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fix(boards): Move ARM clock config to DTS.

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This commit is contained in:
Peter Johanson
2022-02-21 23:26:34 -05:00
committed by Pete Johanson
parent 9203ae217b
commit cc51562f78
8 changed files with 122 additions and 66 deletions
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20
app/boards/arm/ferris/ferris_rev02.dts
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@@ -99,6 +99,7 @@
&i2c2 {
pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
@@ -117,6 +118,25 @@
status = "okay";
};
&clk_hsi {
status = "okay";
};
&pll {
prediv = <1>;
mul = <6>;
clocks = <&clk_hsi>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(48)>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
};
&rtc {
status = "okay";
cdc_acm_uart: cdc_acm_uart {

12
app/boards/arm/ferris/ferris_rev02_defconfig
View File

@@ -7,7 +7,7 @@ CONFIG_SOC_STM32F072XB=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=48000000
# enable PINMUX
CONFIG_PINMUX=y
CONFIG_PINCTRL=y
# enable GPIO
CONFIG_GPIO=y
@@ -31,13 +31,3 @@ CONFIG_HEAP_MEM_POOL_SIZE=1024
# clock configuration
CONFIG_CLOCK_CONTROL=y
# Clock configuration for Cube Clock control driver
CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
# use HSI as PLL input
CONFIG_CLOCK_STM32_PLL_SRC_HSI=y
# produce 48MHz clock at PLL output
# CONFIG_CLOCK_STM32_PLL_PREDIV=1
CONFIG_CLOCK_STM32_PLL_MULTIPLIER=6
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=1
# CONFIG_CLOCK_STM32_APB2_PRESCALER=1