diff options
Diffstat (limited to 'arch/arm/mach-omap2/clock34xx.h')
-rw-r--r-- | arch/arm/mach-omap2/clock34xx.h | 177 |
1 files changed, 28 insertions, 149 deletions
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index 764c7cd9fd8..70ec10deb65 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -48,6 +48,10 @@ static int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate); * DPLL5 supplies other peripheral clocks (USBHOST, USIM). */ +/* Forward declarations for DPLL bypass clocks */ +static struct clk dpll1_fck; +static struct clk dpll2_fck; + /* CM_CLKEN_PLL*.EN* bit values - not all are available for every DPLL */ #define DPLL_LOW_POWER_STOP 0x1 #define DPLL_LOW_POWER_BYPASS 0x5 @@ -217,16 +221,6 @@ static struct clk sys_clkout1 = { /* CM CLOCKS */ -static const struct clksel_rate dpll_bypass_rates[] = { - { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate dpll_locked_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - static const struct clksel_rate div16_dpll_rates[] = { { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, { .div = 2, .val = 2, .flags = RATE_IN_343X }, @@ -254,6 +248,8 @@ static struct dpll_data dpll1_dd = { .mult_div1_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL), .mult_mask = OMAP3430_MPU_DPLL_MULT_MASK, .div1_mask = OMAP3430_MPU_DPLL_DIV_MASK, + .clk_bypass = &dpll1_fck, + .clk_ref = &sys_ck, .freqsel_mask = OMAP3430_MPU_DPLL_FREQSEL_MASK, .control_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKEN_PLL), .enable_mask = OMAP3430_EN_MPU_DPLL_MASK, @@ -324,6 +320,8 @@ static struct dpll_data dpll2_dd = { .mult_div1_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL1_PLL), .mult_mask = OMAP3430_IVA2_DPLL_MULT_MASK, .div1_mask = OMAP3430_IVA2_DPLL_DIV_MASK, + .clk_bypass = &dpll2_fck, + .clk_ref = &sys_ck, .freqsel_mask = OMAP3430_IVA2_DPLL_FREQSEL_MASK, .control_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKEN_PLL), .enable_mask = OMAP3430_EN_IVA2_DPLL_MASK, @@ -384,6 +382,8 @@ static struct dpll_data dpll3_dd = { .mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), .mult_mask = OMAP3430_CORE_DPLL_MULT_MASK, .div1_mask = OMAP3430_CORE_DPLL_DIV_MASK, + .clk_bypass = &sys_ck, + .clk_ref = &sys_ck, .freqsel_mask = OMAP3430_CORE_DPLL_FREQSEL_MASK, .control_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_mask = OMAP3430_EN_CORE_DPLL_MASK, @@ -477,37 +477,19 @@ static struct clk dpll3_m2_ck = { .recalc = &omap2_clksel_recalc, }; -static const struct clksel core_ck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, - { .parent = &dpll3_m2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } -}; - static struct clk core_ck = { .name = "core_ck", .ops = &clkops_null, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), - .clksel_mask = OMAP3430_ST_CORE_CLK_MASK, - .clksel = core_ck_clksel, - .recalc = &omap2_clksel_recalc, -}; - -static const struct clksel dpll3_m2x2_ck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, - { .parent = &dpll3_x2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } + .parent = &dpll3_m2_ck, + .recalc = &followparent_recalc, }; static struct clk dpll3_m2x2_ck = { .name = "dpll3_m2x2_ck", .ops = &clkops_null, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), - .clksel_mask = OMAP3430_ST_CORE_CLK_MASK, - .clksel = dpll3_m2x2_ck_clksel, + .parent = &dpll3_x2_ck, .clkdm_name = "dpll3_clkdm", - .recalc = &omap2_clksel_recalc, + .recalc = &followparent_recalc, }; /* The PWRDN bit is apparently only available on 3430ES2 and above */ @@ -541,22 +523,12 @@ static struct clk dpll3_m3x2_ck = { .recalc = &omap3_clkoutx2_recalc, }; -static const struct clksel emu_core_alwon_ck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, - { .parent = &dpll3_m3x2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } -}; - static struct clk emu_core_alwon_ck = { .name = "emu_core_alwon_ck", .ops = &clkops_null, .parent = &dpll3_m3x2_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), - .clksel_mask = OMAP3430_ST_CORE_CLK_MASK, - .clksel = emu_core_alwon_ck_clksel, .clkdm_name = "dpll3_clkdm", - .recalc = &omap2_clksel_recalc, + .recalc = &followparent_recalc, }; /* DPLL4 */ @@ -566,6 +538,8 @@ static struct dpll_data dpll4_dd = { .mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL2), .mult_mask = OMAP3430_PERIPH_DPLL_MULT_MASK, .div1_mask = OMAP3430_PERIPH_DPLL_DIV_MASK, + .clk_bypass = &sys_ck, + .clk_ref = &sys_ck, .freqsel_mask = OMAP3430_PERIPH_DPLL_FREQSEL_MASK, .control_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_mask = OMAP3430_EN_PERIPH_DPLL_MASK, @@ -637,12 +611,6 @@ static struct clk dpll4_m2x2_ck = { .recalc = &omap3_clkoutx2_recalc, }; -static const struct clksel omap_96m_alwon_fck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, - { .parent = &dpll4_m2x2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } -}; - /* * DPLL4 generates DPLL4_M2X2_CLK which is then routed into the PRM as * PRM_96M_ALWON_(F)CLK. Two clocks then emerge from the PRM: @@ -653,11 +621,7 @@ static struct clk omap_96m_alwon_fck = { .name = "omap_96m_alwon_fck", .ops = &clkops_null, .parent = &dpll4_m2x2_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), - .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK, - .clksel = omap_96m_alwon_fck_clksel, - .recalc = &omap2_clksel_recalc, + .recalc = &followparent_recalc, }; static struct clk cm_96m_fck = { @@ -720,23 +684,6 @@ static struct clk dpll4_m3x2_ck = { .recalc = &omap3_clkoutx2_recalc, }; -static const struct clksel virt_omap_54m_fck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, - { .parent = &dpll4_m3x2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } -}; - -static struct clk virt_omap_54m_fck = { - .name = "virt_omap_54m_fck", - .ops = &clkops_null, - .parent = &dpll4_m3x2_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), - .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK, - .clksel = virt_omap_54m_fck_clksel, - .recalc = &omap2_clksel_recalc, -}; - static const struct clksel_rate omap_54m_d4m3x2_rates[] = { { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, { .div = 0 } @@ -748,7 +695,7 @@ static const struct clksel_rate omap_54m_alt_rates[] = { }; static const struct clksel omap_54m_clksel[] = { - { .parent = &virt_omap_54m_fck, .rates = omap_54m_d4m3x2_rates }, + { .parent = &dpll4_m3x2_ck, .rates = omap_54m_d4m3x2_rates }, { .parent = &sys_altclk, .rates = omap_54m_alt_rates }, { .parent = NULL } }; @@ -891,6 +838,8 @@ static struct dpll_data dpll5_dd = { .mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_CLKSEL4), .mult_mask = OMAP3430ES2_PERIPH2_DPLL_MULT_MASK, .div1_mask = OMAP3430ES2_PERIPH2_DPLL_DIV_MASK, + .clk_bypass = &sys_ck, + .clk_ref = &sys_ck, .freqsel_mask = OMAP3430ES2_PERIPH2_DPLL_FREQSEL_MASK, .control_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_CLKEN2), .enable_mask = OMAP3430ES2_EN_PERIPH2_DPLL_MASK, @@ -936,23 +885,6 @@ static struct clk dpll5_m2_ck = { .recalc = &omap2_clksel_recalc, }; -static const struct clksel omap_120m_fck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, - { .parent = &dpll5_m2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } -}; - -static struct clk omap_120m_fck = { - .name = "omap_120m_fck", - .ops = &clkops_null, - .parent = &dpll5_m2_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST2), - .clksel_mask = OMAP3430ES2_ST_PERIPH2_CLK_MASK, - .clksel = omap_120m_fck_clksel, - .recalc = &omap2_clksel_recalc, -}; - /* CM EXTERNAL CLOCK OUTPUTS */ static const struct clksel_rate clkout2_src_core_rates[] = { @@ -1058,28 +990,12 @@ static struct clk dpll1_fck = { .recalc = &omap2_clksel_recalc, }; -/* - * MPU clksel: - * If DPLL1 is locked, mpu_ck derives from DPLL1; otherwise, mpu_ck - * derives from the high-frequency bypass clock originating from DPLL3, - * called 'dpll1_fck' - */ -static const struct clksel mpu_clksel[] = { - { .parent = &dpll1_fck, .rates = dpll_bypass_rates }, - { .parent = &dpll1_x2m2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } -}; - static struct clk mpu_ck = { .name = "mpu_ck", .ops = &clkops_null, .parent = &dpll1_x2m2_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL), - .clksel_mask = OMAP3430_ST_MPU_CLK_MASK, - .clksel = mpu_clksel, .clkdm_name = "mpu_clkdm", - .recalc = &omap2_clksel_recalc, + .recalc = &followparent_recalc, }; /* arm_fck is divided by two when DPLL1 locked; otherwise, passthrough mpu_ck */ @@ -1129,19 +1045,6 @@ static struct clk dpll2_fck = { .recalc = &omap2_clksel_recalc, }; -/* - * IVA2 clksel: - * If DPLL2 is locked, iva2_ck derives from DPLL2; otherwise, iva2_ck - * derives from the high-frequency bypass clock originating from DPLL3, - * called 'dpll2_fck' - */ - -static const struct clksel iva2_clksel[] = { - { .parent = &dpll2_fck, .rates = dpll_bypass_rates }, - { .parent = &dpll2_m2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } -}; - static struct clk iva2_ck = { .name = "iva2_ck", .ops = &clkops_omap2_dflt_wait, @@ -1149,12 +1052,8 @@ static struct clk iva2_ck = { .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, CM_FCLKEN), .enable_bit = OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, - OMAP3430_CM_IDLEST_PLL), - .clksel_mask = OMAP3430_ST_IVA2_CLK_MASK, - .clksel = iva2_clksel, .clkdm_name = "iva2_clkdm", - .recalc = &omap2_clksel_recalc, + .recalc = &followparent_recalc, }; /* Common interface clocks */ @@ -1384,7 +1283,7 @@ static struct clk ts_fck = { static struct clk usbtll_fck = { .name = "usbtll_fck", .ops = &clkops_omap2_dflt, - .parent = &omap_120m_fck, + .parent = &dpll5_m2_ck, .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP3430ES2_CM_FCLKEN3), .enable_bit = OMAP3430ES2_EN_USBTLL_SHIFT, .recalc = &followparent_recalc, @@ -2094,24 +1993,14 @@ static struct clk des1_ick = { }; /* DSS */ -static const struct clksel dss1_alwon_fck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, - { .parent = &dpll4_m4x2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } -}; - static struct clk dss1_alwon_fck = { .name = "dss1_alwon_fck", .ops = &clkops_omap2_dflt, .parent = &dpll4_m4x2_ck, - .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_DSS1_SHIFT, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), - .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK, - .clksel = dss1_alwon_fck_clksel, .clkdm_name = "dss_clkdm", - .recalc = &omap2_clksel_recalc, + .recalc = &followparent_recalc, }; static struct clk dss_tv_fck = { @@ -2161,24 +2050,14 @@ static struct clk dss_ick = { /* CAM */ -static const struct clksel cam_mclk_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, - { .parent = &dpll4_m5x2_ck, .rates = dpll_locked_rates }, - { .parent = NULL } -}; - static struct clk cam_mclk = { .name = "cam_mclk", .ops = &clkops_omap2_dflt_wait, .parent = &dpll4_m5x2_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), - .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK, - .clksel = cam_mclk_clksel, .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_CAM_SHIFT, .clkdm_name = "cam_clkdm", - .recalc = &omap2_clksel_recalc, + .recalc = &followparent_recalc, }; static struct clk cam_ick = { @@ -2209,7 +2088,7 @@ static struct clk csi2_96m_fck = { static struct clk usbhost_120m_fck = { .name = "usbhost_120m_fck", .ops = &clkops_omap2_dflt_wait, - .parent = &omap_120m_fck, + .parent = &dpll5_m2_ck, .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN), .enable_bit = OMAP3430ES2_EN_USBHOST2_SHIFT, @@ -2260,7 +2139,7 @@ static const struct clksel_rate usim_120m_rates[] = { static const struct clksel usim_clksel[] = { { .parent = &omap_96m_fck, .rates = usim_96m_rates }, - { .parent = &omap_120m_fck, .rates = usim_120m_rates }, + { .parent = &dpll5_m2_ck, .rates = usim_120m_rates }, { .parent = &sys_ck, .rates = div2_rates }, { .parent = NULL }, }; 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