diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/dt-bindings/clock/rk3066a-cru.h | 5 | ||||
-rw-r--r-- | include/dt-bindings/clock/rk3188-cru-common.h | 5 | ||||
-rw-r--r-- | include/dt-bindings/clock/rk3188-cru.h | 5 | ||||
-rw-r--r-- | include/dt-bindings/clock/rk3288-cru.h | 5 | ||||
-rw-r--r-- | include/dt-bindings/clock/rk3368-cru.h | 384 | ||||
-rw-r--r-- | include/linux/clk-provider.h | 74 | ||||
-rw-r--r-- | include/linux/clk/tegra.h | 3 | ||||
-rw-r--r-- | include/linux/clk/ti.h | 157 |
8 files changed, 503 insertions, 135 deletions
diff --git a/include/dt-bindings/clock/rk3066a-cru.h b/include/dt-bindings/clock/rk3066a-cru.h index bc1ed1dbd855..d3a9824ef646 100644 --- a/include/dt-bindings/clock/rk3066a-cru.h +++ b/include/dt-bindings/clock/rk3066a-cru.h @@ -13,6 +13,9 @@ * GNU General Public License for more details. */ +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3066A_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3066A_H + #include <dt-bindings/clock/rk3188-cru-common.h> /* soft-reset indices */ @@ -33,3 +36,5 @@ #define SRST_HDMI 96 #define SRST_HDMI_APB 97 #define SRST_CIF1 111 + +#endif diff --git a/include/dt-bindings/clock/rk3188-cru-common.h b/include/dt-bindings/clock/rk3188-cru-common.h index 6a370503c954..8df77a7c030b 100644 --- a/include/dt-bindings/clock/rk3188-cru-common.h +++ b/include/dt-bindings/clock/rk3188-cru-common.h @@ -13,6 +13,9 @@ * GNU General Public License for more details. */ +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3188_COMMON_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3188_COMMON_H + /* core clocks from */ #define PLL_APLL 1 #define PLL_DPLL 2 @@ -248,3 +251,5 @@ #define SRST_PTM1_ATB 141 #define SRST_CTM 142 #define SRST_TS 143 + +#endif diff --git a/include/dt-bindings/clock/rk3188-cru.h b/include/dt-bindings/clock/rk3188-cru.h index 9fac8edd3f9d..9f2e631f2651 100644 --- a/include/dt-bindings/clock/rk3188-cru.h +++ b/include/dt-bindings/clock/rk3188-cru.h @@ -13,6 +13,9 @@ * GNU General Public License for more details. */ +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3188_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3188_H + #include <dt-bindings/clock/rk3188-cru-common.h> /* soft-reset indices */ @@ -49,3 +52,5 @@ #define SRST_GPU_BRIDGE 121 #define SRST_CTI3 123 #define SRST_CTI3_APB 124 + +#endif diff --git a/include/dt-bindings/clock/rk3288-cru.h b/include/dt-bindings/clock/rk3288-cru.h index dea419708d73..c719aacef14f 100644 --- a/include/dt-bindings/clock/rk3288-cru.h +++ b/include/dt-bindings/clock/rk3288-cru.h @@ -13,6 +13,9 @@ * GNU General Public License for more details. */ +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3288_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3288_H + /* core clocks */ #define PLL_APLL 1 #define PLL_DPLL 2 @@ -376,3 +379,5 @@ #define SRST_TSP_CLKIN0 189 #define SRST_TSP_CLKIN1 190 #define SRST_TSP_27M 191 + +#endif diff --git a/include/dt-bindings/clock/rk3368-cru.h b/include/dt-bindings/clock/rk3368-cru.h new file mode 100644 index 000000000000..9c5dd9ba2f6c --- /dev/null +++ b/include/dt-bindings/clock/rk3368-cru.h @@ -0,0 +1,384 @@ +/* + * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de> + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3368_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3368_H + +/* core clocks */ +#define PLL_APLLB 1 +#define PLL_APLLL 2 +#define PLL_DPLL 3 +#define PLL_CPLL 4 +#define PLL_GPLL 5 +#define PLL_NPLL 6 +#define ARMCLKB 7 +#define ARMCLKL 8 + +/* sclk gates (special clocks) */ +#define SCLK_GPU_CORE 64 +#define SCLK_SPI0 65 +#define SCLK_SPI1 66 +#define SCLK_SPI2 67 +#define SCLK_SDMMC 68 +#define SCLK_SDIO0 69 +#define SCLK_EMMC 71 +#define SCLK_TSADC 72 +#define SCLK_SARADC 73 +#define SCLK_NANDC0 75 +#define SCLK_UART0 77 +#define SCLK_UART1 78 +#define SCLK_UART2 79 +#define SCLK_UART3 80 +#define SCLK_UART4 81 +#define SCLK_I2S_8CH 82 +#define SCLK_SPDIF_8CH 83 +#define SCLK_I2S_2CH 84 +#define SCLK_TIMER0 85 +#define SCLK_TIMER1 86 +#define SCLK_TIMER2 87 +#define SCLK_TIMER3 88 +#define SCLK_TIMER4 89 +#define SCLK_TIMER5 90 +#define SCLK_TIMER6 91 +#define SCLK_OTGPHY0 93 +#define SCLK_OTG_ADP 96 +#define SCLK_HSICPHY480M 97 +#define SCLK_HSICPHY12M 98 +#define SCLK_MACREF 99 +#define SCLK_VOP0_PWM 100 +#define SCLK_MAC_RX 102 +#define SCLK_MAC_TX 103 +#define SCLK_EDP_24M 104 +#define SCLK_EDP 105 +#define SCLK_RGA 106 +#define SCLK_ISP 107 +#define SCLK_HDCP 108 +#define SCLK_HDMI_HDCP 109 +#define SCLK_HDMI_CEC 110 +#define SCLK_HEVC_CABAC 111 +#define SCLK_HEVC_CORE 112 +#define SCLK_I2S_8CH_OUT 113 +#define SCLK_SDMMC_DRV 114 +#define SCLK_SDIO0_DRV 115 +#define SCLK_EMMC_DRV 117 +#define SCLK_SDMMC_SAMPLE 118 +#define SCLK_SDIO0_SAMPLE 119 +#define SCLK_EMMC_SAMPLE 121 +#define SCLK_USBPHY480M 122 +#define SCLK_PVTM_CORE 123 +#define SCLK_PVTM_GPU 124 +#define SCLK_PVTM_PMU 125 +#define SCLK_SFC 126 +#define SCLK_MAC 127 +#define SCLK_MACREF_OUT 128 + +#define DCLK_VOP 190 +#define MCLK_CRYPTO 191 + +/* aclk gates */ +#define ACLK_GPU_MEM 192 +#define ACLK_GPU_CFG 193 +#define ACLK_DMAC_BUS 194 +#define ACLK_DMAC_PERI 195 +#define ACLK_PERI_MMU 196 +#define ACLK_GMAC 197 +#define ACLK_VOP 198 +#define ACLK_VOP_IEP 199 +#define ACLK_RGA 200 +#define ACLK_HDCP 201 +#define ACLK_IEP 202 +#define ACLK_VIO0_NOC 203 +#define ACLK_VIP 204 +#define ACLK_ISP 205 +#define ACLK_VIO1_NOC 206 +#define ACLK_VIDEO 208 +#define ACLK_BUS 209 +#define ACLK_PERI 210 + +/* pclk gates */ +#define PCLK_GPIO0 320 +#define PCLK_GPIO1 321 +#define PCLK_GPIO2 322 +#define PCLK_GPIO3 323 +#define PCLK_PMUGRF 324 +#define PCLK_MAILBOX 325 +#define PCLK_GRF 329 +#define PCLK_SGRF 330 +#define PCLK_PMU 331 +#define PCLK_I2C0 332 +#define PCLK_I2C1 333 +#define PCLK_I2C2 334 +#define PCLK_I2C3 335 +#define PCLK_I2C4 336 +#define PCLK_I2C5 337 +#define PCLK_SPI0 338 +#define PCLK_SPI1 339 +#define PCLK_SPI2 340 +#define PCLK_UART0 341 +#define PCLK_UART1 342 +#define PCLK_UART2 343 +#define PCLK_UART3 344 +#define PCLK_UART4 345 +#define PCLK_TSADC 346 +#define PCLK_SARADC 347 +#define PCLK_SIM 348 +#define PCLK_GMAC 349 +#define PCLK_PWM0 350 +#define PCLK_PWM1 351 +#define PCLK_TIMER0 353 +#define PCLK_TIMER1 354 +#define PCLK_EDP_CTRL 355 +#define PCLK_MIPI_DSI0 356 +#define PCLK_MIPI_CSI 358 +#define PCLK_HDCP 359 +#define PCLK_HDMI_CTRL 360 +#define PCLK_VIO_H2P 361 +#define PCLK_BUS 362 +#define PCLK_PERI 363 +#define PCLK_DDRUPCTL 364 +#define PCLK_DDRPHY 365 +#define PCLK_ISP 366 +#define PCLK_VIP 367 +#define PCLK_WDT 368 + +/* hclk gates */ +#define HCLK_SFC 448 +#define HCLK_OTG0 449 +#define HCLK_HOST0 450 +#define HCLK_HOST1 451 +#define HCLK_HSIC 452 +#define HCLK_NANDC0 453 +#define HCLK_TSP 455 +#define HCLK_SDMMC 456 +#define HCLK_SDIO0 457 +#define HCLK_EMMC 459 +#define HCLK_HSADC 460 +#define HCLK_CRYPTO 461 +#define HCLK_I2S_2CH 462 +#define HCLK_I2S_8CH 463 +#define HCLK_SPDIF 464 +#define HCLK_VOP 465 +#define HCLK_ROM 467 +#define HCLK_IEP 468 +#define HCLK_ISP 469 +#define HCLK_RGA 470 +#define HCLK_VIO_AHB_ARBI 471 +#define HCLK_VIO_NOC 472 +#define HCLK_VIP 473 +#define HCLK_VIO_H2P 474 +#define HCLK_VIO_HDCPMMU 475 +#define HCLK_VIDEO 476 +#define HCLK_BUS 477 +#define HCLK_PERI 478 + +#define CLK_NR_CLKS (HCLK_PERI + 1) + +/* soft-reset indices */ +#define SRST_CORE_B0 0 +#define SRST_CORE_B1 1 +#define SRST_CORE_B2 2 +#define SRST_CORE_B3 3 +#define SRST_CORE_B0_PO 4 +#define SRST_CORE_B1_PO 5 +#define SRST_CORE_B2_PO 6 +#define SRST_CORE_B3_PO 7 +#define SRST_L2_B 8 +#define SRST_ADB_B 9 +#define SRST_PD_CORE_B_NIU 10 +#define SRST_PDBUS_STRSYS 11 +#define SRST_SOCDBG_B 14 +#define SRST_CORE_B_DBG 15 + +#define SRST_DMAC1 18 +#define SRST_INTMEM 19 +#define SRST_ROM 20 +#define SRST_SPDIF8CH 21 +#define SRST_I2S8CH 23 +#define SRST_MAILBOX 24 +#define SRST_I2S2CH 25 +#define SRST_EFUSE_256 26 +#define SRST_MCU_SYS 28 +#define SRST_MCU_PO 29 +#define SRST_MCU_NOC 30 +#define SRST_EFUSE 31 + +#define SRST_GPIO0 32 +#define SRST_GPIO1 33 +#define SRST_GPIO2 34 +#define SRST_GPIO3 35 +#define SRST_GPIO4 36 +#define SRST_PMUGRF 41 +#define SRST_I2C0 42 +#define SRST_I2C1 43 +#define SRST_I2C2 44 +#define SRST_I2C3 45 +#define SRST_I2C4 46 +#define SRST_I2C5 47 + +#define SRST_DWPWM 48 +#define SRST_MMC_PERI 49 +#define SRST_PERIPH_MMU 50 +#define SRST_GRF 55 +#define SRST_PMU 56 +#define SRST_PERIPH_AXI 57 +#define SRST_PERIPH_AHB 58 +#define SRST_PERIPH_APB 59 +#define SRST_PERIPH_NIU 60 +#define SRST_PDPERI_AHB_ARBI 61 +#define SRST_EMEM 62 +#define SRST_USB_PERI 63 + +#define SRST_DMAC2 64 +#define SRST_MAC 66 +#define SRST_GPS 67 +#define SRST_RKPWM 69 +#define SRST_USBHOST0 72 +#define SRST_HSIC 73 +#define SRST_HSIC_AUX 74 +#define SRST_HSIC_PHY 75 +#define SRST_HSADC 76 +#define SRST_NANDC0 77 +#define SRST_SFC 79 + +#define SRST_SPI0 83 +#define SRST_SPI1 84 +#define SRST_SPI2 85 +#define SRST_SARADC 87 +#define SRST_PDALIVE_NIU 88 +#define SRST_PDPMU_INTMEM 89 +#define SRST_PDPMU_NIU 90 +#define SRST_SGRF 91 + +#define SRST_VIO_ARBI 96 +#define SRST_RGA_NIU 97 +#define SRST_VIO0_NIU_AXI 98 +#define SRST_VIO_NIU_AHB 99 +#define SRST_LCDC0_AXI 100 +#define SRST_LCDC0_AHB 101 +#define SRST_LCDC0_DCLK 102 +#define SRST_VIP 104 +#define SRST_RGA_CORE 105 +#define SRST_IEP_AXI 106 +#define SRST_IEP_AHB 107 +#define SRST_RGA_AXI 108 +#define SRST_RGA_AHB 109 +#define SRST_ISP 110 +#define SRST_EDP_24M 111 + +#define SRST_VIDEO_AXI 112 +#define SRST_VIDEO_AHB 113 +#define SRST_MIPIDPHYTX 114 +#define SRST_MIPIDSI0 115 +#define SRST_MIPIDPHYRX 116 +#define SRST_MIPICSI 117 +#define SRST_GPU 120 +#define SRST_HDMI 121 +#define SRST_EDP 122 +#define SRST_PMU_PVTM 123 +#define SRST_CORE_PVTM 124 +#define SRST_GPU_PVTM 125 +#define SRST_GPU_SYS 126 +#define SRST_GPU_MEM_NIU 127 + +#define SRST_MMC0 128 +#define SRST_SDIO0 129 +#define SRST_EMMC 131 +#define SRST_USBOTG_AHB 132 +#define SRST_USBOTG_PHY 133 +#define SRST_USBOTG_CON 134 +#define SRST_USBHOST0_AHB 135 +#define SRST_USBHOST0_PHY 136 +#define SRST_USBHOST0_CON 137 +#define SRST_USBOTG_UTMI 138 +#define SRST_USBHOST1_UTMI 139 +#define SRST_USB_ADP 141 + +#define SRST_CORESIGHT 144 +#define SRST_PD_CORE_AHB_NOC 145 +#define SRST_PD_CORE_APB_NOC 146 +#define SRST_GIC 148 +#define SRST_LCDC_PWM0 149 +#define SRST_RGA_H2P_BRG 153 +#define SRST_VIDEO 154 +#define SRST_GPU_CFG_NIU 157 +#define SRST_TSADC 159 + +#define SRST_DDRPHY0 160 +#define SRST_DDRPHY0_APB 161 +#define SRST_DDRCTRL0 162 +#define SRST_DDRCTRL0_APB 163 +#define SRST_VIDEO_NIU 165 +#define SRST_VIDEO_NIU_AHB 167 +#define SRST_DDRMSCH0 170 +#define SRST_PDBUS_AHB 173 +#define SRST_CRYPTO 174 + +#define SRST_UART0 179 +#define SRST_UART1 180 +#define SRST_UART2 181 +#define SRST_UART3 182 +#define SRST_UART4 183 +#define SRST_SIMC 186 +#define SRST_TSP 188 +#define SRST_TSP_CLKIN0 189 + +#define SRST_CORE_L0 192 +#define SRST_CORE_L1 193 +#define SRST_CORE_L2 194 +#define SRST_CORE_L3 195 +#define SRST_CORE_L0_PO 195 +#define SRST_CORE_L1_PO 197 +#define SRST_CORE_L2_PO 198 +#define SRST_CORE_L3_PO 199 +#define SRST_L2_L 200 +#define SRST_ADB_L 201 +#define SRST_PD_CORE_L_NIU 202 +#define SRST_CCI_SYS 203 +#define SRST_CCI_DDR 204 +#define SRST_CCI 205 +#define SRST_SOCDBG_L 206 +#define SRST_CORE_L_DBG 207 + +#define SRST_CORE_B0_NC 208 +#define SRST_CORE_B0_PO_NC 209 +#define SRST_L2_B_NC 210 +#define SRST_ADB_B_NC 211 +#define SRST_PD_CORE_B_NIU_NC 212 +#define SRST_PDBUS_STRSYS_NC 213 +#define SRST_CORE_L0_NC 214 +#define SRST_CORE_L0_PO_NC 215 +#define SRST_L2_L_NC 216 +#define SRST_ADB_L_NC 217 +#define SRST_PD_CORE_L_NIU_NC 218 +#define SRST_CCI_SYS_NC 219 +#define SRST_CCI_DDR_NC 220 +#define SRST_CCI_NC 221 +#define SRST_TRACE_NC 222 + +#define SRST_TIMER00 224 +#define SRST_TIMER01 225 +#define SRST_TIMER02 226 +#define SRST_TIMER03 227 +#define SRST_TIMER04 228 +#define SRST_TIMER05 229 +#define SRST_TIMER10 230 +#define SRST_TIMER11 231 +#define SRST_TIMER12 232 +#define SRST_TIMER13 233 +#define SRST_TIMER14 234 +#define SRST_TIMER15 235 +#define SRST_TIMER0_APB 236 +#define SRST_TIMER1_APB 237 + +#endif diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 78842f46f152..699a25075170 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -11,7 +11,6 @@ #ifndef __LINUX_CLK_PROVIDER_H #define __LINUX_CLK_PROVIDER_H -#include <linux/clk.h> #include <linux/io.h> #include <linux/of.h> @@ -33,11 +32,34 @@ #define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */ #define CLK_RECALC_NEW_RATES BIT(9) /* recalc rates after notifications */ +struct clk; struct clk_hw; struct clk_core; struct dentry; /** + * struct clk_rate_request - Structure encoding the clk constraints that + * a clock user might require. + * + * @rate: Requested clock rate. This field will be adjusted by + * clock drivers according to hardware capabilities. + * @min_rate: Minimum rate imposed by clk users. + * @max_rate: Maximum rate a imposed by clk users. + * @best_parent_rate: The best parent rate a parent can provide to fulfill the + * requested constraints. + * @best_parent_hw: The most appropriate parent clock that fulfills the + * requested constraints. + * + */ +struct clk_rate_request { + unsigned long rate; + unsigned long min_rate; + unsigned long max_rate; + unsigned long best_parent_rate; + struct clk_hw *best_parent_hw; +}; + +/** * struct clk_ops - Callback operations for hardware clocks; these are to * be provided by the clock implementation, and will be called by drivers * through the clk_* api. @@ -176,12 +198,8 @@ struct clk_ops { unsigned long parent_rate); long (*round_rate)(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate); - long (*determine_rate)(struct clk_hw *hw, - unsigned long rate, - unsigned long min_rate, - unsigned long max_rate, - unsigned long *best_parent_rate, - struct clk_hw **best_parent_hw); + int (*determine_rate)(struct clk_hw *hw, + struct clk_rate_request *req); int (*set_parent)(struct clk_hw *hw, u8 index); u8 (*get_parent)(struct clk_hw *hw); int (*set_rate)(struct clk_hw *hw, unsigned long rate, @@ -343,6 +361,9 @@ struct clk_div_table { * to the closest integer instead of the up one. * CLK_DIVIDER_READ_ONLY - The divider settings are preconfigured and should * not be changed by the clock framework. + * CLK_DIVIDER_MAX_AT_ZERO - For dividers which are like CLK_DIVIDER_ONE_BASED + * except when the value read from the register is zero, the divisor is + * 2^width of the field. */ struct clk_divider { struct clk_hw hw; @@ -360,6 +381,7 @@ struct clk_divider { #define CLK_DIVIDER_HIWORD_MASK BIT(3) #define CLK_DIVIDER_ROUND_CLOSEST BIT(4) #define CLK_DIVIDER_READ_ONLY BIT(5) +#define CLK_DIVIDER_MAX_AT_ZERO BIT(6) extern const struct clk_ops clk_divider_ops; @@ -550,6 +572,23 @@ struct clk *clk_register_gpio_gate(struct device *dev, const char *name, void of_gpio_clk_gate_setup(struct device_node *node); /** + * struct clk_gpio_mux - gpio controlled clock multiplexer + * + * @hw: see struct clk_gpio + * @gpiod: gpio descriptor to select the parent of this clock multiplexer + * + * Clock with a gpio control for selecting the parent clock. + * Implements .get_parent, .set_parent and .determine_rate + */ + +extern const struct clk_ops clk_gpio_mux_ops; +struct clk *clk_register_gpio_mux(struct device *dev, const char *name, + const char **parent_names, u8 num_parents, unsigned gpio, + bool active_low, unsigned long flags); + +void of_gpio_mux_clk_setup(struct device_node *node); + +/** * clk_register - allocate a new clock, register it and return an opaque cookie * @dev: device that is registering this clock * @hw: link to hardware-specific clock data @@ -578,21 +617,14 @@ unsigned long __clk_get_flags(struct clk *clk); bool __clk_is_prepared(struct clk *clk); bool __clk_is_enabled(struct clk *clk); struct clk *__clk_lookup(const char *name); -long __clk_mux_determine_rate(struct clk_hw *hw, unsigned long rate, - unsigned long min_rate, - unsigned long max_rate, - unsigned long *best_parent_rate, - struct clk_hw **best_parent_p); -unsigned long __clk_determine_rate(struct clk_hw *core, - unsigned long rate, - unsigned long min_rate, - unsigned long max_rate); -long __clk_mux_determine_rate_closest(struct clk_hw *hw, unsigned long rate, - unsigned long min_rate, - unsigned long max_rate, - unsigned long *best_parent_rate, - struct clk_hw **best_parent_p); +int __clk_mux_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req); +int __clk_determine_rate(struct clk_hw *core, struct clk_rate_request *req); +int __clk_mux_determine_rate_closest(struct clk_hw *hw, + struct clk_rate_request *req); void clk_hw_reparent(struct clk_hw *hw, struct clk_hw *new_parent); +void clk_hw_set_rate_range(struct clk_hw *hw, unsigned long min_rate, + unsigned long max_rate); static inline void __clk_hw_set_clk(struct clk_hw *dst, struct clk_hw *src) { diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h index 19c4208f4752..57bf7aab4516 100644 --- a/include/linux/clk/tegra.h +++ b/include/linux/clk/tegra.h @@ -17,7 +17,8 @@ #ifndef __LINUX_CLK_TEGRA_H_ #define __LINUX_CLK_TEGRA_H_ -#include <linux/clk.h> +#include <linux/types.h> +#include <linux/bug.h> /* * Tegra CPU clock and reset control ops diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h index 79b76e13d904..9299222d680d 100644 --- a/include/linux/clk/ti.h +++ b/include/linux/clk/ti.h @@ -188,33 +188,6 @@ struct clk_hw_omap { /* DPLL Type and DCO Selection Flags */ #define DPLL_J_TYPE 0x1 -/* Composite clock component types */ -enum { - CLK_COMPONENT_TYPE_GATE = 0, - CLK_COMPONENT_TYPE_DIVIDER, - CLK_COMPONENT_TYPE_MUX, - CLK_COMPONENT_TYPE_MAX, -}; - -/** - * struct ti_dt_clk - OMAP DT clock alias declarations - * @lk: clock lookup definition - * @node_name: clock DT node to map to - */ -struct ti_dt_clk { - struct clk_lookup lk; - char *node_name; -}; - -#define DT_CLK(dev, con, name) \ - { \ - .lk = { \ - .dev_id = dev, \ - .con_id = con, \ - }, \ - .node_name = name, \ - } - /* Static memmap indices */ enum { TI_CLKM_CM = 0, @@ -225,8 +198,6 @@ enum { CLK_MAX_MEMMAPS }; -typedef void (*ti_of_clk_init_cb_t)(struct clk_hw *, struct device_node *); - /** * struct clk_omap_reg - OMAP register declaration * @offset: offset from the master IP module base address @@ -238,93 +209,56 @@ struct clk_omap_reg { }; /** - * struct ti_clk_ll_ops - low-level register access ops for a clock + * struct ti_clk_ll_ops - low-level ops for clocks * @clk_readl: pointer to register read function * @clk_writel: pointer to register write function + * @clkdm_clk_enable: pointer to clockdomain enable function + * @clkdm_clk_disable: pointer to clockdomain disable function + * @cm_wait_module_ready: pointer to CM module wait ready function + * @cm_split_idlest_reg: pointer to CM module function to split idlest reg * - * Low-level register access ops are generally used by the basic clock types - * (clk-gate, clk-mux, clk-divider etc.) to provide support for various - * low-level hardware interfaces (direct MMIO, regmap etc.), but can also be - * used by other hardware-specific clock drivers if needed. + * Low-level ops are generally used by the basic clock types (clk-gate, + * clk-mux, clk-divider etc.) to provide support for various low-level + * hadrware interfaces (direct MMIO, regmap etc.), and is initialized + * by board code. Low-level ops also contain some other platform specific + * operations not provided directly by clock drivers. */ struct ti_clk_ll_ops { u32 (*clk_readl)(void __iomem *reg); void (*clk_writel)(u32 val, void __iomem *reg); + int (*clkdm_clk_enable)(struct clockdomain *clkdm, struct clk *clk); + int (*clkdm_clk_disable)(struct clockdomain *clkdm, + struct clk *clk); + int (*cm_wait_module_ready)(u8 part, s16 prcm_mod, u16 idlest_reg, + u8 idlest_shift); + int (*cm_split_idlest_reg)(void __iomem *idlest_reg, s16 *prcm_inst, + u8 *idlest_reg_id); }; -extern struct ti_clk_ll_ops *ti_clk_ll_ops; - -extern const struct clk_ops ti_clk_divider_ops; -extern const struct clk_ops ti_clk_mux_ops; - #define to_clk_hw_omap(_hw) container_of(_hw, struct clk_hw_omap, hw) -void omap2_init_clk_hw_omap_clocks(struct clk *clk); -int omap3_noncore_dpll_enable(struct clk_hw *hw); -void omap3_noncore_dpll_disable(struct clk_hw *hw); -int omap3_noncore_dpll_set_parent(struct clk_hw *hw, u8 index); -int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate, - unsigned long parent_rate); -int omap3_noncore_dpll_set_rate_and_parent(struct clk_hw *hw, - unsigned long rate, - unsigned long parent_rate, - u8 index); -long omap3_noncore_dpll_determine_rate(struct clk_hw *hw, - unsigned long rate, - unsigned long min_rate, - unsigned long max_rate, - unsigned long *best_parent_rate, - struct clk_hw **best_parent_clk); -unsigned long omap4_dpll_regm4xen_recalc(struct clk_hw *hw, - unsigned long parent_rate); -long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw, - unsigned long target_rate, - unsigned long *parent_rate); -long omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw, - unsigned long rate, - unsigned long min_rate, - unsigned long max_rate, - unsigned long *best_parent_rate, - struct clk_hw **best_parent_clk); -u8 omap2_init_dpll_parent(struct clk_hw *hw); -unsigned long omap3_dpll_recalc(struct clk_hw *hw, unsigned long parent_rate); -long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate, - unsigned long *parent_rate); void omap2_init_clk_clkdm(struct clk_hw *clk); -unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw, - unsigned long parent_rate); -int omap3_clkoutx2_set_rate(struct clk_hw *hw, unsigned long rate, - unsigned long parent_rate); -long omap3_clkoutx2_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate); -int omap2_clkops_enable_clkdm(struct clk_hw *hw); -void omap2_clkops_disable_clkdm(struct clk_hw *hw); int omap2_clk_disable_autoidle_all(void); -void omap2_clk_enable_init_clocks(const char **clk_names, u8 num_clocks); -int omap3_dpll4_set_rate(struct clk_hw *clk, unsigned long rate, - unsigned long parent_rate); -int omap3_dpll4_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, - unsigned long parent_rate, u8 index); -int omap2_dflt_clk_enable(struct clk_hw *hw); -void omap2_dflt_clk_disable(struct clk_hw *hw); -int omap2_dflt_clk_is_enabled(struct clk_hw *hw); -void omap3_clk_lock_dpll5(void); +int omap2_clk_enable_autoidle_all(void); +int omap2_clk_allow_idle(struct clk *clk); +int omap2_clk_deny_idle(struct clk *clk); unsigned long omap2_dpllcore_recalc(struct clk_hw *hw, unsigned long parent_rate); int omap2_reprogram_dpllcore(struct clk_hw *clk, unsigned long rate, unsigned long parent_rate); void omap2xxx_clkt_dpllcore_init(struct clk_hw *hw); void omap2xxx_clkt_vps_init(void); +unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk); -void __iomem *ti_clk_get_reg_addr(struct device_node *node, int index); -void ti_dt_clocks_register(struct ti_dt_clk *oclks); -void ti_dt_clk_init_provider(struct device_node *np, int index); void ti_dt_clk_init_retry_clks(void); void ti_dt_clockdomains_setup(void); -int ti_clk_retry_init(struct device_node *node, struct clk_hw *hw, - ti_of_clk_init_cb_t func); -int of_ti_clk_autoidle_setup(struct device_node *node); -int ti_clk_add_component(struct device_node *node, struct clk_hw *hw, int type); +int ti_clk_setup_ll_ops(struct ti_clk_ll_ops *ops); + +struct regmap; + +int omap2_clk_provider_init(struct device_node *parent, int index, + struct regmap *syscon, void __iomem *mem); +void omap2_clk_legacy_provider_init(int index, void __iomem *mem); int omap3430_dt_clk_init(void); int omap3630_dt_clk_init(void); @@ -338,27 +272,24 @@ int am43xx_dt_clk_init(void); int omap2420_dt_clk_init(void); int omap2430_dt_clk_init(void); -#ifdef CONFIG_OF -void of_ti_clk_allow_autoidle_all(void); -void of_ti_clk_deny_autoidle_all(void); -#else -static inline void of_ti_clk_allow_autoidle_all(void) { } -static inline void of_ti_clk_deny_autoidle_all(void) { } -#endif +struct ti_clk_features { + u32 flags; + long fint_min; + long fint_max; + long fint_band1_max; + long fint_band2_min; + u8 dpll_bypass_vals; + u8 cm_idlest_val; +}; + +#define TI_CLK_DPLL_HAS_FREQSEL BIT(0) +#define TI_CLK_DPLL4_DENY_REPROGRAM BIT(1) +#define TI_CLK_DISABLE_CLKDM_CONTROL BIT(2) + +void ti_clk_setup_features(struct ti_clk_features *features); +const struct ti_clk_features *ti_clk_get_features(void); extern const struct clk_hw_omap_ops clkhwops_omap2xxx_dpll; -extern const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait; -extern const struct clk_hw_omap_ops clkhwops_omap3_dpll; -extern const struct clk_hw_omap_ops clkhwops_omap4_dpllmx; -extern const struct clk_hw_omap_ops clkhwops_wait; -extern const struct clk_hw_omap_ops clkhwops_omap3430es2_dss_usbhost_wait; -extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_module_wait; -extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_wait; -extern const struct clk_hw_omap_ops clkhwops_iclk; -extern const struct clk_hw_omap_ops clkhwops_iclk_wait; -extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_ssi_wait; -extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_dss_usbhost_wait; -extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_hsotgusb_wait; #ifdef CONFIG_ATAGS int omap3430_clk_legacy_init(void); |