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clk: stm32f7: retrieve PWR base address from DT

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PWR IP is used to enable over-drive feature in
order to reach a higher frequency.
Get its base address from DT instead of hard-coded value

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
This commit is contained in:
Patrice Chotard 2017-11-15 13:14:44 +01:00 • committed by Tom Rini
parent d3651aac46
commit d0a768b1c8
4 changed files with 69 additions and 18 deletions
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25
arch/arm/include/asm/arch-stm32f7/stm32_pwr.h Normal file
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/*
* Copyright (C) 2017, STMicroelectronics - All Rights Reserved
* Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __STM32_PWR_H_
/*
* Offsets of some PWR registers
*/
#define PWR_CR1_ODEN BIT(16)
#define PWR_CR1_ODSWEN BIT(17)
#define PWR_CSR1_ODRDY BIT(16)
#define PWR_CSR1_ODSWRDY BIT(17)
struct stm32_pwr_regs {
u32 cr1; /* power control register 1 */
u32 csr1; /* power control/status register 2 */
u32 cr2; /* power control register 2 */
u32 csr2; /* power control/status register 2 */
};
#endif /* __STM32_PWR_H_ */