", "sys_clkin_ck"), - DT_CLK(NULL, "tclkin_ck", "tclkin_ck"), - DT_CLK(NULL, "dpll_core_ck", "dpll_core_ck"), - DT_CLK(NULL, "dpll_core_x2_ck", "dpll_core_x2_ck"), - DT_CLK(NULL, "dpll_core_m4_ck", "dpll_core_m4_ck"), - DT_CLK(NULL, "dpll_core_m5_ck", "dpll_core_m5_ck"), - DT_CLK(NULL, "dpll_core_m6_ck", "dpll_core_m6_ck"), - DT_CLK(NULL, "dpll_mpu_ck", "dpll_mpu_ck"), - DT_CLK(NULL, "dpll_mpu_m2_ck", "dpll_mpu_m2_ck"), - DT_CLK(NULL, "dpll_ddr_ck", "dpll_ddr_ck"), - DT_CLK(NULL, "dpll_ddr_m2_ck", "dpll_ddr_m2_ck"), - DT_CLK(NULL, "dpll_ddr_m2_div2_ck", "dpll_ddr_m2_div2_ck"), - DT_CLK(NULL, "dpll_disp_ck", "dpll_disp_ck"), - DT_CLK(NULL, "dpll_disp_m2_ck", "dpll_disp_m2_ck"), - DT_CLK(NULL, "dpll_per_ck", "dpll_per_ck"), - DT_CLK(NULL, "dpll_per_m2_ck", "dpll_per_m2_ck"), - DT_CLK(NULL, "dpll_per_m2_div4_wkupdm_ck", "dpll_per_m2_div4_wkupdm_ck"), - DT_CLK(NULL, "dpll_per_m2_div4_ck", "dpll_per_m2_div4_ck"), - DT_CLK(NULL, "adc_tsc_fck", "adc_tsc_fck"), - DT_CLK(NULL, "cefuse_fck", "cefuse_fck"), - DT_CLK(NULL, "clkdiv32k_ck", "clkdiv32k_ck"), - DT_CLK(NULL, "clkdiv32k_ick", "clkdiv32k_ick"), - DT_CLK(NULL, "dcan0_fck", "dcan0_fck"), - DT_CLK("481cc000.d_can", NULL, "dcan0_fck"), - DT_CLK(NULL, "dcan1_fck", "dcan1_fck"), - DT_CLK("481d0000.d_can", NULL, "dcan1_fck"), - DT_CLK(NULL, "pruss_ocp_gclk", "pruss_ocp_gclk"), - DT_CLK(NULL, "mcasp0_fck", "mcasp0_fck"), - DT_CLK(NULL, "mcasp1_fck", "mcasp1_fck"), - DT_CLK(NULL, "mmu_fck", "mmu_fck"), - DT_CLK(NULL, "smartreflex0_fck", "smartreflex0_fck"), - DT_CLK(NULL, "smartreflex1_fck", "smartreflex1_fck"), - DT_CLK(NULL, "sha0_fck", "sha0_fck"), - DT_CLK(NULL, "aes0_fck", "aes0_fck"), - DT_CLK(NULL, "rng_fck", "rng_fck"), - DT_CLK(NULL, "timer1_fck", "timer1_fck"), - DT_CLK(NULL, "timer2_fck", "timer2_fck"), - DT_CLK(NULL, "timer3_fck", "timer3_fck"), - DT_CLK(NULL, "timer4_fck", "timer4_fck"), - DT_CLK(NULL, "timer5_fck", "timer5_fck"), - DT_CLK(NULL, "timer6_fck", "timer6_fck"), - DT_CLK(NULL, "timer7_fck", "timer7_fck"), - DT_CLK(NULL, "usbotg_fck", "usbotg_fck"), - DT_CLK(NULL, "ieee5000_fck", "ieee5000_fck"), - DT_CLK(NULL, "wdt1_fck", "wdt1_fck"), - DT_CLK(NULL, "l4_rtc_gclk", "l4_rtc_gclk"), - DT_CLK(NULL, "l3_gclk", "l3_gclk"), - DT_CLK(NULL, "dpll_core_m4_div2_ck", "dpll_core_m4_div2_ck"), - DT_CLK(NULL, "l4hs_gclk", "l4hs_gclk"), - DT_CLK(NULL, "l3s_gclk", "l3s_gclk"), - DT_CLK(NULL, "l4fw_gclk", "l4fw_gclk"), - DT_CLK(NULL, "l4ls_gclk", "l4ls_gclk"), - DT_CLK(NULL, "clk_24mhz", "clk_24mhz"), - DT_CLK(NULL, "sysclk_div_ck", "sysclk_div_ck"), - DT_CLK(NULL, "cpsw_125mhz_gclk", "cpsw_125mhz_gclk"), - DT_CLK(NULL, "cpsw_cpts_rft_clk", "cpsw_cpts_rft_clk"), - DT_CLK(NULL, "gpio0_dbclk_mux_ck", "gpio0_dbclk_mux_ck"), - DT_CLK(NULL, "gpio0_dbclk", "gpio0_dbclk"), - DT_CLK(NULL, "gpio1_dbclk", "gpio1_dbclk"), - DT_CLK(NULL, "gpio2_dbclk", "gpio2_dbclk"), - DT_CLK(NULL, "gpio3_dbclk", "gpio3_dbclk"), - DT_CLK(NULL, "lcd_gclk", "lcd_gclk"), - DT_CLK(NULL, "mmc_clk", "mmc_clk"), - DT_CLK(NULL, "gfx_fclk_clksel_ck", "gfx_fclk_clksel_ck"), - DT_CLK(NULL, "gfx_fck_div_ck", "gfx_fck_div_ck"), - DT_CLK(NULL, "sysclkout_pre_ck", "sysclkout_pre_ck"), - DT_CLK(NULL, "clkout2_div_ck", "clkout2_div_ck"), - DT_CLK(NULL, "timer_32k_ck", "clkdiv32k_ick"), + DT_CLK(NULL, "timer_32k_ck", "l4_per_cm:0138:0"), DT_CLK(NULL, "timer_sys_ck", "sys_clkin_ck"), - DT_CLK(NULL, "dbg_sysclk_ck", "dbg_sysclk_ck"), - DT_CLK(NULL, "dbg_clka_ck", "dbg_clka_ck"), - DT_CLK(NULL, "stm_pmd_clock_mux_ck", "stm_pmd_clock_mux_ck"), - DT_CLK(NULL, "trace_pmd_clk_mux_ck", "trace_pmd_clk_mux_ck"), - DT_CLK(NULL, "stm_clk_div_ck", "stm_clk_div_ck"), - DT_CLK(NULL, "trace_clk_div_ck", "trace_clk_div_ck"), - DT_CLK(NULL, "clkout2_ck", "clkout2_ck"), - DT_CLK("48300200.ehrpwm", "tbclk", "ehrpwm0_tbclk"), - DT_CLK("48302200.ehrpwm", "tbclk", "ehrpwm1_tbclk"), - DT_CLK("48304200.ehrpwm", "tbclk", "ehrpwm2_tbclk"), - DT_CLK("48300200.pwm", "tbclk", "ehrpwm0_tbclk"), - DT_CLK("48302200.pwm", "tbclk", "ehrpwm1_tbclk"), - DT_CLK("48304200.pwm", "tbclk", "ehrpwm2_tbclk"), + DT_CLK(NULL, "clkdiv32k_ick", "l4_per_cm:0138:0"), + DT_CLK(NULL, "dbg_clka_ck", "l4_wkup_cm:0010:30"), + DT_CLK(NULL, "dbg_sysclk_ck", "l4_wkup_cm:0010:19"), + DT_CLK(NULL, "gpio0_dbclk", "l4_wkup_cm:0004:18"), + DT_CLK(NULL, "gpio1_dbclk", "l4_per_cm:0098:18"), + DT_CLK(NULL, "gpio2_dbclk", "l4_per_cm:009c:18"), + DT_CLK(NULL, "gpio3_dbclk", "l4_per_cm:00a0:18"), + DT_CLK(NULL, "stm_clk_div_ck", "l4_wkup_cm:0010:27"), + DT_CLK(NULL, "stm_pmd_clock_mux_ck", "l4_wkup_cm:0010:22"), + DT_CLK(NULL, "trace_clk_div_ck", "l4_wkup_cm:0010:24"), + DT_CLK(NULL, "trace_pmd_clk_mux_ck", "l4_wkup_cm:0010:20"), { .node_name = NULL }, }; @@ -133,6 +236,8 @@ int __init am33xx_dt_clk_init(void) omap2_clk_disable_autoidle_all(); + ti_clk_add_aliases(); + omap2_clk_enable_init_clocks(enable_init_clks, ARRAY_SIZE(enable_init_clks)); |