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esp32s2: drivers: gpio: add gpio support

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through the reuse of current gpio driver.

Signed-off-by: Glauber Maroto Ferreira <glauber.ferreira@espressif.com>
This commit is contained in:
Glauber Maroto Ferreira 2021-08-13 15:46:07 -03:00 • committed by Anas Nashif
commit 2689a6ee0a
4 changed files with 28 additions and 1 deletions
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3
boards/xtensa/esp32s2_saola/esp32s2_saola_defconfig
View file

@ -18,6 +18,9 @@ CONFIG_XTENSA_USE_CORE_CRT1=n
CONFIG_PINMUX=y CONFIG_PINMUX=y
CONFIG_PINMUX_ESP32=y CONFIG_PINMUX_ESP32=y
CONFIG_GPIO=y
CONFIG_GPIO_ESP32=y
CONFIG_GEN_ISR_TABLES=y CONFIG_GEN_ISR_TABLES=y
CONFIG_GEN_IRQ_VECTOR_TABLE=n CONFIG_GEN_IRQ_VECTOR_TABLE=n

2
drivers/gpio/Kconfig.esp32
View file

@ -5,7 +5,7 @@
menuconfig GPIO_ESP32 menuconfig GPIO_ESP32
bool "ESP32 GPIO" bool "ESP32 GPIO"
depends on SOC_ESP32 depends on SOC_ESP32 || SOC_ESP32S2
help help
Enables the ESP32 GPIO driver Enables the ESP32 GPIO driver

23
dts/xtensa/espressif/esp32s2.dtsi
View file

@ -4,6 +4,7 @@
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*/ */
#include <mem.h> #include <mem.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/esp32s2-xtensa-intmux.h> #include <dt-bindings/interrupt-controller/esp32s2-xtensa-intmux.h>
/ { / {
@ -52,6 +53,28 @@
compatible = "espressif,esp32-pinmux"; compatible = "espressif,esp32-pinmux";
reg = <0x3f409000 0x94>; reg = <0x3f409000 0x94>;
}; };
gpio0: gpio@3f404000 {
compatible = "espressif,esp32-gpio";
gpio-controller;
#gpio-cells = <2>;
reg = <0x3f404000 0x800>;
interrupts = <GPIO_INTR_SOURCE>;
interrupt-parent = <&intc>;
label = "GPIO_0";
ngpios = <32>; /* 0..31 */
};
gpio1: gpio@3f404800 {
compatible = "espressif,esp32-gpio";
gpio-controller;
#gpio-cells = <2>;
reg = <0x3f404800 0x800>;
interrupts = <GPIO_INTR_SOURCE>;
interrupt-parent = <&intc>;
label = "GPIO_1";
ngpios = <22>; /* 32..53 */
};
}; };
}; };

1
soc/xtensa/esp32s2/soc.h
View file

@ -9,6 +9,7 @@
#include <soc/syscon_reg.h> #include <soc/syscon_reg.h>
#include <soc/system_reg.h> #include <soc/system_reg.h>
#include <soc/dport_access.h> #include <soc/dport_access.h>
#include <soc/soc_caps.h>
#include <esp32s2/rom/ets_sys.h> #include <esp32s2/rom/ets_sys.h>
#include <esp32s2/rom/spi_flash.h> #include <esp32s2/rom/spi_flash.h>
#include <esp32s2/rom/cache.h> #include <esp32s2/rom/cache.h>