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include: drivers: gpio: Turn functions generic - esp32

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On 'drivers/i2c_esp32.c' there are functions useful for other
drivers. Functions and struct went moved to:

 * arch/xtensa/soc/esp32/peripheral.h
 * arch/xtensa/soc/esp32/soc.h
 * include/drivers/gpio/gpio_esp32.h

Signed-off-by: Vitor Massaru Iha <vitor@massaru.org>
This commit is contained in:
Vitor Massaru Iha 2017-11-22 16:16:27 -02:00 • committed by Anas Nashif
commit f8718758e5
3 changed files with 69 additions and 51 deletions
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28
arch/xtensa/soc/esp32/soc.h
View file

@ -11,6 +11,34 @@
#include <zephyr/types.h>
#include <stdbool.h>
#include <arch/xtensa/arch.h>
/**
* @brief Struct to peripheral masks to enable peripheral
* clock and reset peripherals.
*/
struct esp32_peripheral {
/** Mask for clock peripheral */
int clk;
/** Mask for reset peripheral */
int rst;
};
static inline void esp32_set_mask32(u32_t v, u32_t mem_addr)
{
sys_write32(sys_read32(mem_addr) | v, mem_addr);
}
static inline void esp32_clear_mask32(u32_t v, u32_t mem_addr)
{
sys_write32(sys_read32(mem_addr) & ~v, mem_addr);
}
static inline void esp32_enable_peripheral(const struct esp32_peripheral *peripheral)
{
esp32_set_mask32(peripheral->clk, DPORT_PERIP_CLK_EN_REG);
esp32_clear_mask32(peripheral->rst, DPORT_PERIP_RST_EN_REG);
}
extern int esp32_rom_intr_matrix_set(int cpu_no,
int interrupt_src,