diff options
| author | Patrice Chotard <patrice.chotard@st.com> | 2017-11-15 15:14:51 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-11-30 06:30:50 +0300 |
| commit | 928954fe58e69767b138816ab58e1a7e48f2c685 (patch) | |
| tree | fbb0d14fa098f83ce19f7a17d0b67dae1423d61c /include/stm32_rcc.h | |
| parent | fe8d4780fffb0fe211fda3a5253f154c1e026939 (diff) | |
| download | u-boot-928954fe58e69767b138816ab58e1a7e48f2c685.tar.xz | |
dm: misc: bind STM32F4/F7 clock from rcc MFD driver
Like STM32H7, now STM32F4/F7 clock drivers are binded by
MFD stm32_rcc driver.
This also allows to add reset support to STM32F4/F7 SoCs family.
As Reset driver is not part of SPL supported drivers, don't bind it
in case of SPL to avoid that stm32_rcc_bind() returns an error.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
Diffstat (limited to 'include/stm32_rcc.h')
| -rw-r--r-- | include/stm32_rcc.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/stm32_rcc.h b/include/stm32_rcc.h new file mode 100644 index 0000000000..6dfb9cc257 --- /dev/null +++ b/include/stm32_rcc.h @@ -0,0 +1,52 @@ +/* + * Copyright (C) STMicroelectronics SA 2017 + * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __STM32_RCC_H_ +#define __STM32_RCC_H_ + +#define AHB_PSC_1 0 +#define AHB_PSC_2 0x8 +#define AHB_PSC_4 0x9 +#define AHB_PSC_8 0xA +#define AHB_PSC_16 0xB +#define AHB_PSC_64 0xC +#define AHB_PSC_128 0xD +#define AHB_PSC_256 0xE +#define AHB_PSC_512 0xF + +#define APB_PSC_1 0 +#define APB_PSC_2 0x4 +#define APB_PSC_4 0x5 +#define APB_PSC_8 0x6 +#define APB_PSC_16 0x7 + +struct pll_psc { + u8 pll_m; + u16 pll_n; + u8 pll_p; + u8 pll_q; + u8 ahb_psc; + u8 apb1_psc; + u8 apb2_psc; +}; + +struct stm32_clk_info { + struct pll_psc sys_pll_psc; + bool has_overdrive; +}; + +enum soc_family { + STM32F4, + STM32F7, +}; + +struct stm32_rcc_clk { + char *drv_name; + enum soc_family soc; +}; + +#endif /* __STM32_RCC_H_ */ |