diff options
Diffstat (limited to 'arch/arm/mach-omap1/clock_data.c')
-rw-r--r-- | arch/arm/mach-omap1/clock_data.c | 483 |
1 files changed, 209 insertions, 274 deletions
diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c index 165b6a75a59b..96d846c37c43 100644 --- a/arch/arm/mach-omap1/clock_data.c +++ b/arch/arm/mach-omap1/clock_data.c @@ -14,6 +14,8 @@ #include <linux/kernel.h> #include <linux/io.h> #include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/clk-provider.h> #include <linux/cpufreq.h> #include <linux/delay.h> #include <linux/soc/ti/omap1-io.h> @@ -71,16 +73,18 @@ * Omap1 clocks */ -static struct clk ck_ref = { - .name = "ck_ref", - .ops = &clkops_null, +static struct omap1_clk ck_ref = { + .hw.init = CLK_HW_INIT_NO_PARENT("ck_ref", &omap1_clk_rate_ops, 0), .rate = 12000000, }; -static struct clk ck_dpll1 = { - .name = "ck_dpll1", - .ops = &clkops_null, - .parent = &ck_ref, +static struct omap1_clk ck_dpll1 = { + .hw.init = CLK_HW_INIT("ck_dpll1", "ck_ref", &omap1_clk_rate_ops, + /* + * force recursive refresh of rates of the clock + * and its children when clk_get_rate() is called + */ + CLK_GET_RATE_NOCACHE), }; /* @@ -89,32 +93,28 @@ static struct clk ck_dpll1 = { */ static struct arm_idlect1_clk ck_dpll1out = { .clk = { - .name = "ck_dpll1out", + .hw.init = CLK_HW_INIT("ck_dpll1out", "ck_dpll1", &omap1_clk_gate_ops, 0), .ops = &clkops_generic, - .parent = &ck_dpll1, .flags = CLOCK_IDLE_CONTROL | ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_CKOUT_ARM, - .recalc = &followparent_recalc, }, .idlect_shift = IDL_CLKOUT_ARM_SHIFT, }; -static struct clk sossi_ck = { - .name = "ck_sossi", +static struct omap1_clk sossi_ck = { + .hw.init = CLK_HW_INIT("ck_sossi", "ck_dpll1out", &omap1_clk_full_ops, 0), .ops = &clkops_generic, - .parent = &ck_dpll1out.clk, .flags = CLOCK_NO_IDLE_PARENT | ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_1), .enable_bit = CONF_MOD_SOSSI_CLK_EN_R, .recalc = &omap1_sossi_recalc, + .round_rate = &omap1_round_sossi_rate, .set_rate = &omap1_set_sossi_rate, }; -static struct clk arm_ck = { - .name = "arm_ck", - .ops = &clkops_null, - .parent = &ck_dpll1, +static struct omap1_clk arm_ck = { + .hw.init = CLK_HW_INIT("arm_ck", "ck_dpll1", &omap1_clk_rate_ops, 0), .rate_offset = CKCTL_ARMDIV_OFFSET, .recalc = &omap1_ckctl_recalc, .round_rate = omap1_clk_round_rate_ckctl_arm, @@ -123,9 +123,9 @@ static struct clk arm_ck = { static struct arm_idlect1_clk armper_ck = { .clk = { - .name = "armper_ck", + .hw.init = CLK_HW_INIT("armper_ck", "ck_dpll1", &omap1_clk_full_ops, + CLK_IS_CRITICAL), .ops = &clkops_generic, - .parent = &ck_dpll1, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_PERCK, @@ -141,46 +141,41 @@ static struct arm_idlect1_clk armper_ck = { * FIXME: This clock seems to be necessary but no-one has asked for its * activation. [ GPIO code for 1510 ] */ -static struct clk arm_gpio_ck = { - .name = "ick", +static struct omap1_clk arm_gpio_ck = { + .hw.init = CLK_HW_INIT("ick", "ck_dpll1", &omap1_clk_gate_ops, CLK_IS_CRITICAL), .ops = &clkops_generic, - .parent = &ck_dpll1, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_GPIOCK, - .recalc = &followparent_recalc, }; static struct arm_idlect1_clk armxor_ck = { .clk = { - .name = "armxor_ck", + .hw.init = CLK_HW_INIT("armxor_ck", "ck_ref", &omap1_clk_gate_ops, + CLK_IS_CRITICAL), .ops = &clkops_generic, - .parent = &ck_ref, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_XORPCK, - .recalc = &followparent_recalc, }, .idlect_shift = IDLXORP_ARM_SHIFT, }; static struct arm_idlect1_clk armtim_ck = { .clk = { - .name = "armtim_ck", + .hw.init = CLK_HW_INIT("armtim_ck", "ck_ref", &omap1_clk_gate_ops, + CLK_IS_CRITICAL), .ops = &clkops_generic, - .parent = &ck_ref, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_TIMCK, - .recalc = &followparent_recalc, }, .idlect_shift = IDLTIM_ARM_SHIFT, }; static struct arm_idlect1_clk armwdt_ck = { .clk = { - .name = "armwdt_ck", + .hw.init = CLK_HW_INIT("armwdt_ck", "ck_ref", &omap1_clk_full_ops, 0), .ops = &clkops_generic, - .parent = &ck_ref, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_WDTCK, @@ -190,11 +185,8 @@ static struct arm_idlect1_clk armwdt_ck = { .idlect_shift = IDLWDT_ARM_SHIFT, }; -static struct clk arminth_ck16xx = { - .name = "arminth_ck", - .ops = &clkops_null, - .parent = &arm_ck, - .recalc = &followparent_recalc, +static struct omap1_clk arminth_ck16xx = { + .hw.init = CLK_HW_INIT("arminth_ck", "arm_ck", &omap1_clk_null_ops, 0), /* Note: On 16xx the frequency can be divided by 2 by programming * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1 * @@ -202,10 +194,9 @@ static struct clk arminth_ck16xx = { */ }; -static struct clk dsp_ck = { - .name = "dsp_ck", +static struct omap1_clk dsp_ck = { + .hw.init = CLK_HW_INIT("dsp_ck", "ck_dpll1", &omap1_clk_full_ops, 0), .ops = &clkops_generic, - .parent = &ck_dpll1, .enable_reg = OMAP1_IO_ADDRESS(ARM_CKCTL), .enable_bit = EN_DSPCK, .rate_offset = CKCTL_DSPDIV_OFFSET, @@ -214,20 +205,17 @@ static struct clk dsp_ck = { .set_rate = omap1_clk_set_rate_ckctl_arm, }; -static struct clk dspmmu_ck = { - .name = "dspmmu_ck", - .ops = &clkops_null, - .parent = &ck_dpll1, +static struct omap1_clk dspmmu_ck = { + .hw.init = CLK_HW_INIT("dspmmu_ck", "ck_dpll1", &omap1_clk_rate_ops, 0), .rate_offset = CKCTL_DSPMMUDIV_OFFSET, .recalc = &omap1_ckctl_recalc, .round_rate = omap1_clk_round_rate_ckctl_arm, .set_rate = omap1_clk_set_rate_ckctl_arm, }; -static struct clk dspper_ck = { - .name = "dspper_ck", +static struct omap1_clk dspper_ck = { + .hw.init = CLK_HW_INIT("dspper_ck", "ck_dpll1", &omap1_clk_full_ops, 0), .ops = &clkops_dspck, - .parent = &ck_dpll1, .enable_reg = DSP_IDLECT2, .enable_bit = EN_PERCK, .rate_offset = CKCTL_PERDIV_OFFSET, @@ -236,29 +224,23 @@ static struct clk dspper_ck = { .set_rate = &omap1_clk_set_rate_dsp_domain, }; -static struct clk dspxor_ck = { - .name = "dspxor_ck", +static struct omap1_clk dspxor_ck = { + .hw.init = CLK_HW_INIT("dspxor_ck", "ck_ref", &omap1_clk_gate_ops, 0), .ops = &clkops_dspck, - .parent = &ck_ref, .enable_reg = DSP_IDLECT2, .enable_bit = EN_XORPCK, - .recalc = &followparent_recalc, }; -static struct clk dsptim_ck = { - .name = "dsptim_ck", +static struct omap1_clk dsptim_ck = { + .hw.init = CLK_HW_INIT("dsptim_ck", "ck_ref", &omap1_clk_gate_ops, 0), .ops = &clkops_dspck, - .parent = &ck_ref, .enable_reg = DSP_IDLECT2, .enable_bit = EN_DSPTIMCK, - .recalc = &followparent_recalc, }; static struct arm_idlect1_clk tc_ck = { .clk = { - .name = "tc_ck", - .ops = &clkops_null, - .parent = &ck_dpll1, + .hw.init = CLK_HW_INIT("tc_ck", "ck_dpll1", &omap1_clk_rate_ops, 0), .flags = CLOCK_IDLE_CONTROL, .rate_offset = CKCTL_TCDIV_OFFSET, .recalc = &omap1_ckctl_recalc, @@ -268,116 +250,88 @@ static struct arm_idlect1_clk tc_ck = { .idlect_shift = IDLIF_ARM_SHIFT, }; -static struct clk arminth_ck1510 = { - .name = "arminth_ck", - .ops = &clkops_null, - .parent = &tc_ck.clk, - .recalc = &followparent_recalc, +static struct omap1_clk arminth_ck1510 = { + .hw.init = CLK_HW_INIT("arminth_ck", "tc_ck", &omap1_clk_null_ops, 0), /* Note: On 1510 the frequency follows TC_CK * * 16xx version is in MPU clocks. */ }; -static struct clk tipb_ck = { +static struct omap1_clk tipb_ck = { /* No-idle controlled by "tc_ck" */ - .name = "tipb_ck", - .ops = &clkops_null, - .parent = &tc_ck.clk, - .recalc = &followparent_recalc, + .hw.init = CLK_HW_INIT("tipb_ck", "tc_ck", &omap1_clk_null_ops, 0), }; -static struct clk l3_ocpi_ck = { +static struct omap1_clk l3_ocpi_ck = { /* No-idle controlled by "tc_ck" */ - .name = "l3_ocpi_ck", + .hw.init = CLK_HW_INIT("l3_ocpi_ck", "tc_ck", &omap1_clk_gate_ops, 0), .ops = &clkops_generic, - .parent = &tc_ck.clk, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT3), .enable_bit = EN_OCPI_CK, - .recalc = &followparent_recalc, }; -static struct clk tc1_ck = { - .name = "tc1_ck", +static struct omap1_clk tc1_ck = { + .hw.init = CLK_HW_INIT("tc1_ck", "tc_ck", &omap1_clk_gate_ops, 0), .ops = &clkops_generic, - .parent = &tc_ck.clk, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT3), .enable_bit = EN_TC1_CK, - .recalc = &followparent_recalc, }; /* * FIXME: This clock seems to be necessary but no-one has asked for its * activation. [ pm.c (SRAM), CCP, Camera ] */ -static struct clk tc2_ck = { - .name = "tc2_ck", + +static struct omap1_clk tc2_ck = { + .hw.init = CLK_HW_INIT("tc2_ck", "tc_ck", &omap1_clk_gate_ops, CLK_IS_CRITICAL), .ops = &clkops_generic, - .parent = &tc_ck.clk, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT3), .enable_bit = EN_TC2_CK, - .recalc = &followparent_recalc, }; -static struct clk dma_ck = { +static struct omap1_clk dma_ck = { /* No-idle controlled by "tc_ck" */ - .name = "dma_ck", - .ops = &clkops_null, - .parent = &tc_ck.clk, - .recalc = &followparent_recalc, + .hw.init = CLK_HW_INIT("dma_ck", "tc_ck", &omap1_clk_null_ops, 0), }; -static struct clk dma_lcdfree_ck = { - .name = "dma_lcdfree_ck", - .ops = &clkops_null, - .parent = &tc_ck.clk, - .recalc = &followparent_recalc, +static struct omap1_clk dma_lcdfree_ck = { + .hw.init = CLK_HW_INIT("dma_lcdfree_ck", "tc_ck", &omap1_clk_null_ops, 0), }; static struct arm_idlect1_clk api_ck = { .clk = { - .name = "api_ck", + .hw.init = CLK_HW_INIT("api_ck", "tc_ck", &omap1_clk_gate_ops, 0), .ops = &clkops_generic, - .parent = &tc_ck.clk, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_APICK, - .recalc = &followparent_recalc, }, .idlect_shift = IDLAPI_ARM_SHIFT, }; static struct arm_idlect1_clk lb_ck = { .clk = { - .name = "lb_ck", + .hw.init = CLK_HW_INIT("lb_ck", "tc_ck", &omap1_clk_gate_ops, 0), .ops = &clkops_generic, - .parent = &tc_ck.clk, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_LBCK, - .recalc = &followparent_recalc, }, .idlect_shift = IDLLB_ARM_SHIFT, }; -static struct clk rhea1_ck = { - .name = "rhea1_ck", - .ops = &clkops_null, - .parent = &tc_ck.clk, - .recalc = &followparent_recalc, +static struct omap1_clk rhea1_ck = { + .hw.init = CLK_HW_INIT("rhea1_ck", "tc_ck", &omap1_clk_null_ops, 0), }; -static struct clk rhea2_ck = { - .name = "rhea2_ck", - .ops = &clkops_null, - .parent = &tc_ck.clk, - .recalc = &followparent_recalc, +static struct omap1_clk rhea2_ck = { + .hw.init = CLK_HW_INIT("rhea2_ck", "tc_ck", &omap1_clk_null_ops, 0), }; -static struct clk lcd_ck_16xx = { - .name = "lcd_ck", +static struct omap1_clk lcd_ck_16xx = { + .hw.init = CLK_HW_INIT("lcd_ck", "ck_dpll1", &omap1_clk_full_ops, 0), .ops = &clkops_generic, - .parent = &ck_dpll1, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_LCDCK, .rate_offset = CKCTL_LCDDIV_OFFSET, @@ -388,9 +342,8 @@ static struct clk lcd_ck_16xx = { static struct arm_idlect1_clk lcd_ck_1510 = { .clk = { - .name = "lcd_ck", + .hw.init = CLK_HW_INIT("lcd_ck", "ck_dpll1", &omap1_clk_full_ops, 0), .ops = &clkops_generic, - .parent = &ck_dpll1, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_LCDCK, @@ -402,37 +355,35 @@ static struct arm_idlect1_clk lcd_ck_1510 = { .idlect_shift = OMAP1510_IDLLCD_ARM_SHIFT, }; + /* * XXX The enable_bit here is misused - it simply switches between 12MHz - * and 48MHz. Reimplement with clksel. + * and 48MHz. Reimplement with clk_mux. * * XXX does this need SYSC register handling? */ -static struct clk uart1_1510 = { - .name = "uart1_ck", - .ops = &clkops_null, +static struct omap1_clk uart1_1510 = { /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, - .rate = 12000000, + .hw.init = CLK_HW_INIT("uart1_ck", "armper_ck", &omap1_clk_full_ops, 0), .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = CONF_MOD_UART1_CLK_MODE_R, + .round_rate = &omap1_round_uart_rate, .set_rate = &omap1_set_uart_rate, .recalc = &omap1_uart_recalc, }; /* * XXX The enable_bit here is misused - it simply switches between 12MHz - * and 48MHz. Reimplement with clksel. + * and 48MHz. Reimplement with clk_mux. * * XXX SYSC register handling does not belong in the clock framework */ static struct uart_clk uart1_16xx = { .clk = { - .name = "uart1_ck", .ops = &clkops_uart_16xx, /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, + .hw.init = CLK_HW_INIT("uart1_ck", "armper_ck", &omap1_clk_full_ops, 0), .rate = 48000000, .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), @@ -443,54 +394,49 @@ static struct uart_clk uart1_16xx = { /* * XXX The enable_bit here is misused - it simply switches between 12MHz - * and 48MHz. Reimplement with clksel. + * and 48MHz. Reimplement with clk_mux. * * XXX does this need SYSC register handling? */ -static struct clk uart2_ck = { - .name = "uart2_ck", - .ops = &clkops_null, +static struct omap1_clk uart2_ck = { /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, - .rate = 12000000, + .hw.init = CLK_HW_INIT("uart2_ck", "armper_ck", &omap1_clk_full_ops, 0), .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = CONF_MOD_UART2_CLK_MODE_R, + .round_rate = &omap1_round_uart_rate, .set_rate = &omap1_set_uart_rate, .recalc = &omap1_uart_recalc, }; /* * XXX The enable_bit here is misused - it simply switches between 12MHz - * and 48MHz. Reimplement with clksel. + * and 48MHz. Reimplement with clk_mux. * * XXX does this need SYSC register handling? */ -static struct clk uart3_1510 = { - .name = "uart3_ck", - .ops = &clkops_null, +static struct omap1_clk uart3_1510 = { /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, - .rate = 12000000, + .hw.init = CLK_HW_INIT("uart3_ck", "armper_ck", &omap1_clk_full_ops, 0), .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = CONF_MOD_UART3_CLK_MODE_R, + .round_rate = &omap1_round_uart_rate, .set_rate = &omap1_set_uart_rate, .recalc = &omap1_uart_recalc, }; /* * XXX The enable_bit here is misused - it simply switches between 12MHz - * and 48MHz. Reimplement with clksel. + * and 48MHz. Reimplement with clk_mux. * * XXX SYSC register handling does not belong in the clock framework */ static struct uart_clk uart3_16xx = { .clk = { - .name = "uart3_ck", .ops = &clkops_uart_16xx, /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, + .hw.init = CLK_HW_INIT("uart3_ck", "armper_ck", &omap1_clk_full_ops, 0), .rate = 48000000, .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), @@ -499,30 +445,30 @@ static struct uart_clk uart3_16xx = { .sysc_addr = 0xfffb9854, }; -static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */ - .name = "usb_clko", +static struct omap1_clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */ .ops = &clkops_generic, /* Direct from ULPD, no parent */ + .hw.init = CLK_HW_INIT_NO_PARENT("usb_clko", &omap1_clk_full_ops, 0), .rate = 6000000, .flags = ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(ULPD_CLOCK_CTRL), .enable_bit = USB_MCLK_EN_BIT, }; -static struct clk usb_hhc_ck1510 = { - .name = "usb_hhc_ck", +static struct omap1_clk usb_hhc_ck1510 = { .ops = &clkops_generic, /* Direct from ULPD, no parent */ + .hw.init = CLK_HW_INIT_NO_PARENT("usb_hhc_ck", &omap1_clk_full_ops, 0), .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */ .flags = ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = USB_HOST_HHC_UHOST_EN, }; -static struct clk usb_hhc_ck16xx = { - .name = "usb_hhc_ck", +static struct omap1_clk usb_hhc_ck16xx = { .ops = &clkops_generic, /* Direct from ULPD, no parent */ + .hw.init = CLK_HW_INIT_NO_PARENT("usb_hhc_ck", &omap1_clk_full_ops, 0), .rate = 48000000, /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */ .flags = ENABLE_REG_32BIT, @@ -530,46 +476,46 @@ static struct clk usb_hhc_ck16xx = { .enable_bit = OTG_SYSCON_2_UHOST_EN_SHIFT }; -static struct clk usb_dc_ck = { - .name = "usb_dc_ck", +static struct omap1_clk usb_dc_ck = { .ops = &clkops_generic, /* Direct from ULPD, no parent */ + .hw.init = CLK_HW_INIT_NO_PARENT("usb_dc_ck", &omap1_clk_full_ops, 0), .rate = 48000000, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = SOFT_USB_OTG_DPLL_REQ_SHIFT, }; -static struct clk uart1_7xx = { - .name = "uart1_ck", +static struct omap1_clk uart1_7xx = { .ops = &clkops_generic, /* Direct from ULPD, no parent */ + .hw.init = CLK_HW_INIT_NO_PARENT("uart1_ck", &omap1_clk_full_ops, 0), .rate = 12000000, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 9, }; -static struct clk uart2_7xx = { - .name = "uart2_ck", +static struct omap1_clk uart2_7xx = { .ops = &clkops_generic, /* Direct from ULPD, no parent */ + .hw.init = CLK_HW_INIT_NO_PARENT("uart2_ck", &omap1_clk_full_ops, 0), .rate = 12000000, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 11, }; -static struct clk mclk_1510 = { - .name = "mclk", +static struct omap1_clk mclk_1510 = { .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ + .hw.init = CLK_HW_INIT_NO_PARENT("mclk", &omap1_clk_full_ops, 0), .rate = 12000000, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = SOFT_COM_MCKO_REQ_SHIFT, }; -static struct clk mclk_16xx = { - .name = "mclk", +static struct omap1_clk mclk_16xx = { .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ + .hw.init = CLK_HW_INIT_NO_PARENT("mclk", &omap1_clk_full_ops, 0), .enable_reg = OMAP1_IO_ADDRESS(COM_CLK_DIV_CTRL_SEL), .enable_bit = COM_ULPD_PLL_CLK_REQ, .set_rate = &omap1_set_ext_clk_rate, @@ -577,17 +523,16 @@ static struct clk mclk_16xx = { .init = &omap1_init_ext_clk, }; -static struct clk bclk_1510 = { - .name = "bclk", - .ops = &clkops_generic, +static struct omap1_clk bclk_1510 = { /* Direct from ULPD, no parent. May be enabled by ext hardware. */ + .hw.init = CLK_HW_INIT_NO_PARENT("bclk", &omap1_clk_rate_ops, 0), .rate = 12000000, }; -static struct clk bclk_16xx = { - .name = "bclk", +static struct omap1_clk bclk_16xx = { .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ + .hw.init = CLK_HW_INIT_NO_PARENT("bclk", &omap1_clk_full_ops, 0), .enable_reg = OMAP1_IO_ADDRESS(SWD_CLK_DIV_CTRL_SEL), .enable_bit = SWD_ULPD_PLL_CLK_REQ, .set_rate = &omap1_set_ext_clk_rate, @@ -595,11 +540,10 @@ static struct clk bclk_16xx = { .init = &omap1_init_ext_clk, }; -static struct clk mmc1_ck = { - .name = "mmc1_ck", +static struct omap1_clk mmc1_ck = { .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ - .parent = &armper_ck.clk, + .hw.init = CLK_HW_INIT("mmc1_ck", "armper_ck", &omap1_clk_full_ops, 0), .rate = 48000000, .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), @@ -610,32 +554,29 @@ static struct clk mmc1_ck = { * XXX MOD_CONF_CTRL_0 bit 20 is defined in the 1510 TRM as * CONF_MOD_MCBSP3_AUXON ?? */ -static struct clk mmc2_ck = { - .name = "mmc2_ck", +static struct omap1_clk mmc2_ck = { .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ - .parent = &armper_ck.clk, + .hw.init = CLK_HW_INIT("mmc2_ck", "armper_ck", &omap1_clk_full_ops, 0), .rate = 48000000, .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 20, }; -static struct clk mmc3_ck = { - .name = "mmc3_ck", +static struct omap1_clk mmc3_ck = { .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ - .parent = &armper_ck.clk, + .hw.init = CLK_HW_INIT("mmc3_ck", "armper_ck", &omap1_clk_full_ops, 0), .rate = 48000000, .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = SOFT_MMC_DPLL_REQ_SHIFT, }; -static struct clk virtual_ck_mpu = { - .name = "mpu", - .ops = &clkops_null, - .parent = &arm_ck, /* Is smarter alias for */ +static struct omap1_clk virtual_ck_mpu = { + /* Is smarter alias for arm_ck */ + .hw.init = CLK_HW_INIT("mpu", "arm_ck", &omap1_clk_rate_ops, 0), .recalc = &followparent_recalc, .set_rate = &omap1_select_table_rate, .round_rate = &omap1_round_to_table_rate, @@ -643,20 +584,14 @@ static struct clk virtual_ck_mpu = { /* virtual functional clock domain for I2C. Just for making sure that ARMXOR_CK remains active during MPU idle whenever this is enabled */ -static struct clk i2c_fck = { - .name = "i2c_fck", - .ops = &clkops_null, +static struct omap1_clk i2c_fck = { + .hw.init = CLK_HW_INIT("i2c_fck", "armxor_ck", &omap1_clk_gate_ops, 0), .flags = CLOCK_NO_IDLE_PARENT, - .parent = &armxor_ck.clk, - .recalc = &followparent_recalc, }; -static struct clk i2c_ick = { - .name = "i2c_ick", - .ops = &clkops_null, +static struct omap1_clk i2c_ick = { + .hw.init = CLK_HW_INIT("i2c_ick", "armper_ck", &omap1_clk_gate_ops, 0), .flags = CLOCK_NO_IDLE_PARENT, - .parent = &armper_ck.clk, - .recalc = &followparent_recalc, }; /* @@ -665,81 +600,81 @@ static struct clk i2c_ick = { static struct omap_clk omap_clks[] = { /* non-ULPD clocks */ - CLK(NULL, "ck_ref", &ck_ref, CK_16XX | CK_1510 | CK_310 | CK_7XX), - CLK(NULL, "ck_dpll1", &ck_dpll1, CK_16XX | CK_1510 | CK_310 | CK_7XX), + CLK(NULL, "ck_ref", &ck_ref.hw, CK_16XX | CK_1510 | CK_310 | CK_7XX), + CLK(NULL, "ck_dpll1", &ck_dpll1.hw, CK_16XX | CK_1510 | CK_310 | CK_7XX), /* CK_GEN1 clocks */ - CLK(NULL, "ck_dpll1out", &ck_dpll1out.clk, CK_16XX), - CLK(NULL, "ck_sossi", &sossi_ck, CK_16XX), - CLK(NULL, "arm_ck", &arm_ck, CK_16XX | CK_1510 | CK_310), - CLK(NULL, "armper_ck", &armper_ck.clk, CK_16XX | CK_1510 | CK_310), - CLK("omap_gpio.0", "ick", &arm_gpio_ck, CK_1510 | CK_310), - CLK(NULL, "armxor_ck", &armxor_ck.clk, CK_16XX | CK_1510 | CK_310 | CK_7XX), - CLK(NULL, "armtim_ck", &armtim_ck.clk, CK_16XX | CK_1510 | CK_310), - CLK("omap_wdt", "fck", &armwdt_ck.clk, CK_16XX | CK_1510 | CK_310), - CLK("omap_wdt", "ick", &armper_ck.clk, CK_16XX), - CLK("omap_wdt", "ick", &dummy_ck, CK_1510 | CK_310), - CLK(NULL, "arminth_ck", &arminth_ck1510, CK_1510 | CK_310), - CLK(NULL, "arminth_ck", &arminth_ck16xx, CK_16XX), + CLK(NULL, "ck_dpll1out", &ck_dpll1out.clk.hw, CK_16XX), + CLK(NULL, "ck_sossi", &sossi_ck.hw, CK_16XX), + CLK(NULL, "arm_ck", &arm_ck.hw, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "armper_ck", &armper_ck.clk.hw, CK_16XX | CK_1510 | CK_310), + CLK("omap_gpio.0", "ick", &arm_gpio_ck.hw, CK_1510 | CK_310), + CLK(NULL, "armxor_ck", &armxor_ck.clk.hw, CK_16XX | CK_1510 | CK_310 | CK_7XX), + CLK(NULL, "armtim_ck", &armtim_ck.clk.hw, CK_16XX | CK_1510 | CK_310), + CLK("omap_wdt", "fck", &armwdt_ck.clk.hw, CK_16XX | CK_1510 | CK_310), + CLK("omap_wdt", "ick", &armper_ck.clk.hw, CK_16XX), + CLK("omap_wdt", "ick", &dummy_ck.hw, CK_1510 | CK_310), + CLK(NULL, "arminth_ck", &arminth_ck1510.hw, CK_1510 | CK_310), + CLK(NULL, "arminth_ck", &arminth_ck16xx.hw, CK_16XX), /* CK_GEN2 clocks */ - CLK(NULL, "dsp_ck", &dsp_ck, CK_16XX | CK_1510 | CK_310), - CLK(NULL, "dspmmu_ck", &dspmmu_ck, CK_16XX | CK_1510 | CK_310), - CLK(NULL, "dspper_ck", &dspper_ck, CK_16XX | CK_1510 | CK_310), - CLK(NULL, "dspxor_ck", &dspxor_ck, CK_16XX | CK_1510 | CK_310), - CLK(NULL, "dsptim_ck", &dsptim_ck, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dsp_ck", &dsp_ck.hw, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dspmmu_ck", &dspmmu_ck.hw, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dspper_ck", &dspper_ck.hw, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dspxor_ck", &dspxor_ck.hw, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dsptim_ck", &dsptim_ck.hw, CK_16XX | CK_1510 | CK_310), /* CK_GEN3 clocks */ - CLK(NULL, "tc_ck", &tc_ck.clk, CK_16XX | CK_1510 | CK_310 | CK_7XX), - CLK(NULL, "tipb_ck", &tipb_ck, CK_1510 | CK_310), - CLK(NULL, "l3_ocpi_ck", &l3_ocpi_ck, CK_16XX | CK_7XX), - CLK(NULL, "tc1_ck", &tc1_ck, CK_16XX), - CLK(NULL, "tc2_ck", &tc2_ck, CK_16XX), - CLK(NULL, "dma_ck", &dma_ck, CK_16XX | CK_1510 | CK_310), - CLK(NULL, "dma_lcdfree_ck", &dma_lcdfree_ck, CK_16XX), - CLK(NULL, "api_ck", &api_ck.clk, CK_16XX | CK_1510 | CK_310 | CK_7XX), - CLK(NULL, "lb_ck", &lb_ck.clk, CK_1510 | CK_310), - CLK(NULL, "rhea1_ck", &rhea1_ck, CK_16XX), - CLK(NULL, "rhea2_ck", &rhea2_ck, CK_16XX), - CLK(NULL, "lcd_ck", &lcd_ck_16xx, CK_16XX | CK_7XX), - CLK(NULL, "lcd_ck", &lcd_ck_1510.clk, CK_1510 | CK_310), + CLK(NULL, "tc_ck", &tc_ck.clk.hw, CK_16XX | CK_1510 | CK_310 | CK_7XX), + CLK(NULL, "tipb_ck", &tipb_ck.hw, CK_1510 | CK_310), + CLK(NULL, "l3_ocpi_ck", &l3_ocpi_ck.hw, CK_16XX | CK_7XX), + CLK(NULL, "tc1_ck", &tc1_ck.hw, CK_16XX), + CLK(NULL, "tc2_ck", &tc2_ck.hw, CK_16XX), + CLK(NULL, "dma_ck", &dma_ck.hw, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dma_lcdfree_ck", &dma_lcdfree_ck.hw, CK_16XX), + CLK(NULL, "api_ck", &api_ck.clk.hw, CK_16XX | CK_1510 | CK_310 | CK_7XX), + CLK(NULL, "lb_ck", &lb_ck.clk.hw, CK_1510 | CK_310), + CLK(NULL, "rhea1_ck", &rhea1_ck.hw, CK_16XX), + CLK(NULL, "rhea2_ck", &rhea2_ck.hw, CK_16XX), + CLK(NULL, "lcd_ck", &lcd_ck_16xx.hw, CK_16XX | CK_7XX), + CLK(NULL, "lcd_ck", &lcd_ck_1510.clk.hw, CK_1510 | CK_310), /* ULPD clocks */ - CLK(NULL, "uart1_ck", &uart1_1510, CK_1510 | CK_310), - CLK(NULL, "uart1_ck", &uart1_16xx.clk, CK_16XX), - CLK(NULL, "uart1_ck", &uart1_7xx, CK_7XX), - CLK(NULL, "uart2_ck", &uart2_ck, CK_16XX | CK_1510 | CK_310), - CLK(NULL, "uart2_ck", &uart2_7xx, CK_7XX), - CLK(NULL, "uart3_ck", &uart3_1510, CK_1510 | CK_310), - CLK(NULL, "uart3_ck", &uart3_16xx.clk, CK_16XX), - CLK(NULL, "usb_clko", &usb_clko, CK_16XX | CK_1510 | CK_310), - CLK(NULL, "usb_hhc_ck", &usb_hhc_ck1510, CK_1510 | CK_310), - CLK(NULL, "usb_hhc_ck", &usb_hhc_ck16xx, CK_16XX), - CLK(NULL, "usb_dc_ck", &usb_dc_ck, CK_16XX | CK_7XX), - CLK(NULL, "mclk", &mclk_1510, CK_1510 | CK_310), - CLK(NULL, "mclk", &mclk_16xx, CK_16XX), - CLK(NULL, "bclk", &bclk_1510, CK_1510 | CK_310), - CLK(NULL, "bclk", &bclk_16xx, CK_16XX), - CLK("mmci-omap.0", "fck", &mmc1_ck, CK_16XX | CK_1510 | CK_310), - CLK("mmci-omap.0", "fck", &mmc3_ck, CK_7XX), - CLK("mmci-omap.0", "ick", &armper_ck.clk, CK_16XX | CK_1510 | CK_310 | CK_7XX), - CLK("mmci-omap.1", "fck", &mmc2_ck, CK_16XX), - CLK("mmci-omap.1", "ick", &armper_ck.clk, CK_16XX), + CLK(NULL, "uart1_ck", &uart1_1510.hw, CK_1510 | CK_310), + CLK(NULL, "uart1_ck", &uart1_16xx.clk.hw, CK_16XX), + CLK(NULL, "uart1_ck", &uart1_7xx.hw, CK_7XX), + CLK(NULL, "uart2_ck", &uart2_ck.hw, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "uart2_ck", &uart2_7xx.hw, CK_7XX), + CLK(NULL, "uart3_ck", &uart3_1510.hw, CK_1510 | CK_310), + CLK(NULL, "uart3_ck", &uart3_16xx.clk.hw, CK_16XX), + CLK(NULL, "usb_clko", &usb_clko.hw, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "usb_hhc_ck", &usb_hhc_ck1510.hw, CK_1510 | CK_310), + CLK(NULL, "usb_hhc_ck", &usb_hhc_ck16xx.hw, CK_16XX), + CLK(NULL, "usb_dc_ck", &usb_dc_ck.hw, CK_16XX | CK_7XX), + CLK(NULL, "mclk", &mclk_1510.hw, CK_1510 | CK_310), + CLK(NULL, "mclk", &mclk_16xx.hw, CK_16XX), + CLK(NULL, "bclk", &bclk_1510.hw, CK_1510 | CK_310), + CLK(NULL, "bclk", &bclk_16xx.hw, CK_16XX), + CLK("mmci-omap.0", "fck", &mmc1_ck.hw, CK_16XX | CK_1510 | CK_310), + CLK("mmci-omap.0", "fck", &mmc3_ck.hw, CK_7XX), + CLK("mmci-omap.0", "ick", &armper_ck.clk.hw, CK_16XX | CK_1510 | CK_310 | CK_7XX), + CLK("mmci-omap.1", "fck", &mmc2_ck.hw, CK_16XX), + CLK("mmci-omap.1", "ick", &armper_ck.clk.hw, CK_16XX), /* Virtual clocks */ - CLK(NULL, "mpu", &virtual_ck_mpu, CK_16XX | CK_1510 | CK_310), - CLK("omap_i2c.1", "fck", &i2c_fck, CK_16XX | CK_1510 | CK_310 | CK_7XX), - CLK("omap_i2c.1", "ick", &i2c_ick, CK_16XX), - CLK("omap_i2c.1", "ick", &dummy_ck, CK_1510 | CK_310 | CK_7XX), - CLK("omap1_spi100k.1", "fck", &dummy_ck, CK_7XX), - CLK("omap1_spi100k.1", "ick", &dummy_ck, CK_7XX), - CLK("omap1_spi100k.2", "fck", &dummy_ck, CK_7XX), - CLK("omap1_spi100k.2", "ick", &dummy_ck, CK_7XX), - CLK("omap_uwire", "fck", &armxor_ck.clk, CK_16XX | CK_1510 | CK_310), - CLK("omap-mcbsp.1", "ick", &dspper_ck, CK_16XX), - CLK("omap-mcbsp.1", "ick", &dummy_ck, CK_1510 | CK_310), - CLK("omap-mcbsp.2", "ick", &armper_ck.clk, CK_16XX), - CLK("omap-mcbsp.2", "ick", &dummy_ck, CK_1510 | CK_310), - CLK("omap-mcbsp.3", "ick", &dspper_ck, CK_16XX), - CLK("omap-mcbsp.3", "ick", &dummy_ck, CK_1510 | CK_310), - CLK("omap-mcbsp.1", "fck", &dspxor_ck, CK_16XX | CK_1510 | CK_310), - CLK("omap-mcbsp.2", "fck", &armper_ck.clk, CK_16XX | CK_1510 | CK_310), - CLK("omap-mcbsp.3", "fck", &dspxor_ck, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "mpu", &virtual_ck_mpu.hw, CK_16XX | CK_1510 | CK_310), + CLK("omap_i2c.1", "fck", &i2c_fck.hw, CK_16XX | CK_1510 | CK_310 | CK_7XX), + CLK("omap_i2c.1", "ick", &i2c_ick.hw, CK_16XX), + CLK("omap_i2c.1", "ick", &dummy_ck.hw, CK_1510 | CK_310 | CK_7XX), + CLK("omap1_spi100k.1", "fck", &dummy_ck.hw, CK_7XX), + CLK("omap1_spi100k.1", "ick", &dummy_ck.hw, CK_7XX), + CLK("omap1_spi100k.2", "fck", &dummy_ck.hw, CK_7XX), + CLK("omap1_spi100k.2", "ick", &dummy_ck.hw, CK_7XX), + CLK("omap_uwire", "fck", &armxor_ck.clk.hw, CK_16XX | CK_1510 | CK_310), + CLK("omap-mcbsp.1", "ick", &dspper_ck.hw, CK_16XX), + CLK("omap-mcbsp.1", "ick", &dummy_ck.hw, CK_1510 | CK_310), + CLK("omap-mcbsp.2", "ick", &armper_ck.clk.hw, CK_16XX), + CLK("omap-mcbsp.2", "ick", &dummy_ck.hw, CK_1510 | CK_310), + CLK("omap-mcbsp.3", "ick", &dspper_ck.hw, CK_16XX), + CLK("omap-mcbsp.3", "ick", &dummy_ck.hw, CK_1510 | CK_310), + CLK("omap-mcbsp.1", "fck", &dspxor_ck.hw, CK_16XX | CK_1510 | CK_310), + CLK("omap-mcbsp.2", "fck", &armper_ck.clk.hw, CK_16XX | CK_1510 | CK_310), + CLK("omap-mcbsp.3", "fck", &dspxor_ck.hw, CK_16XX | CK_1510 | CK_310), }; /* @@ -778,9 +713,6 @@ int __init omap1_clk_init(void) /* By default all idlect1 clocks are allowed to idle */ arm_idlect1_mask = ~0; - for (c = omap_clks; c < omap_clks + ARRAY_SIZE(omap_clks); c++) - clk_preinit(c->lk.clk); - cpu_mask = 0; if (cpu_is_omap1710()) cpu_mask |= CK_1710; @@ -793,16 +725,10 @@ int __init omap1_clk_init(void) if (cpu_is_omap310()) cpu_mask |= CK_310; - for (c = omap_clks; c < omap_clks + ARRAY_SIZE(omap_clks); c++) - if (c->cpu & cpu_mask) { - clkdev_add(&c->lk); - clk_register(c->lk.clk); - } - /* Pointers to these clocks are needed by code in clock.c */ - api_ck_p = clk_get(NULL, "api_ck"); - ck_dpll1_p = clk_get(NULL, "ck_dpll1"); - ck_ref_p = clk_get(NULL, "ck_ref"); + api_ck_p = &api_ck.clk; + ck_dpll1_p = &ck_dpll1; + ck_ref_p = &ck_ref; if (cpu_is_omap7xx()) ck_ref.rate = 13000000; @@ -844,10 +770,7 @@ int __init omap1_clk_init(void) } } } - propagate_rate(&ck_dpll1); - /* Cache rates for clocks connected to ck_ref (not dpll1) */ - propagate_rate(&ck_ref); - omap1_show_rates(); + if (machine_is_omap_perseus2() || machine_is_omap_fsample()) { /* Select slicer output as OMAP input clock */ omap_writew(omap_readw(OMAP7XX_PCC_UPLD_CTRL) & ~0x1, @@ -879,16 +802,28 @@ int __init omap1_clk_init(void) */ omap_writew(0x0000, ARM_IDLECT2); /* Turn LCD clock off also */ - /* - * Only enable those clocks we will need, let the drivers - * enable other clocks as necessary - */ - clk_enable(&armper_ck.clk); - clk_enable(&armxor_ck.clk); - clk_enable(&armtim_ck.clk); /* This should be done by timer code */ + for (c = omap_clks; c < omap_clks + ARRAY_SIZE(omap_clks); c++) { + if (!(c->cpu & cpu_mask)) + continue; + + if (c->lk.clk_hw->init) { /* NULL if provider already registered */ + const struct clk_init_data *init = c->lk.clk_hw->init; + const char *name = c->lk.clk_hw->init->name; + int err; + + err = clk_hw_register(NULL, c->lk.clk_hw); + if (err < 0) { + pr_err("failed to register clock \"%s\"! (%d)\n", name, err); + /* may be tried again, restore init data */ + c->lk.clk_hw->init = init; + continue; + } + } + + clk_hw_register_clkdev(c->lk.clk_hw, c->lk.con_id, c->lk.dev_id); + } - if (cpu_is_omap15xx()) - clk_enable(&arm_gpio_ck); + omap1_show_rates(); return 0; } @@ -900,7 +835,7 @@ void __init omap1_clk_late_init(void) unsigned long rate = ck_dpll1.rate; /* Find the highest supported frequency and enable it */ - if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) { + if (omap1_select_table_rate(&virtual_ck_mpu, ~0, arm_ck.rate)) { pr_err("System frequencies not set, using default. Check your config.\n"); /* * Reprogramming the DPLL is tricky, it must be done from SRAM. |