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stm32: add mfxstm32l152 gpio controller support for stm32l4r9i_disco #82604

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Merged
merged 4 commits into from
Jan 24, 2025
Merged

stm32: add mfxstm32l152 gpio controller support for stm32l4r9i_disco #82604

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04d9007
driver: gpio: mfxstm32l152: add driver for STM32L152 based MFX
Oct 19, 2024
ec1c6a7
board: st: add mfx based gpio into the stm32l4r9i_disco
Oct 19, 2024
a35a5d7
board: st: add description of orange led on stm32l4r9i_disco
Oct 20, 2024
5c5f640
board: st: add joystick support on stm32l4r9i_disco
Oct 20, 2024
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39 changes: 38 additions & 1 deletion boards/st/stm32l4r9i_disco/stm32l4r9i_disco.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,10 @@

leds {
compatible = "gpio-leds";
/* N.B. LD1 (orange) is not wired to MCU */
orange_led: led_1 {
gpios = <&mfx 0 GPIO_ACTIVE_LOW>;
label = "User LD1";
};
green_led: led_2 {
gpios = <&gpioh 4 GPIO_ACTIVE_LOW>;
label = "User LD2";
Expand All @@ -36,11 +39,36 @@
gpios = <&gpioc 13 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>;
zephyr,code = <INPUT_KEY_ENTER>;
};
joy_up: joystick_up {
label = "joystick up";
gpios = <&mfx 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
zephyr,code = <INPUT_KEY_UP>;
};
joy_down: joystick_down {
label = "joystick down";
gpios = <&mfx 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
zephyr,code = <INPUT_KEY_DOWN>;
};
joy_right: joystick_right {
label = "joystick right";
gpios = <&mfx 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
zephyr,code = <INPUT_KEY_RIGHT>;
};
joy_left: joystick_left {
label = "joystick left";
gpios = <&mfx 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
zephyr,code = <INPUT_KEY_LEFT>;
};
};

aliases {
led0 = &green_led;
led1 = &orange_led;
sw0 = &joy_sel;
sw1 = &joy_up;
sw2 = &joy_down;
sw3 = &joy_right;
sw4 = &joy_left;
die-temp0 = &die_temp;
volt-sensor0 = &vref;
volt-sensor1 = &vbat;
Expand Down Expand Up @@ -155,6 +183,15 @@
pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pg13>;
pinctrl-names = "default";
clock-frequency = <I2C_BITRATE_STANDARD>;

mfx: gpio@42 {
compatible = "st,mfxstm32l152";
reg = <0x42>;
ngpios = <24>;
int-gpios = <&gpioi 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>;
gpio-controller;
#gpio-cells = <2>;
};
};

&i2c3 {
Expand Down
1 change: 1 addition & 0 deletions drivers/gpio/CMakeLists.txt
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Expand Up @@ -55,6 +55,7 @@ zephyr_library_sources_ifdef(CONFIG_GPIO_MCUX gpio_mcux.c)
zephyr_library_sources_ifdef(CONFIG_GPIO_MCUX_IGPIO gpio_mcux_igpio.c)
zephyr_library_sources_ifdef(CONFIG_GPIO_MCUX_LPC gpio_mcux_lpc.c)
zephyr_library_sources_ifdef(CONFIG_GPIO_MCUX_RGPIO gpio_mcux_rgpio.c)
zephyr_library_sources_ifdef(CONFIG_GPIO_MFXSTM32L152 gpio_mfxstm32l152.c)
zephyr_library_sources_ifdef(CONFIG_GPIO_MMIO32 gpio_mmio32.c)
zephyr_library_sources_ifdef(CONFIG_GPIO_NCT38XX gpio_nct38xx.c)
zephyr_library_sources_ifdef(CONFIG_GPIO_NCT38XX gpio_nct38xx_port.c)
Expand Down
1 change: 1 addition & 0 deletions drivers/gpio/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,7 @@ source "drivers/gpio/Kconfig.mcux_igpio"
source "drivers/gpio/Kconfig.mcux_lpc"
source "drivers/gpio/Kconfig.mcux_rgpio"
source "drivers/gpio/Kconfig.mec5"
source "drivers/gpio/Kconfig.mfxstm32l152"
source "drivers/gpio/Kconfig.mmio32"
source "drivers/gpio/Kconfig.nct38xx"
source "drivers/gpio/Kconfig.neorv32"
Expand Down
19 changes: 19 additions & 0 deletions drivers/gpio/Kconfig.mfxstm32l152
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
# MFXSTM32L152 GPIO configuration options

# Copyright (c) 2024 STMicroelectronics
# SPDX-License-Identifier: Apache-2.0

menuconfig GPIO_MFXSTM32L152
bool "MFXSTM32L152 I2C-based GPIO chip"
default y
depends on DT_HAS_ST_MFXSTM32L152_ENABLED
select I2C
help
Enable driver for MFXSTM32L152 I2C-based GPIO chip.

config GPIO_MFXSTM32L152_INIT_PRIORITY
int "Init priority"
default 70
depends on GPIO_MFXSTM32L152
help
Device driver initialization priority.
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