diff options
| -rw-r--r-- | drivers/clk/clk-stm32mp1.c | 847 |
1 files changed, 820 insertions, 27 deletions
diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c index 0470a1364eee..b5379a224183 100644 --- a/drivers/clk/clk-stm32mp1.c +++ b/drivers/clk/clk-stm32mp1.c @@ -132,6 +132,122 @@ static const char * const mcu_src[] = { "ck_hsi", "ck_hse", "ck_csi", "pll3_p" }; +static const char * const sdmmc12_src[] = { + "ck_axi", "pll3_r", "pll4_p", "ck_hsi" +}; + +static const char * const sdmmc3_src[] = { + "ck_mcu", "pll3_r", "pll4_p", "ck_hsi" +}; + +static const char * const fmc_src[] = { + "ck_axi", "pll3_r", "pll4_p", "ck_per" +}; + +static const char * const qspi_src[] = { + "ck_axi", "pll3_r", "pll4_p", "ck_per" +}; + +static const char * const eth_src[] = { + "pll4_p", "pll3_q" +}; + +static const char * const rng_src[] = { + "ck_csi", "pll4_r", "ck_lse", "ck_lsi" +}; + +static const char * const usbphy_src[] = { + "ck_hse", "pll4_r", "clk-hse-div2" +}; + +static const char * const usbo_src[] = { + "pll4_r", "ck_usbo_48m" +}; + +static const char * const stgen_src[] = { + "ck_hsi", "ck_hse" +}; + +static const char * const spdif_src[] = { + "pll4_p", "pll3_q", "ck_hsi" +}; + +static const char * const spi123_src[] = { + "pll4_p", "pll3_q", "i2s_ckin", "ck_per", "pll3_r" +}; + +static const char * const spi45_src[] = { + "pclk2", "pll4_q", "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const spi6_src[] = { + "pclk5", "pll4_q", "ck_hsi", "ck_csi", "ck_hse", "pll3_q" +}; + +static const char * const cec_src[] = { + "ck_lse", "ck_lsi", "ck_csi" +}; + +static const char * const i2c12_src[] = { + "pclk1", "pll4_r", "ck_hsi", "ck_csi" +}; + +static const char * const i2c35_src[] = { + "pclk1", "pll4_r", "ck_hsi", "ck_csi" +}; + +static const char * const i2c46_src[] = { + "pclk5", "pll3_q", "ck_hsi", "ck_csi" +}; + +static const char * const lptim1_src[] = { + "pclk1", "pll4_p", "pll3_q", "ck_lse", "ck_lsi", "ck_per" +}; + +static const char * const lptim23_src[] = { + "pclk3", "pll4_q", "ck_per", "ck_lse", "ck_lsi" +}; + +static const char * const lptim45_src[] = { + "pclk3", "pll4_p", "pll3_q", "ck_lse", "ck_lsi", "ck_per" +}; + +static const char * const usart1_src[] = { + "pclk5", "pll3_q", "ck_hsi", "ck_csi", "pll4_q", "ck_hse" +}; + +const char * const usart234578_src[] = { + "pclk1", "pll4_q", "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const usart6_src[] = { + "pclk2", "pll4_q", "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const dfsdm_src[] = { + "pclk2", "ck_mcu" +}; + +static const char * const fdcan_src[] = { + "ck_hse", "pll3_q", "pll4_q" +}; + +static const char * const sai_src[] = { + "pll4_q", "pll3_q", "i2s_ckin", "ck_per" +}; + +static const char * const sai2_src[] = { + "pll4_q", "pll3_q", "i2s_ckin", "ck_per", "spdif_ck_symb" +}; + +static const char * const adc12_src[] = { + "pll4_q", "ck_per" +}; + +static const char * const dsi_src[] = { + "ck_dsi_phy", "pll4_p" +}; + static const struct clk_div_table axi_div_table[] = { { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 }, { 4, 4 }, { 5, 4 }, { 6, 4 }, { 7, 4 }, @@ -152,6 +268,29 @@ static const struct clk_div_table apb_div_table[] = { { 0 }, }; +#define MAX_MUX_CLK 2 + +struct stm32_mmux { + u8 nbr_clk; + struct clk_hw *hws[MAX_MUX_CLK]; +}; + +struct stm32_clk_mmux { + struct clk_mux mux; + struct stm32_mmux *mmux; +}; + +struct stm32_mgate { + u8 nbr_clk; + u32 flag; +}; + +struct stm32_clk_mgate { + struct clk_gate gate; + struct stm32_mgate *mgate; + u32 mask; +}; + struct clock_config { u32 id; const char *name; @@ -199,6 +338,7 @@ struct mux_cfg { struct stm32_gate_cfg { struct gate_cfg *gate; + struct stm32_mgate *mgate; const struct clk_ops *ops; }; @@ -209,6 +349,7 @@ struct stm32_div_cfg { struct stm32_mux_cfg { struct mux_cfg *mux; + struct stm32_mmux *mmux; const struct clk_ops *ops; }; @@ -316,22 +457,38 @@ static struct clk_hw *_get_stm32_mux(void __iomem *base, const struct stm32_mux_cfg *cfg, spinlock_t *lock) { + struct stm32_clk_mmux *mmux; struct clk_mux *mux; struct clk_hw *mux_hw; - mux = kzalloc(sizeof(*mux), GFP_KERNEL); - if (!mux) - return ERR_PTR(-ENOMEM); - - mux->reg = cfg->mux->reg_off + base; - mux->shift = cfg->mux->shift; - mux->mask = (1 << cfg->mux->width) - 1; - mux->flags = cfg->mux->mux_flags; - mux->table = cfg->mux->table; - - mux->lock = lock; - - mux_hw = &mux->hw; + if (cfg->mmux) { + mmux = kzalloc(sizeof(*mmux), GFP_KERNEL); + if (!mmux) + return ERR_PTR(-ENOMEM); + + mmux->mux.reg = cfg->mux->reg_off + base; + mmux->mux.shift = cfg->mux->shift; + mmux->mux.mask = (1 << cfg->mux->width) - 1; + mmux->mux.flags = cfg->mux->mux_flags; + mmux->mux.table = cfg->mux->table; + mmux->mux.lock = lock; + mmux->mmux = cfg->mmux; + mux_hw = &mmux->mux.hw; + cfg->mmux->hws[cfg->mmux->nbr_clk++] = mux_hw; + + } else { + mux = kzalloc(sizeof(*mux), GFP_KERNEL); + if (!mux) + return ERR_PTR(-ENOMEM); + + mux->reg = cfg->mux->reg_off + base; + mux->shift = cfg->mux->shift; + mux->mask = (1 << cfg->mux->width) - 1; + mux->flags = cfg->mux->mux_flags; + mux->table = cfg->mux->table; + mux->lock = lock; + mux_hw = &mux->hw; + } return mux_hw; } @@ -361,18 +518,37 @@ static struct clk_hw * _get_stm32_gate(void __iomem *base, const struct stm32_gate_cfg *cfg, spinlock_t *lock) { + struct stm32_clk_mgate *mgate; struct clk_gate *gate; struct clk_hw *gate_hw; - gate = kzalloc(sizeof(*gate), GFP_KERNEL); - if (!gate) - return ERR_PTR(-ENOMEM); + if (cfg->mgate) { + mgate = kzalloc(sizeof(*mgate), GFP_KERNEL); + if (!mgate) + return ERR_PTR(-ENOMEM); + + mgate->gate.reg = cfg->gate->reg_off + base; + mgate->gate.bit_idx = cfg->gate->bit_idx; + mgate->gate.flags = cfg->gate->gate_flags; + mgate->gate.lock = lock; + mgate->mask = BIT(cfg->mgate->nbr_clk++); + + mgate->mgate = cfg->mgate; + + gate_hw = &mgate->gate.hw; + + } else { + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); - gate->reg = cfg->gate->reg_off + base; - gate->bit_idx = cfg->gate->bit_idx; - gate->flags = cfg->gate->gate_flags; - gate->lock = lock; - gate_hw = &gate->hw; + gate->reg = cfg->gate->reg_off + base; + gate->bit_idx = cfg->gate->bit_idx; + gate->flags = cfg->gate->gate_flags; + gate->lock = lock; + + gate_hw = &gate->hw; + } return gate_hw; } @@ -475,8 +651,72 @@ clk_stm32_register_composite(struct device *dev, gate_hw, gate_ops, flags); } -/* STM32 PLL */ +#define to_clk_mgate(_gate) container_of(_gate, struct stm32_clk_mgate, gate) + +static int mp1_mgate_clk_enable(struct clk_hw *hw) +{ + struct clk_gate *gate = to_clk_gate(hw); + struct stm32_clk_mgate *clk_mgate = to_clk_mgate(gate); + + clk_mgate->mgate->flag |= clk_mgate->mask; + + mp1_gate_clk_enable(hw); + + return 0; +} + +static void mp1_mgate_clk_disable(struct clk_hw *hw) +{ + struct clk_gate *gate = to_clk_gate(hw); + struct stm32_clk_mgate *clk_mgate = to_clk_mgate(gate); + + clk_mgate->mgate->flag &= ~clk_mgate->mask; + + if (clk_mgate->mgate->flag == 0) + mp1_gate_clk_disable(hw); +} + +const struct clk_ops mp1_mgate_clk_ops = { + .enable = mp1_mgate_clk_enable, + .disable = mp1_mgate_clk_disable, + .is_enabled = clk_gate_is_enabled, + +}; + +#define to_clk_mmux(_mux) container_of(_mux, struct stm32_clk_mmux, mux) + +static u8 clk_mmux_get_parent(struct clk_hw *hw) +{ + return clk_mux_ops.get_parent(hw); +} + +static int clk_mmux_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_mux *mux = to_clk_mux(hw); + struct stm32_clk_mmux *clk_mmux = to_clk_mmux(mux); + struct clk_hw *hwp; + int ret, n; + + ret = clk_mux_ops.set_parent(hw, index); + if (ret) + return ret; + + hwp = clk_hw_get_parent(hw); + + for (n = 0; n < clk_mmux->mmux->nbr_clk; n++) + if (clk_mmux->mmux->hws[n] != hw) + clk_hw_reparent(clk_mmux->mmux->hws[n], hwp); + + return 0; +} +const struct clk_ops clk_mmux_ops = { + .get_parent = clk_mmux_get_parent, + .set_parent = clk_mmux_set_parent, + .determine_rate = __clk_mux_determine_rate, +}; + +/* STM32 PLL */ struct stm32_pll_obj { /* lock pll enable/disable registers */ spinlock_t *lock; @@ -944,28 +1184,39 @@ _clk_stm32_register_composite(struct device *dev, .func = _clk_stm32_register_gate,\ } -#define _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags, _ops)\ +#define _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags, _mgate, _ops)\ (&(struct stm32_gate_cfg) {\ &(struct gate_cfg) {\ .reg_off = _gate_offset,\ .bit_idx = _gate_bit_idx,\ .gate_flags = _gate_flags,\ },\ + .mgate = _mgate,\ .ops = _ops,\ }) +#define _STM32_MGATE(_mgate)\ + (&per_gate_cfg[_mgate]) + #define _GATE(_gate_offset, _gate_bit_idx, _gate_flags)\ _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags,\ - NULL)\ + NULL, NULL)\ #define _GATE_MP1(_gate_offset, _gate_bit_idx, _gate_flags)\ _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags,\ - &mp1_gate_clk_ops)\ + NULL, &mp1_gate_clk_ops)\ + +#define _MGATE_MP1(_mgate)\ + .gate = &per_gate_cfg[_mgate] #define GATE_MP1(_id, _name, _parent, _flags, _offset, _bit_idx, _gate_flags)\ STM32_GATE(_id, _name, _parent, _flags,\ _GATE_MP1(_offset, _bit_idx, _gate_flags)) +#define MGATE_MP1(_id, _name, _parent, _flags, _mgate)\ + STM32_GATE(_id, _name, _parent, _flags,\ + _STM32_MGATE(_mgate)) + #define _STM32_DIV(_div_offset, _div_shift, _div_width,\ _div_flags, _div_table, _ops)\ .div = &(struct stm32_div_cfg) {\ @@ -983,7 +1234,7 @@ _clk_stm32_register_composite(struct device *dev, _STM32_DIV(_div_offset, _div_shift, _div_width,\ _div_flags, _div_table, NULL)\ -#define _STM32_MUX(_offset, _shift, _width, _mux_flags, _ops)\ +#define _STM32_MUX(_offset, _shift, _width, _mux_flags, _mmux, _ops)\ .mux = &(struct stm32_mux_cfg) {\ &(struct mux_cfg) {\ .reg_off = _offset,\ @@ -992,11 +1243,14 @@ _clk_stm32_register_composite(struct device *dev, .mux_flags = _mux_flags,\ .table = NULL,\ },\ + .mmux = _mmux,\ .ops = _ops,\ } #define _MUX(_offset, _shift, _width, _mux_flags)\ - _STM32_MUX(_offset, _shift, _width, _mux_flags, NULL)\ + _STM32_MUX(_offset, _shift, _width, _mux_flags, NULL, NULL)\ + +#define _MMUX(_mmux) .mux = &ker_mux_cfg[_mmux] #define PARENT(_parent) ((const char *[]) { _parent}) @@ -1019,6 +1273,375 @@ _clk_stm32_register_composite(struct device *dev, .func = _clk_stm32_register_composite,\ } +#define PCLK(_id, _name, _parent, _flags, _mgate)\ + MGATE_MP1(_id, _name, _parent, _flags, _mgate) + +#define KCLK(_id, _name, _parents, _flags, _mgate, _mmux)\ + COMPOSITE(_id, _name, _parents, CLK_OPS_PARENT_ENABLE | _flags,\ + _MGATE_MP1(_mgate),\ + _MMUX(_mmux),\ + _NO_DIV) + +enum { + G_SAI1, + G_SAI2, + G_SAI3, + G_SAI4, + G_SPI1, + G_SPI2, + G_SPI3, + G_SPI4, + G_SPI5, + G_SPI6, + G_SPDIF, + G_I2C1, + G_I2C2, + G_I2C3, + G_I2C4, + G_I2C5, + G_I2C6, + G_USART2, + G_UART4, + G_USART3, + G_UART5, + G_USART1, + G_USART6, + G_UART7, + G_UART8, + G_LPTIM1, + G_LPTIM2, + G_LPTIM3, + G_LPTIM4, + G_LPTIM5, + G_LTDC, + G_DSI, + G_QSPI, + G_FMC, + G_SDMMC1, + G_SDMMC2, + G_SDMMC3, + G_USBO, + G_USBPHY, + G_RNG1, + G_RNG2, + G_FDCAN, + G_DAC12, + G_CEC, + G_ADC12, + G_GPU, + G_STGEN, + G_DFSDM, + G_ADFSDM, + G_TIM2, + G_TIM3, + G_TIM4, + G_TIM5, + G_TIM6, + G_TIM7, + G_TIM12, + G_TIM13, + G_TIM14, + G_MDIO, + G_TIM1, + G_TIM8, + G_TIM15, + G_TIM16, + G_TIM17, + G_SYSCFG, + G_VREF, + G_TMPSENS, + G_PMBCTRL, + G_HDP, + G_IWDG2, + G_STGENRO, + G_DMA1, + G_DMA2, + G_DMAMUX, + G_DCMI, + G_CRYP2, + G_HASH2, + G_CRC2, + G_HSEM, + G_IPCC, + G_GPIOA, + G_GPIOB, + G_GPIOC, + G_GPIOD, + G_GPIOE, + G_GPIOF, + G_GPIOG, + G_GPIOH, + G_GPIOI, + G_GPIOJ, + G_GPIOK, + G_MDMA, + G_ETHCK, + G_ETHTX, + G_ETHRX, + G_ETHMAC, + G_CRC1, + G_USBH, + G_ETHSTP, + G_RTCAPB, + G_TZC, + G_TZPC, + G_IWDG1, + G_BSEC, + G_GPIOZ, + G_CRYP1, + G_HASH1, + G_BKPSRAM, + + G_LAST +}; + +struct stm32_mgate mp1_mgate[G_LAST]; + +#define _K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags,\ + _mgate, _ops)\ + [_id] = {\ + &(struct gate_cfg) {\ + .reg_off = _gate_offset,\ + .bit_idx = _gate_bit_idx,\ + .gate_flags = _gate_flags,\ + },\ + .mgate = _mgate,\ + .ops = _ops,\ + } + +#define K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags)\ + _K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags,\ + NULL, &mp1_gate_clk_ops) + +#define K_MGATE(_id, _gate_offset, _gate_bit_idx, _gate_flags)\ + _K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags,\ + &mp1_mgate[_id], &mp1_mgate_clk_ops) + +/* Peripheral gates */ +struct stm32_gate_cfg per_gate_cfg[G_LAST] = { + /* Multi gates */ + K_GATE(G_MDIO, RCC_APB1ENSETR, 31, 0), + K_MGATE(G_DAC12, RCC_APB1ENSETR, 29, 0), + K_MGATE(G_CEC, RCC_APB1ENSETR, 27, 0), + K_MGATE(G_SPDIF, RCC_APB1ENSETR, 26, 0), + K_MGATE(G_I2C5, RCC_APB1ENSETR, 24, 0), + K_MGATE(G_I2C3, RCC_APB1ENSETR, 23, 0), + K_MGATE(G_I2C2, RCC_APB1ENSETR, 22, 0), + K_MGATE(G_I2C1, RCC_APB1ENSETR, 21, 0), + K_MGATE(G_UART8, RCC_APB1ENSETR, 19, 0), + K_MGATE(G_UART7, RCC_APB1ENSETR, 18, 0), + K_MGATE(G_UART5, RCC_APB1ENSETR, 17, 0), + K_MGATE(G_UART4, RCC_APB1ENSETR, 16, 0), + K_MGATE(G_USART3, RCC_APB1ENSETR, 15, 0), + K_MGATE(G_USART2, RCC_APB1ENSETR, 14, 0), + K_MGATE(G_SPI3, RCC_APB1ENSETR, 12, 0), + K_MGATE(G_SPI2, RCC_APB1ENSETR, 11, 0), + K_MGATE(G_LPTIM1, RCC_APB1ENSETR, 9, 0), + K_GATE(G_TIM14, RCC_APB1ENSETR, 8, 0), + K_GATE(G_TIM13, RCC_APB1ENSETR, 7, 0), + K_GATE(G_TIM12, RCC_APB1ENSETR, 6, 0), + K_GATE(G_TIM7, RCC_APB1ENSETR, 5, 0), + K_GATE(G_TIM6, RCC_APB1ENSETR, 4, 0), + K_GATE(G_TIM5, RCC_APB1ENSETR, 3, 0), + K_GATE(G_TIM4, RCC_APB1ENSETR, 2, 0), + K_GATE(G_TIM3, RCC_APB1ENSETR, 1, 0), + K_GATE(G_TIM2, RCC_APB1ENSETR, 0, 0), + + K_MGATE(G_FDCAN, RCC_APB2ENSETR, 24, 0), + K_GATE(G_ADFSDM, RCC_APB2ENSETR, 21, 0), + K_GATE(G_DFSDM, RCC_APB2ENSETR, 20, 0), + K_MGATE(G_SAI3, RCC_APB2ENSETR, 18, 0), + K_MGATE(G_SAI2, RCC_APB2ENSETR, 17, 0), + K_MGATE(G_SAI1, RCC_APB2ENSETR, 16, 0), + K_MGATE(G_USART6, RCC_APB2ENSETR, 13, 0), + K_MGATE(G_SPI5, RCC_APB2ENSETR, 10, 0), + K_MGATE(G_SPI4, RCC_APB2ENSETR, 9, 0), + K_MGATE(G_SPI1, RCC_APB2ENSETR, 8, 0), + K_GATE(G_TIM17, RCC_APB2ENSETR, 4, 0), + K_GATE(G_TIM16, RCC_APB2ENSETR, 3, 0), + K_GATE(G_TIM15, RCC_APB2ENSETR, 2, 0), + K_GATE(G_TIM8, RCC_APB2ENSETR, 1, 0), + K_GATE(G_TIM1, RCC_APB2ENSETR, 0, 0), + + K_GATE(G_HDP, RCC_APB3ENSETR, 20, 0), + K_GATE(G_PMBCTRL, RCC_APB3ENSETR, 17, 0), + K_GATE(G_TMPSENS, RCC_APB3ENSETR, 16, 0), + K_GATE(G_VREF, RCC_APB3ENSETR, 13, 0), + K_GATE(G_SYSCFG, RCC_APB3ENSETR, 11, 0), + K_MGATE(G_SAI4, RCC_APB3ENSETR, 8, 0), + K_MGATE(G_LPTIM5, RCC_APB3ENSETR, 3, 0), + K_MGATE(G_LPTIM4, RCC_APB3ENSETR, 2, 0), + K_MGATE(G_LPTIM3, RCC_APB3ENSETR, 1, 0), + K_MGATE(G_LPTIM2, RCC_APB3ENSETR, 0, 0), + + K_GATE(G_STGENRO, RCC_APB4ENSETR, 20, 0), + K_MGATE(G_USBPHY, RCC_APB4ENSETR, 16, 0), + K_GATE(G_IWDG2, RCC_APB4ENSETR, 15, 0), + K_MGATE(G_DSI, RCC_APB4ENSETR, 4, 0), + K_MGATE(G_LTDC, RCC_APB4ENSETR, 0, 0), + + K_GATE(G_STGEN, RCC_APB5ENSETR, 20, 0), + K_GATE(G_BSEC, RCC_APB5ENSETR, 16, 0), + K_GATE(G_IWDG1, RCC_APB5ENSETR, 15, 0), + K_GATE(G_TZPC, RCC_APB5ENSETR, 13, 0), + K_GATE(G_TZC, RCC_APB5ENSETR, 12, 0), + K_GATE(G_RTCAPB, RCC_APB5ENSETR, 8, 0), + K_MGATE(G_USART1, RCC_APB5ENSETR, 4, 0), + K_MGATE(G_I2C6, RCC_APB5ENSETR, 3, 0), + K_MGATE(G_I2C4, RCC_APB5ENSETR, 2, 0), + K_MGATE(G_SPI6, RCC_APB5ENSETR, 0, 0), + + K_MGATE(G_SDMMC3, RCC_AHB2ENSETR, 16, 0), + K_MGATE(G_USBO, RCC_AHB2ENSETR, 8, 0), + K_MGATE(G_ADC12, RCC_AHB2ENSETR, 5, 0), + K_GATE(G_DMAMUX, RCC_AHB2ENSETR, 2, 0), + K_GATE(G_DMA2, RCC_AHB2ENSETR, 1, 0), + K_GATE(G_DMA1, RCC_AHB2ENSETR, 0, 0), + + K_GATE(G_IPCC, RCC_AHB3ENSETR, 12, 0), + K_GATE(G_HSEM, RCC_AHB3ENSETR, 11, 0), + K_GATE(G_CRC2, RCC_AHB3ENSETR, 7, 0), + K_MGATE(G_RNG2, RCC_AHB3ENSETR, 6, 0), + K_GATE(G_HASH2, RCC_AHB3ENSETR, 5, 0), + K_GATE(G_CRYP2, RCC_AHB3ENSETR, 4, 0), + K_GATE(G_DCMI, RCC_AHB3ENSETR, 0, 0), + + K_GATE(G_GPIOK, RCC_AHB4ENSETR, 10, 0), + K_GATE(G_GPIOJ, RCC_AHB4ENSETR, 9, 0), + K_GATE(G_GPIOI, RCC_AHB4ENSETR, 8, 0), + K_GATE(G_GPIOH, RCC_AHB4ENSETR, 7, 0), + K_GATE(G_GPIOG, RCC_AHB4ENSETR, 6, 0), + K_GATE(G_GPIOF, RCC_AHB4ENSETR, 5, 0), + K_GATE(G_GPIOE, RCC_AHB4ENSETR, 4, 0), + K_GATE(G_GPIOD, RCC_AHB4ENSETR, 3, 0), + K_GATE(G_GPIOC, RCC_AHB4ENSETR, 2, 0), + K_GATE(G_GPIOB, RCC_AHB4ENSETR, 1, 0), + K_GATE(G_GPIOA, RCC_AHB4ENSETR, 0, 0), + + K_GATE(G_BKPSRAM, RCC_AHB5ENSETR, 8, 0), + K_MGATE(G_RNG1, RCC_AHB5ENSETR, 6, 0), + K_GATE(G_HASH1, RCC_AHB5ENSETR, 5, 0), + K_GATE(G_CRYP1, RCC_AHB5ENSETR, 4, 0), + K_GATE(G_GPIOZ, RCC_AHB5ENSETR, 0, 0), + + K_GATE(G_USBH, RCC_AHB6ENSETR, 24, 0), + K_GATE(G_CRC1, RCC_AHB6ENSETR, 20, 0), + K_MGATE(G_SDMMC2, RCC_AHB6ENSETR, 17, 0), + K_MGATE(G_SDMMC1, RCC_AHB6ENSETR, 16, 0), + K_MGATE(G_QSPI, RCC_AHB6ENSETR, 14, 0), + K_MGATE(G_FMC, RCC_AHB6ENSETR, 12, 0), + K_GATE(G_ETHMAC, RCC_AHB6ENSETR, 10, 0), + K_GATE(G_ETHRX, RCC_AHB6ENSETR, 9, 0), + K_GATE(G_ETHTX, RCC_AHB6ENSETR, 8, 0), + K_GATE(G_ETHCK, RCC_AHB6ENSETR, 7, 0), + K_MGATE(G_GPU, RCC_AHB6ENSETR, 5, 0), + K_GATE(G_MDMA, RCC_AHB6ENSETR, 0, 0), + K_GATE(G_ETHSTP, RCC_AHB6LPENSETR, 11, 0), +}; + +enum { + M_SDMMC12, + M_SDMMC3, + M_FMC, + M_QSPI, + M_RNG1, + M_RNG2, + M_USBPHY, + M_USBO, + M_STGEN, + M_SPDIF, + M_SPI1, + M_SPI23, + M_SPI45, + M_SPI6, + M_CEC, + M_I2C12, + M_I2C35, + M_I2C46, + M_LPTIM1, + M_LPTIM23, + M_LPTIM45, + M_USART1, + M_UART24, + M_UART35, + M_USART6, + M_UART78, + M_SAI1, + M_SAI2, + M_SAI3, + M_SAI4, + M_DSI, + M_FDCAN, + M_ADC12, + M_ETHCK, + M_CKPER, + M_LAST +}; + +struct stm32_mmux ker_mux[M_LAST]; + +#define _K_MUX(_id, _offset, _shift, _width, _mux_flags, _mmux, _ops)\ + [_id] = {\ + &(struct mux_cfg) {\ + .reg_off = _offset,\ + .shift = _shift,\ + .width = _width,\ + .mux_flags = _mux_flags,\ + .table = NULL,\ + },\ + .mmux = _mmux,\ + .ops = _ops,\ + } + +#define K_MUX(_id, _offset, _shift, _width, _mux_flags)\ + _K_MUX(_id, _offset, _shift, _width, _mux_flags,\ + NULL, NULL) + +#define K_MMUX(_id, _offset, _shift, _width, _mux_flags)\ + _K_MUX(_id, _offset, _shift, _width, _mux_flags,\ + &ker_mux[_id], &clk_mmux_ops) + +const struct stm32_mux_cfg ker_mux_cfg[M_LAST] = { + /* Kernel multi mux */ + K_MMUX(M_SDMMC12, RCC_SDMMC12CKSELR, 0, 3, 0), + K_MMUX(M_SPI23, RCC_SPI2S23CKSELR, 0, 3, 0), + K_MMUX(M_SPI45, RCC_SPI2S45CKSELR, 0, 3, 0), + K_MMUX(M_I2C12, RCC_I2C12CKSELR, 0, 3, 0), + K_MMUX(M_I2C35, RCC_I2C35CKSELR, 0, 3, 0), + K_MMUX(M_LPTIM23, RCC_LPTIM23CKSELR, 0, 3, 0), + K_MMUX(M_LPTIM45, RCC_LPTIM45CKSELR, 0, 3, 0), + K_MMUX(M_UART24, RCC_UART24CKSELR, 0, 3, 0), + K_MMUX(M_UART35, RCC_UART35CKSELR, 0, 3, 0), + K_MMUX(M_UART78, RCC_UART78CKSELR, 0, 3, 0), + K_MMUX(M_SAI1, RCC_SAI1CKSELR, 0, 3, 0), + K_MMUX(M_ETHCK, RCC_ETHCKSELR, 0, 2, 0), + K_MMUX(M_I2C46, RCC_I2C46CKSELR, 0, 3, 0), + + /* Kernel simple mux */ + K_MUX(M_RNG2, RCC_RNG2CKSELR, 0, 2, 0), + K_MUX(M_SDMMC3, RCC_SDMMC3CKSELR, 0, 3, 0), + K_MUX(M_FMC, RCC_FMCCKSELR, 0, 2, 0), + K_MUX(M_QSPI, RCC_QSPICKSELR, 0, 2, 0), + K_MUX(M_USBPHY, RCC_USBCKSELR, 0, 2, 0), + K_MUX(M_USBO, RCC_USBCKSELR, 4, 1, 0), + K_MUX(M_SPDIF, RCC_SPDIFCKSELR, 0, 2, 0), + K_MUX(M_SPI1, RCC_SPI2S1CKSELR, 0, 3, 0), + K_MUX(M_CEC, RCC_CECCKSELR, 0, 2, 0), + K_MUX(M_LPTIM1, RCC_LPTIM1CKSELR, 0, 3, 0), + K_MUX(M_USART6, RCC_UART6CKSELR, 0, 3, 0), + K_MUX(M_FDCAN, RCC_FDCANCKSELR, 0, 2, 0), + K_MUX(M_SAI2, RCC_SAI2CKSELR, 0, 3, 0), + K_MUX(M_SAI3, RCC_SAI3CKSELR, 0, 3, 0), + K_MUX(M_SAI4, RCC_SAI4CKSELR, 0, 3, 0), + K_MUX(M_ADC12, RCC_ADCCKSELR, 0, 2, 0), + K_MUX(M_DSI, RCC_DSICKSELR, 0, 1, 0), + K_MUX(M_CKPER, RCC_CPERCKSELR, 0, 2, 0), + K_MUX(M_RNG1, RCC_RNG1CKSELR, 0, 2, 0), + K_MUX(M_STGEN, RCC_STGENCKSELR, 0, 2, 0), + K_MUX(M_USART1, RCC_UART1CKSELR, 0, 3, 0), + K_MUX(M_SPI6, RCC_SPI6CKSELR, 0, 3, 0), +}; + static const struct clock_config stm32mp1_clock_cfg[] = { /* Oscillator divider */ DIV(NO_ID, "clk-hsi-div", "clk-hsi", 0, RCC_HSICFGR, 0, 2, @@ -1152,6 +1775,176 @@ static const struct clock_config stm32mp1_clock_cfg[] = { STM32_TIM(TIM15_K, "tim15_k", "ck2_tim", RCC_APB2ENSETR, 2), STM32_TIM(TIM16_K, "tim16_k", "ck2_tim", RCC_APB2ENSETR, 3), STM32_TIM(TIM17_K, "tim17_k", "ck2_tim", RCC_APB2ENSETR, 4), + + /* Peripheral clocks */ + PCLK(TIM2, "tim2", "pclk1", CLK_IGNORE_UNUSED, G_TIM2), + PCLK(TIM3, "tim3", "pclk1", CLK_IGNORE_UNUSED, G_TIM3), + PCLK(TIM4, "tim4", "pclk1", CLK_IGNORE_UNUSED, G_TIM4), + PCLK(TIM5, "tim5", "pclk1", CLK_IGNORE_UNUSED, G_TIM5), + PCLK(TIM6, "tim6", "pclk1", CLK_IGNORE_UNUSED, G_TIM6), + PCLK(TIM7, "tim7", "pclk1", CLK_IGNORE_UNUSED, G_TIM7), + PCLK(TIM12, "tim12", "pclk1", CLK_IGNORE_UNUSED, G_TIM12), + PCLK(TIM13, "tim13", "pclk1", CLK_IGNORE_UNUSED, G_TIM13), + PCLK(TIM14, "tim14", "pclk1", CLK_IGNORE_UNUSED, G_TIM14), + PCLK(LPTIM1, "lptim1", "pclk1", 0, G_LPTIM1), + PCLK(SPI2, "spi2", "pclk1", 0, G_SPI2), + PCLK(SPI3, "spi3", "pclk1", 0, G_SPI3), + PCLK(USART2, "usart2", "pclk1", 0, G_USART2), + PCLK(USART3, "usart3", "pclk1", 0, G_USART3), + PCLK(UART4, "uart4", "pclk1", 0, G_UART4), + PCLK(UART5, "uart5", "pclk1", 0, G_UART5), + PCLK(UART7, "uart7", "pclk1", 0, G_UART7), + PCLK(UART8, "uart8", "pclk1", 0, G_UART8), + PCLK(I2C1, "i2c1", "pclk1", 0, G_I2C1), + PCLK(I2C2, "i2c2", "pclk1", 0, G_I2C2), + PCLK(I2C3, "i2c3", "pclk1", 0, G_I2C3), + PCLK(I2C5, "i2c5", "pclk1", 0, G_I2C5), + PCLK(SPDIF, "spdif", "pclk1", 0, G_SPDIF), + PCLK(CEC, "cec", "pclk1", 0, G_CEC), + PCLK(DAC12, "dac12", "pclk1", 0, G_DAC12), + PCLK(MDIO, "mdio", "pclk1", 0, G_MDIO), + PCLK(TIM1, "tim1", "pclk2", CLK_IGNORE_UNUSED, G_TIM1), + PCLK(TIM8, "tim8", "pclk2", CLK_IGNORE_UNUSED, G_TIM8), + PCLK(TIM15, "tim15", "pclk2", CLK_IGNORE_UNUSED, G_TIM15), + PCLK(TIM16, "tim16", "pclk2", CLK_IGNORE_UNUSED, G_TIM16), + PCLK(TIM17, "tim17", "pclk2", CLK_IGNORE_UNUSED, G_TIM17), + PCLK(SPI1, "spi1", "pclk2", 0, G_SPI1), + PCLK(SPI4, "spi4", "pclk2", 0, G_SPI4), + PCLK(SPI5, "spi5", "pclk2", 0, G_SPI5), + PCLK(USART6, "usart6", "pclk2", 0, G_USART6), + PCLK(SAI1, "sai1", "pclk2", 0, G_SAI1), + PCLK(SAI2, "sai2", "pclk2", 0, G_SAI2), + PCLK(SAI3, "sai3", "pclk2", 0, G_SAI3), + PCLK(DFSDM, "dfsdm", "pclk2", 0, G_DFSDM), + PCLK(FDCAN, "fdcan", "pclk2", 0, G_FDCAN), + PCLK(LPTIM2, "lptim2", "pclk3", 0, G_LPTIM2), + PCLK(LPTIM3, "lptim3", "pclk3", 0, G_LPTIM3), + PCLK(LPTIM4, "lptim4", "pclk3", 0, G_LPTIM4), + PCLK(LPTIM5, "lptim5", "pclk3", 0, G_LPTIM5), + PCLK(SAI4, "sai4", "pclk3", 0, G_SAI4), + PCLK(SYSCFG, "syscfg", "pclk3", 0, G_SYSCFG), + PCLK(VREF, "vref", "pclk3", 13, G_VREF), + PCLK(TMPSENS, "tmpsens", "pclk3", 0, G_TMPSENS), + PCLK(PMBCTRL, "pmbctrl", "pclk3", 0, G_PMBCTRL), + PCLK(HDP, "hdp", "pclk3", 0, G_HDP), + PCLK(LTDC, "ltdc", "pclk4", 0, G_LTDC), + PCLK(DSI, "dsi", "pclk4", 0, G_DSI), + PCLK(IWDG2, "iwdg2", "pclk4", 0, G_IWDG2), + PCLK(USBPHY, "usbphy", "pclk4", 0, G_USBPHY), + PCLK(STGENRO, "stgenro", "pclk4", 0, G_STGENRO), + PCLK(SPI6, "spi6", "pclk5", 0, G_SPI6), + PCLK(I2C4, "i2c4", "pclk5", 0, G_I2C4), + PCLK(I2C6, "i2c6", "pclk5", 0, G_I2C6), + PCLK(USART1, "usart1", "pclk5", 0, G_USART1), + PCLK(RTCAPB, "rtcapb", "pclk5", CLK_IGNORE_UNUSED | + CLK_IS_CRITICAL, G_RTCAPB), + PCLK(TZC, "tzc", "pclk5", CLK_IGNORE_UNUSED, G_TZC), + PCLK(TZPC, "tzpc", "pclk5", CLK_IGNORE_UNUSED, G_TZPC), + PCLK(IWDG1, "iwdg1", "pclk5", 0, G_IWDG1), + PCLK(BSEC, "bsec", "pclk5", CLK_IGNORE_UNUSED, G_BSEC), + PCLK(STGEN, "stgen", "pclk5", CLK_IGNORE_UNUSED, G_STGEN), + PCLK(DMA1, "dma1", "ck_mcu", 0, G_DMA1), + PCLK(DMA2, "dma2", "ck_mcu", 0, G_DMA2), + PCLK(DMAMUX, "dmamux", "ck_mcu", 0, G_DMAMUX), + PCLK(ADC12, "adc12", "ck_mcu", 0, G_ADC12), + PCLK(USBO, "usbo", "ck_mcu", 0, G_USBO), + PCLK(SDMMC3, "sdmmc3", "ck_mcu", 0, G_SDMMC3), + PCLK(DCMI, "dcmi", "ck_mcu", 0, G_DCMI), + PCLK(CRYP2, "cryp2", "ck_mcu", 0, G_CRYP2), + PCLK(HASH2, "hash2", "ck_mcu", 0, G_HASH2), + PCLK(RNG2, "rng2", "ck_mcu", 0, G_RNG2), + PCLK(CRC2, "crc2", "ck_mcu", 0, G_CRC2), + PCLK(HSEM, "hsem", "ck_mcu", 0, G_HSEM), + PCLK(IPCC, "ipcc", "ck_mcu", 0, G_IPCC), + PCLK(GPIOA, "gpioa", "ck_mcu", 0, G_GPIOA), + PCLK(GPIOB, "gpiob", "ck_mcu", 0, G_GPIOB), + PCLK(GPIOC, "gpioc", "ck_mcu", 0, G_GPIOC), + PCLK(GPIOD, "gpiod", "ck_mcu", 0, G_GPIOD), + PCLK(GPIOE, "gpioe", "ck_mcu", 0, G_GPIOE), + PCLK(GPIOF, "gpiof", "ck_mcu", 0, G_GPIOF), + PCLK(GPIOG, "gpiog", "ck_mcu", 0, G_GPIOG), + PCLK(GPIOH, "gpioh", "ck_mcu", 0, G_GPIOH), + PCLK(GPIOI, "gpioi", "ck_mcu", 0, G_GPIOI), + PCLK(GPIOJ, "gpioj", "ck_mcu", 0, G_GPIOJ), + PCLK(GPIOK, "gpiok", "ck_mcu", 0, G_GPIOK), + PCLK(GPIOZ, "gpioz", "ck_axi", CLK_IGNORE_UNUSED, G_GPIOZ), + PCLK(CRYP1, "cryp1", "ck_axi", CLK_IGNORE_UNUSED, G_CRYP1), + PCLK(HASH1, "hash1", "ck_axi", CLK_IGNORE_UNUSED, G_HASH1), + PCLK(RNG1, "rng1", "ck_axi", 0, G_RNG1), + PCLK(BKPSRAM, "bkpsram", "ck_axi", CLK_IGNORE_UNUSED, G_BKPSRAM), + PCLK(MDMA, "mdma", "ck_axi", 0, G_MDMA), + PCLK(GPU, "gpu", "ck_axi", 0, G_GPU), + PCLK(ETHTX, "ethtx", "ck_axi", 0, G_ETHTX), + PCLK(ETHRX, "ethrx", "ck_axi", 0, G_ETHRX), + PCLK(ETHMAC, "ethmac", "ck_axi", 0, G_ETHMAC), + PCLK(FMC, "fmc", "ck_axi", CLK_IGNORE_UNUSED, G_FMC), + PCLK(QSPI, "qspi", "ck_axi", CLK_IGNORE_UNUSED, G_QSPI), + PCLK(SDMMC1, "sdmmc1", "ck_axi", 0, G_SDMMC1), + PCLK(SDMMC2, "sdmmc2", "ck_axi", 0, G_SDMMC2), + PCLK(CRC1, "crc1", "ck_axi", 0, G_CRC1), + PCLK(USBH, "usbh", "ck_axi", 0, G_USBH), + PCLK(ETHSTP, "ethstp", "ck_axi", 0, G_ETHSTP), + + /* Kernel clocks */ + KCLK(SDMMC1_K, "sdmmc1_k", sdmmc12_src, 0, G_SDMMC1, M_SDMMC12), + KCLK(SDMMC2_K, "sdmmc2_k", sdmmc12_src, 0, G_SDMMC2, M_SDMMC12), + KCLK(SDMMC3_K, "sdmmc3_k", sdmmc3_src, 0, G_SDMMC3, M_SDMMC3), + KCLK(FMC_K, "fmc_k", fmc_src, 0, G_FMC, M_FMC), + KCLK(QSPI_K, "qspi_k", qspi_src, 0, G_QSPI, M_QSPI), + KCLK(RNG1_K, "rng1_k", rng_src, 0, G_RNG1, M_RNG1), + KCLK(RNG2_K, "rng2_k", rng_src, 0, G_RNG2, M_RNG2), + KCLK(USBPHY_K, "usbphy_k", usbphy_src, 0, G_USBPHY, M_USBPHY), + KCLK(STGEN_K, "stgen_k", stgen_src, CLK_IGNORE_UNUSED, + G_STGEN, M_STGEN), + KCLK(SPDIF_K, "spdif_k", spdif_src, 0, G_SPDIF, M_SPDIF), + KCLK(SPI1_K, "spi1_k", spi123_src, 0, G_SPI1, M_SPI1), + KCLK(SPI2_K, "spi2_k", spi123_src, 0, G_SPI2, M_SPI23), + KCLK(SPI3_K, "spi3_k", spi123_src, 0, G_SPI3, M_SPI23), + KCLK(SPI4_K, "spi4_k", spi45_src, 0, G_SPI4, M_SPI45), + KCLK(SPI5_K, "spi5_k", spi45_src, 0, G_SPI5, M_SPI45), + KCLK(SPI6_K, "spi6_k", spi6_src, 0, G_SPI6, M_SPI6), + KCLK(CEC_K, "cec_k", cec_src, 0, G_CEC, M_CEC), + KCLK(I2C1_K, "i2c1_k", i2c12_src, 0, G_I2C1, M_I2C12), + KCLK(I2C2_K, "i2c2_k", i2c12_src, 0, G_I2C2, M_I2C12), + KCLK(I2C3_K, "i2c3_k", i2c35_src, 0, G_I2C3, M_I2C35), + KCLK(I2C5_K, "i2c5_k", i2c35_src, 0, G_I2C5, M_I2C35), + KCLK(I2C4_K, "i2c4_k", i2c46_src, 0, G_I2C4, M_I2C46), + KCLK(I2C6_K, "i2c6_k", i2c46_src, 0, G_I2C6, M_I2C46), + KCLK(LPTIM1_K, "lptim1_k", lptim1_src, 0, G_LPTIM1, M_LPTIM1), + KCLK(LPTIM2_K, "lptim2_k", lptim23_src, 0, G_LPTIM2, M_LPTIM23), + KCLK(LPTIM3_K, "lptim3_k", lptim23_src, 0, G_LPTIM3, M_LPTIM23), + KCLK(LPTIM4_K, "lptim4_k", lptim45_src, 0, G_LPTIM4, M_LPTIM45), + KCLK(LPTIM5_K, "lptim5_k", lptim45_src, 0, G_LPTIM5, M_LPTIM45), + KCLK(USART1_K, "usart1_k", usart1_src, 0, G_USART1, M_USART1), + KCLK(USART2_K, "usart2_k", usart234578_src, 0, G_USART2, M_UART24), + KCLK(USART3_K, "usart3_k", usart234578_src, 0, G_USART3, M_UART35), + KCLK(UART4_K, "uart4_k", usart234578_src, 0, G_UART4, M_UART24), + KCLK(UART5_K, "uart5_k", usart234578_src, 0, G_UART5, M_UART35), + KCLK(USART6_K, "uart6_k", usart6_src, 0, G_USART6, M_USART6), + KCLK(UART7_K, "uart7_k", usart234578_src, 0, G_UART7, M_UART78), + KCLK(UART8_K, "uart8_k", usart234578_src, 0, G_UART8, M_UART78), + KCLK(FDCAN_K, "fdcan_k", fdcan_src, 0, G_FDCAN, M_FDCAN), + KCLK(SAI1_K, "sai1_k", sai_src, 0, G_SAI1, M_SAI1), + KCLK(SAI2_K, "sai2_k", sai2_src, 0, G_SAI2, M_SAI2), + KCLK(SAI3_K, "sai3_k", sai_src, 0, G_SAI2, M_SAI3), + KCLK(SAI4_K, "sai4_k", sai_src, 0, G_SAI2, M_SAI4), + KCLK(ADC12_K, "adc12_k", adc12_src, 0, G_ADC12, M_ADC12), + KCLK(DSI_K, "dsi_k", dsi_src, 0, G_DSI, M_DSI), + KCLK(ADFSDM_K, "adfsdm_k", sai_src, 0, G_ADFSDM, M_SAI1), + KCLK(USBO_K, "usbo_k", usbo_src, 0, G_USBO, M_USBO), + KCLK(ETHCK_K, "ethck_k", eth_src, 0, G_ETHCK, M_ETHCK), + + /* Particulary Kernel Clocks (no mux or no gate) */ + MGATE_MP1(DFSDM_K, "dfsdm_k", "ck_mcu", 0, G_DFSDM), + MGATE_MP1(DSI_PX, "dsi_px", "pll4_q", CLK_SET_RATE_PARENT, G_DSI), + MGATE_MP1(LTDC_PX, "ltdc_px", "pll4_q", CLK_SET_RATE_PARENT, G_LTDC), + MGATE_MP1(GPU_K, "gpu_k", "pll2_q", 0, G_GPU), + MGATE_MP1(DAC12_K, "dac12_k", "ck_lsi", 0, G_DAC12), + + COMPOSITE(ETHPTP_K, "ethptp_k", eth_src, CLK_OPS_PARENT_ENABLE, + _NO_GATE, + _MMUX(M_ETHCK), + _DIV(RCC_ETHCKSELR, 4, 4, CLK_DIVIDER_ALLOW_ZERO, NULL)), }; struct stm32_clock_match_data { |