mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-20 18:54:09 +08:00
Merge commit 'f8b5036361412a27c07a4ac9c3a4b80678cbd1e1' into stm32-dt-for-v4.11
This commit is contained in:
commit
232aa35e1b
@ -17,6 +17,9 @@ Required properties:
|
||||
property, containing a phandle to the clock device node, an index selecting
|
||||
between gated clocks and other clocks and an index specifying the clock to
|
||||
use.
|
||||
- clocks: External oscillator clock phandle
|
||||
- high speed external clock signal (HSE)
|
||||
- external I2S clock (I2S_CKIN)
|
||||
|
||||
Example:
|
||||
|
||||
@ -25,6 +28,7 @@ Example:
|
||||
#clock-cells = <2>
|
||||
compatible = "st,stm32f42xx-rcc", "st,stm32-rcc";
|
||||
reg = <0x40023800 0x400>;
|
||||
clocks = <&clk_hse>, <&clk_i2s_ckin>;
|
||||
};
|
||||
|
||||
Specifying gated clocks
|
||||
@ -66,6 +70,19 @@ The secondary index is bound with the following magic numbers:
|
||||
|
||||
0 SYSTICK
|
||||
1 FCLK
|
||||
2 CLK_LSI (low-power clock source)
|
||||
3 CLK_LSE (generated from a 32.768 kHz low-speed external
|
||||
crystal or ceramic resonator)
|
||||
4 CLK_HSE_RTC (HSE division factor for RTC clock)
|
||||
5 CLK_RTC (real-time clock)
|
||||
6 PLL_VCO_I2S (vco frequency of I2S pll)
|
||||
7 PLL_VCO_SAI (vco frequency of SAI pll)
|
||||
8 CLK_LCD (LCD-TFT)
|
||||
9 CLK_I2S (I2S clocks)
|
||||
10 CLK_SAI1 (audio clocks)
|
||||
11 CLK_SAI2
|
||||
12 CLK_I2SQ_PDIV (post divisor of pll i2s q divisor)
|
||||
13 CLK_SAIQ_PDIV (post divisor of pll sai q divisor)
|
||||
|
||||
Example:
|
||||
|
||||
|
39
include/dt-bindings/clock/stm32fx-clock.h
Normal file
39
include/dt-bindings/clock/stm32fx-clock.h
Normal file
@ -0,0 +1,39 @@
|
||||
/*
|
||||
* stm32fx-clock.h
|
||||
*
|
||||
* Copyright (C) 2016 STMicroelectronics
|
||||
* Author: Gabriel Fernandez for STMicroelectronics.
|
||||
* License terms: GNU General Public License (GPL), version 2
|
||||
*/
|
||||
|
||||
/*
|
||||
* List of clocks wich are not derived from system clock (SYSCLOCK)
|
||||
*
|
||||
* The index of these clocks is the secondary index of DT bindings
|
||||
* (see Documentatoin/devicetree/bindings/clock/st,stm32-rcc.txt)
|
||||
*
|
||||
* e.g:
|
||||
<assigned-clocks = <&rcc 1 CLK_LSE>;
|
||||
*/
|
||||
|
||||
#ifndef _DT_BINDINGS_CLK_STMFX_H
|
||||
#define _DT_BINDINGS_CLK_STMFX_H
|
||||
|
||||
#define SYSTICK 0
|
||||
#define FCLK 1
|
||||
#define CLK_LSI 2
|
||||
#define CLK_LSE 3
|
||||
#define CLK_HSE_RTC 4
|
||||
#define CLK_RTC 5
|
||||
#define PLL_VCO_I2S 6
|
||||
#define PLL_VCO_SAI 7
|
||||
#define CLK_LCD 8
|
||||
#define CLK_I2S 9
|
||||
#define CLK_SAI1 10
|
||||
#define CLK_SAI2 11
|
||||
#define CLK_I2SQ_PDIV 12
|
||||
#define CLK_SAIQ_PDIV 13
|
||||
|
||||
#define END_PRIMARY_CLK 14
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue
Block a user