michaelh/zephyr
1
0
Fork 0
Code Releases Activity

soc: arm: nxp: ke1xf: use clock nodes for NXP Kinetis SCG clocks

Browse source 
Use a combination of fixed-clock and fixed-factor-clock devicetree
nodes for describing the clock dividers/multipliers of the NXP Kinetis
System Clock Generator (SCG) present in the KE1xF SoC series.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2021-03-29 17:49:55 +02:00 • committed by Maureen Helm
commit a865b1bb49
6 changed files with 251 additions and 183 deletions
Download patch file Download diff file Expand all files Collapse all files

17
include/dt-bindings/clock/kinetis_scg.h
View file

@ -7,28 +7,11 @@
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_KINETIS_SCG_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_KINETIS_SCG_H_
/* SCG system clock source value */
#define KINETIS_SCG_SCLK_SRC_SOSC 1U
#define KINETIS_SCG_SCLK_SRC_SIRC 2U
#define KINETIS_SCG_SCLK_SRC_FIRC 3U
#define KINETIS_SCG_SCLK_SRC_SPLL 6U
/* SCG system oscillator mode */
#define KINETIS_SCG_SOSC_MODE_EXT 0U
#define KINETIS_SCG_SOSC_MODE_LOW_POWER 4U
#define KINETIS_SCG_SOSC_MODE_HIGH_GAIN 12U
/* SCG system phase-locked loop source */
#define KINETIS_SCG_SPLL_SRC_SOSC 0U
#define KINETIS_SCG_SPLL_SRC_FIRC 1U
/* SCG clockout source */
#define KINETIS_SCG_CLKOUT_SRC_SLOW 0U
#define KINETIS_SCG_CLKOUT_SRC_SOSC 1U
#define KINETIS_SCG_CLKOUT_SRC_SIRC 2U
#define KINETIS_SCG_CLKOUT_SRC_FIRC 3U
#define KINETIS_SCG_CLKOUT_SRC_SPLL 6U
/* SCG clock controller clock names */
#define KINETIS_SCG_CORESYS_CLK 0U
#define KINETIS_SCG_BUS_CLK 1U