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Drivers: ADC: Introduce gd32 adc driver #42215

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merged 6 commits into from
Jul 4, 2022
Merged

Drivers: ADC: Introduce gd32 adc driver #42215

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f7d6276
dts: introduce gd32 adc
Mar 16, 2022
c071015
drivers: adc: introduce gd32 adc driver
Mar 16, 2022
c754007
boards: add adc support for gd32 boards
Mar 16, 2022
4e96a5f
samples: drivers: adc: add gd32 boards support
Mar 16, 2022
3afe7ce
MAINTAINERS: add cameled as gd32 platform collaborator
Mar 16, 2022
af3c808
dst: gigadevice: change usart3 address to lower case
Jun 27, 2022
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1 change: 1 addition & 0 deletions MAINTAINERS.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -1553,6 +1553,7 @@ GD32 Platforms:
- gmarull
collaborators:
- soburi
- cameled
files:
- boards/arm/gd32*/
- boards/riscv/gd32*/
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3 changes: 3 additions & 0 deletions boards/arm/gd32f350r_eval/doc/index.rst
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Expand Up @@ -62,6 +62,9 @@ The board configuration supports the following hardware features:
* - PINMUX
- :kconfig:option:`CONFIG_PINCTRL`
- :dtcompatible:`gd,gd32-pinctrl-af`
* - ADC
- :kconfig:option:`CONFIG_ADC`
- :dtcompatible:`gd,gd32-adc`

Serial Port
===========
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6 changes: 6 additions & 0 deletions boards/arm/gd32f350r_eval/gd32f350r_eval-pinctrl.dtsi
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Expand Up @@ -11,4 +11,10 @@
pinmux = <USART0_TX_PA9>, <USART0_RX_PA10>;
};
};

adc0_default: adc0_default {
group1 {
pinmux = <ADC_IN11_PC1>;
};
};
};
8 changes: 8 additions & 0 deletions boards/arm/gd32f350r_eval/gd32f350r_eval.dts
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Expand Up @@ -26,3 +26,11 @@
pinctrl-0 = <&usart0_default>;
pinctrl-names = "default";
};

&adc0 {
status = "okay";
/* Set ADC0 clock source to RCU_ADCCK_APB2_DIV4. */
rcu-clock-source = <4>;
pinctrl-0 = <&adc0_default>;
pinctrl-names = "default";
};
3 changes: 2 additions & 1 deletion boards/arm/gd32f403z_eval/doc/index.rst
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Expand Up @@ -72,7 +72,8 @@ The board configuration supports the following hardware features:
+-----------+------------+-----------------------+
| UART | on-chip | serial port-polling |
+-----------+------------+-----------------------+

| ADC | on-chip | ADC |
+-----------+------------+-----------------------+

Serial Port
===========
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6 changes: 6 additions & 0 deletions boards/arm/gd32f403z_eval/gd32f403z_eval-pinctrl.dtsi
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Expand Up @@ -12,6 +12,12 @@
};
};

adc0_default: adc0_default {
group1 {
pinmux = <ADC012_IN13_PC3>;
};
};

pwm0_default: pwm0_default {
group1 {
pinmux = <TIMER0_CH0_PA8_OUT_NORMP>;
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6 changes: 6 additions & 0 deletions boards/arm/gd32f403z_eval/gd32f403z_eval.dts
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Expand Up @@ -88,6 +88,12 @@
status = "okay";
};

&adc0 {
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status = "okay";
pinctrl-0 = <&adc0_default>;
pinctrl-names = "default";
};

&usart0 {
status = "okay";
current-speed = <115200>;
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3 changes: 3 additions & 0 deletions boards/arm/gd32f450i_eval/doc/index.rst
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Expand Up @@ -86,6 +86,9 @@ The board configuration supports the following hardware features:
* - EEPROM
- :kconfig:option:`CONFIG_EEPROM`
- :dtcompatible:`atmel,at24`
* - ADC
- :kconfig:option:`CONFIG_ADC`
- :dtcompatible:`gd,gd32-adc`

Serial Port
===========
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6 changes: 6 additions & 0 deletions boards/arm/gd32f450i_eval/gd32f450i_eval-pinctrl.dtsi
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Expand Up @@ -12,6 +12,12 @@
};
};

adc0_default: adc0_default {
group1 {
pinmux = <ADC012_IN13_PC3>;
};
};

dac_default: dac_default {
group1 {
pinmux = <DAC_OUT0_PA4>;
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6 changes: 6 additions & 0 deletions boards/arm/gd32f450i_eval/gd32f450i_eval.dts
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Expand Up @@ -104,6 +104,12 @@
pinctrl-names = "default";
};

&adc0 {
status = "okay";
pinctrl-0 = <&adc0_default>;
pinctrl-names = "default";
};

&dac {
status = "okay";
pinctrl-0 = <&dac_default>;
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3 changes: 3 additions & 0 deletions boards/riscv/gd32vf103v_eval/doc/index.rst
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Expand Up @@ -67,6 +67,9 @@ The board configuration supports the following hardware features:
* - USART
- :kconfig:option:`CONFIG_SERIAL`
- :dtcompatible:`gd,gd32-usart`
* - ADC
- :kconfig:option:`CONFIG_ADC`
- :dtcompatible:`gd,gd32-adc`

Serial Port
===========
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6 changes: 6 additions & 0 deletions boards/riscv/gd32vf103v_eval/gd32vf103v_eval-pinctrl.dtsi
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Expand Up @@ -30,4 +30,10 @@
<SPI0_MISO_PA6_OUT_NORMP>;
};
};

adc0_default: adc0_default {
group1 {
pinmux = <ADC01_IN13_PC3>;
};
};
};
6 changes: 6 additions & 0 deletions boards/riscv/gd32vf103v_eval/gd32vf103v_eval.dts
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Expand Up @@ -137,3 +137,9 @@
jedec-id = [c8 40 15];
};
};

&adc0 {
status = "okay";
pinctrl-0 = <&adc0_default>;
pinctrl-names = "default";
};
1 change: 1 addition & 0 deletions drivers/adc/CMakeLists.txt
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Expand Up @@ -24,3 +24,4 @@ zephyr_library_sources_ifdef(CONFIG_ADC_EMUL adc_emul.c)
zephyr_library_sources_ifdef(CONFIG_ADC_XEC_V2 adc_mchp_xec_v2.c)
zephyr_library_sources_ifdef(CONFIG_ADC_TEST adc_test.c)
zephyr_library_sources_ifdef(CONFIG_ADC_ADS1X1X adc_ads1x1x.c)
zephyr_library_sources_ifdef(CONFIG_ADC_GD32 adc_gd32.c)
2 changes: 2 additions & 0 deletions drivers/adc/Kconfig
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Expand Up @@ -72,4 +72,6 @@ source "drivers/adc/Kconfig.test"

source "drivers/adc/Kconfig.ads1x1x"

source "drivers/adc/Kconfig.gd32"

endif # ADC
13 changes: 13 additions & 0 deletions drivers/adc/Kconfig.gd32
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@@ -0,0 +1,13 @@
# ADC configuration options

# Copyright (c) 2021 BrainCo Inc.
# SPDX-License-Identifier: Apache-2.0

DT_COMPAT_GD_GD32_ADC := gd,gd32-adc

config ADC_GD32
bool "GD32 ADC driver"
depends on (SOC_FAMILY_GD32 || SOC_SERIES_GD32VF103)
default $(dt_compat_enabled,$(DT_COMPAT_GD_GD32_ADC))
help
Enable GigaDevice GD32 ADC driver
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