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RASCSI/cpp/hal/pinctrl/gpiochip_bcm2835.cpp
Tony Kuker a46957c573 Update with max string lengths
2024-06-01 01:56:31 +00:00

463 lines
20 KiB
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#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "gpiochip.h"
#include "util.h"
#define ARRAY_SIZE(_a) (sizeof(_a)/sizeof(_a[0]))
#define BCM2835_NUM_GPIOS 54
#define BCM2835_ALT_COUNT 6
#define BCM2711_NUM_GPIOS 54
#define BCM2711_ALT_COUNT 6
/* 2835 register offsets */
#define GPFSEL0 0
#define GPFSEL1 1
#define GPFSEL2 2
#define GPFSEL3 3
#define GPFSEL4 4
#define GPFSEL5 5
#define GPSET0 7
#define GPSET1 8
#define GPCLR0 10
#define GPCLR1 11
#define GPLEV0 13
#define GPLEV1 14
#define GPPUD 37
#define GPPUDCLK0 38
#define GPPUDCLK1 39
/* 2711 has a different mechanism for pin pull-up/down/enable */
#define GPPUPPDN0 57 /* Pin pull-up/down for pins 15:0 */
#define GPPUPPDN1 58 /* Pin pull-up/down for pins 31:16 */
#define GPPUPPDN2 59 /* Pin pull-up/down for pins 47:32 */
#define GPPUPPDN3 60 /* Pin pull-up/down for pins 57:48 */
static const char *bcm2835_gpio_alt_names[BCM2835_NUM_GPIOS][BCM2835_ALT_COUNT] =
{
{ "SDA0" , "SA5" , "PCLK" , "AVEOUT_VCLK" , "AVEIN_VCLK" , 0 , },
{ "SCL0" , "SA4" , "DE" , "AVEOUT_DSYNC" , "AVEIN_DSYNC", 0 , },
{ "SDA1" , "SA3" , "LCD_VSYNC" , "AVEOUT_VSYNC" , "AVEIN_VSYNC", 0 , },
{ "SCL1" , "SA2" , "LCD_HSYNC" , "AVEOUT_HSYNC" , "AVEIN_HSYNC", 0 , },
{ "GPCLK0" , "SA1" , "DPI_D0" , "AVEOUT_VID0" , "AVEIN_VID0" , "ARM_TDI" , },
{ "GPCLK1" , "SA0" , "DPI_D1" , "AVEOUT_VID1" , "AVEIN_VID1" , "ARM_TDO" , },
{ "GPCLK2" , "SOE_N_SE" , "DPI_D2" , "AVEOUT_VID2" , "AVEIN_VID2" , "ARM_RTCK" , },
{ "SPI0_CE1_N", "SWE_N_SRW_N", "DPI_D3" , "AVEOUT_VID3" , "AVEIN_VID3" , 0 , },
{ "SPI0_CE0_N", "SD0" , "DPI_D4" , "AVEOUT_VID4" , "AVEIN_VID4" , 0 , },
{ "SPI0_MISO" , "SD1" , "DPI_D5" , "AVEOUT_VID5" , "AVEIN_VID5" , 0 , },
{ "SPI0_MOSI" , "SD2" , "DPI_D6" , "AVEOUT_VID6" , "AVEIN_VID6" , 0 , },
{ "SPI0_SCLK" , "SD3" , "DPI_D7" , "AVEOUT_VID7" , "AVEIN_VID7" , 0 , },
{ "PWM0" , "SD4" , "DPI_D8" , "AVEOUT_VID8" , "AVEIN_VID8" , "ARM_TMS" , },
{ "PWM1" , "SD5" , "DPI_D9" , "AVEOUT_VID9" , "AVEIN_VID9" , "ARM_TCK" , },
{ "TXD0" , "SD6" , "DPI_D10" , "AVEOUT_VID10" , "AVEIN_VID10", "TXD1" , },
{ "RXD0" , "SD7" , "DPI_D11" , "AVEOUT_VID11" , "AVEIN_VID11", "RXD1" , },
{ "FL0" , "SD8" , "DPI_D12" , "CTS0" , "SPI1_CE2_N" , "CTS1" , },
{ "FL1" , "SD9" , "DPI_D13" , "RTS0" , "SPI1_CE1_N" , "RTS1" , },
{ "PCM_CLK" , "SD10" , "DPI_D14" , "I2CSL_SDA_MOSI", "SPI1_CE0_N" , "PWM0" , },
{ "PCM_FS" , "SD11" , "DPI_D15" , "I2CSL_SCL_SCLK", "SPI1_MISO" , "PWM1" , },
{ "PCM_DIN" , "SD12" , "DPI_D16" , "I2CSL_MISO" , "SPI1_MOSI" , "GPCLK0" , },
{ "PCM_DOUT" , "SD13" , "DPI_D17" , "I2CSL_CE_N" , "SPI1_SCLK" , "GPCLK1" , },
{ "SD0_CLK" , "SD14" , "DPI_D18" , "SD1_CLK" , "ARM_TRST" , 0 , },
{ "SD0_CMD" , "SD15" , "DPI_D19" , "SD1_CMD" , "ARM_RTCK" , 0 , },
{ "SD0_DAT0" , "SD16" , "DPI_D20" , "SD1_DAT0" , "ARM_TDO" , 0 , },
{ "SD0_DAT1" , "SD17" , "DPI_D21" , "SD1_DAT1" , "ARM_TCK" , 0 , },
{ "SD0_DAT2" , "TE0" , "DPI_D22" , "SD1_DAT2" , "ARM_TDI" , 0 , },
{ "SD0_DAT3" , "TE1" , "DPI_D23" , "SD1_DAT3" , "ARM_TMS" , 0 , },
{ "SDA0" , "SA5" , "PCM_CLK" , "FL0" , 0 , 0 , },
{ "SCL0" , "SA4" , "PCM_FS" , "FL1" , 0 , 0 , },
{ "TE0" , "SA3" , "PCM_DIN" , "CTS0" , 0 , "CTS1" , },
{ "FL0" , "SA2" , "PCM_DOUT" , "RTS0" , 0 , "RTS1" , },
{ "GPCLK0" , "SA1" , "RING_OCLK" , "TXD0" , 0 , "TXD1" , },
{ "FL1" , "SA0" , "TE1" , "RXD0" , 0 , "RXD1" , },
{ "GPCLK0" , "SOE_N_SE" , "TE2" , "SD1_CLK" , 0 , 0 , },
{ "SPI0_CE1_N", "SWE_N_SRW_N", 0 , "SD1_CMD" , 0 , 0 , },
{ "SPI0_CE0_N", "SD0" , "TXD0" , "SD1_DAT0" , 0 , 0 , },
{ "SPI0_MISO" , "SD1" , "RXD0" , "SD1_DAT1" , 0 , 0 , },
{ "SPI0_MOSI" , "SD2" , "RTS0" , "SD1_DAT2" , 0 , 0 , },
{ "SPI0_SCLK" , "SD3" , "CTS0" , "SD1_DAT3" , 0 , 0 , },
{ "PWM0" , "SD4" , 0 , "SD1_DAT4" , "SPI2_MISO" , "TXD1" , },
{ "PWM1" , "SD5" , "TE0" , "SD1_DAT5" , "SPI2_MOSI" , "RXD1" , },
{ "GPCLK1" , "SD6" , "TE1" , "SD1_DAT6" , "SPI2_SCLK" , "RTS1" , },
{ "GPCLK2" , "SD7" , "TE2" , "SD1_DAT7" , "SPI2_CE0_N" , "CTS1" , },
{ "GPCLK1" , "SDA0" , "SDA1" , "TE0" , "SPI2_CE1_N" , 0 , },
{ "PWM1" , "SCL0" , "SCL1" , "TE1" , "SPI2_CE2_N" , 0 , },
{ "SDA0" , "SDA1" , "SPI0_CE0_N", 0 , 0 , "SPI2_CE1_N", },
{ "SCL0" , "SCL1" , "SPI0_MISO" , 0 , 0 , "SPI2_CE0_N", },
{ "SD0_CLK" , "FL0" , "SPI0_MOSI" , "SD1_CLK" , "ARM_TRST" , "SPI2_SCLK" , },
{ "SD0_CMD" , "GPCLK0" , "SPI0_SCLK" , "SD1_CMD" , "ARM_RTCK" , "SPI2_MOSI" , },
{ "SD0_DAT0" , "GPCLK1" , "PCM_CLK" , "SD1_DAT0" , "ARM_TDO" , 0 , },
{ "SD0_DAT1" , "GPCLK2" , "PCM_FS" , "SD1_DAT1" , "ARM_TCK" , 0 , },
{ "SD0_DAT2" , "PWM0" , "PCM_DIN" , "SD1_DAT2" , "ARM_TDI" , 0 , },
{ "SD0_DAT3" , "PWM1" , "PCM_DOUT" , "SD1_DAT3" , "ARM_TMS" , 0 , },
};
static const char *bcm2711_gpio_alt_names[BCM2711_NUM_GPIOS][BCM2711_ALT_COUNT] =
{
{ "SDA0" , "SA5" , "PCLK" , "SPI3_CE0_N" , "TXD2" , "SDA6" , },
{ "SCL0" , "SA4" , "DE" , "SPI3_MISO" , "RXD2" , "SCL6" , },
{ "SDA1" , "SA3" , "LCD_VSYNC" , "SPI3_MOSI" , "CTS2" , "SDA3" , },
{ "SCL1" , "SA2" , "LCD_HSYNC" , "SPI3_SCLK" , "RTS2" , "SCL3" , },
{ "GPCLK0" , "SA1" , "DPI_D0" , "SPI4_CE0_N" , "TXD3" , "SDA3" , },
{ "GPCLK1" , "SA0" , "DPI_D1" , "SPI4_MISO" , "RXD3" , "SCL3" , },
{ "GPCLK2" , "SOE_N_SE" , "DPI_D2" , "SPI4_MOSI" , "CTS3" , "SDA4" , },
{ "SPI0_CE1_N", "SWE_N_SRW_N", "DPI_D3" , "SPI4_SCLK" , "RTS3" , "SCL4" , },
{ "SPI0_CE0_N", "SD0" , "DPI_D4" , "I2CSL_CE_N" , "TXD4" , "SDA4" , },
{ "SPI0_MISO" , "SD1" , "DPI_D5" , "I2CSL_SDI_MISO", "RXD4" , "SCL4" , },
{ "SPI0_MOSI" , "SD2" , "DPI_D6" , "I2CSL_SDA_MOSI", "CTS4" , "SDA5" , },
{ "SPI0_SCLK" , "SD3" , "DPI_D7" , "I2CSL_SCL_SCLK", "RTS4" , "SCL5" , },
{ "PWM0_0" , "SD4" , "DPI_D8" , "SPI5_CE0_N" , "TXD5" , "SDA5" , },
{ "PWM0_1" , "SD5" , "DPI_D9" , "SPI5_MISO" , "RXD5" , "SCL5" , },
{ "TXD0" , "SD6" , "DPI_D10" , "SPI5_MOSI" , "CTS5" , "TXD1" , },
{ "RXD0" , "SD7" , "DPI_D11" , "SPI5_SCLK" , "RTS5" , "RXD1" , },
{ 0 , "SD8" , "DPI_D12" , "CTS0" , "SPI1_CE2_N" , "CTS1" , },
{ 0 , "SD9" , "DPI_D13" , "RTS0" , "SPI1_CE1_N" , "RTS1" , },
{ "PCM_CLK" , "SD10" , "DPI_D14" , "SPI6_CE0_N" , "SPI1_CE0_N" , "PWM0_0" , },
{ "PCM_FS" , "SD11" , "DPI_D15" , "SPI6_MISO" , "SPI1_MISO" , "PWM0_1" , },
{ "PCM_DIN" , "SD12" , "DPI_D16" , "SPI6_MOSI" , "SPI1_MOSI" , "GPCLK0" , },
{ "PCM_DOUT" , "SD13" , "DPI_D17" , "SPI6_SCLK" , "SPI1_SCLK" , "GPCLK1" , },
{ "SD0_CLK" , "SD14" , "DPI_D18" , "SD1_CLK" , "ARM_TRST" , "SDA6" , },
{ "SD0_CMD" , "SD15" , "DPI_D19" , "SD1_CMD" , "ARM_RTCK" , "SCL6" , },
{ "SD0_DAT0" , "SD16" , "DPI_D20" , "SD1_DAT0" , "ARM_TDO" , "SPI3_CE1_N" , },
{ "SD0_DAT1" , "SD17" , "DPI_D21" , "SD1_DAT1" , "ARM_TCK" , "SPI4_CE1_N" , },
{ "SD0_DAT2" , 0 , "DPI_D22" , "SD1_DAT2" , "ARM_TDI" , "SPI5_CE1_N" , },
{ "SD0_DAT3" , 0 , "DPI_D23" , "SD1_DAT3" , "ARM_TMS" , "SPI6_CE1_N" , },
{ "SDA0" , "SA5" , "PCM_CLK" , 0 , "MII_A_RX_ERR" , "RGMII_MDIO" , },
{ "SCL0" , "SA4" , "PCM_FS" , 0 , "MII_A_TX_ERR" , "RGMII_MDC" , },
{ 0 , "SA3" , "PCM_DIN" , "CTS0" , "MII_A_CRS" , "CTS1" , },
{ 0 , "SA2" , "PCM_DOUT" , "RTS0" , "MII_A_COL" , "RTS1" , },
{ "GPCLK0" , "SA1" , 0 , "TXD0" , "SD_CARD_PRES" , "TXD1" , },
{ 0 , "SA0" , 0 , "RXD0" , "SD_CARD_WRPROT" , "RXD1" , },
{ "GPCLK0" , "SOE_N_SE" , 0 , "SD1_CLK" , "SD_CARD_LED" , "RGMII_IRQ" , },
{ "SPI0_CE1_N", "SWE_N_SRW_N", 0 , "SD1_CMD" , "RGMII_START_STOP", 0 , },
{ "SPI0_CE0_N", "SD0" , "TXD0" , "SD1_DAT0" , "RGMII_RX_OK" , "MII_A_RX_ERR", },
{ "SPI0_MISO" , "SD1" , "RXD0" , "SD1_DAT1" , "RGMII_MDIO" , "MII_A_TX_ERR", },
{ "SPI0_MOSI" , "SD2" , "RTS0" , "SD1_DAT2" , "RGMII_MDC" , "MII_A_CRS" , },
{ "SPI0_SCLK" , "SD3" , "CTS0" , "SD1_DAT3" , "RGMII_IRQ" , "MII_A_COL" , },
{ "PWM1_0" , "SD4" , 0 , "SD1_DAT4" , "SPI0_MISO" , "TXD1" , },
{ "PWM1_1" , "SD5" , 0 , "SD1_DAT5" , "SPI0_MOSI" , "RXD1" , },
{ "GPCLK1" , "SD6" , 0 , "SD1_DAT6" , "SPI0_SCLK" , "RTS1" , },
{ "GPCLK2" , "SD7" , 0 , "SD1_DAT7" , "SPI0_CE0_N" , "CTS1" , },
{ "GPCLK1" , "SDA0" , "SDA1" , 0 , "SPI0_CE1_N" , "SD_CARD_VOLT", },
{ "PWM0_1" , "SCL0" , "SCL1" , 0 , "SPI0_CE2_N" , "SD_CARD_PWR0", },
{ "SDA0" , "SDA1" , "SPI0_CE0_N", 0 , 0 , "SPI2_CE1_N" , },
{ "SCL0" , "SCL1" , "SPI0_MISO" , 0 , 0 , "SPI2_CE0_N" , },
{ "SD0_CLK" , 0 , "SPI0_MOSI" , "SD1_CLK" , "ARM_TRST" , "SPI2_SCLK" , },
{ "SD0_CMD" , "GPCLK0" , "SPI0_SCLK" , "SD1_CMD" , "ARM_RTCK" , "SPI2_MOSI" , },
{ "SD0_DAT0" , "GPCLK1" , "PCM_CLK" , "SD1_DAT0" , "ARM_TDO" , "SPI2_MISO" , },
{ "SD0_DAT1" , "GPCLK2" , "PCM_FS" , "SD1_DAT1" , "ARM_TCK" , "SD_CARD_LED" , },
{ "SD0_DAT2" , "PWM0_0" , "PCM_DIN" , "SD1_DAT2" , "ARM_TDI" , 0 , },
{ "SD0_DAT3" , "PWM0_1" , "PCM_DOUT" , "SD1_DAT3" , "ARM_TMS" , 0 , },
};
static GPIO_FSEL_T bcm2835_gpio_get_fsel(void *priv, unsigned gpio)
{
volatile uint32_t *base = (volatile uint32_t*)priv;
/* GPFSEL0-5 with 10 sels per reg, 3 bits per sel (so bits 0:29 used) */
uint32_t reg = GPFSEL0 + (gpio / 10);
uint32_t lsb = (gpio % 10) * 3;
if (gpio < BCM2835_NUM_GPIOS)
{
switch ((base[reg] >> lsb) & 7)
{
case 0: return GPIO_FSEL_INPUT;
case 1: return GPIO_FSEL_OUTPUT;
case 2: return GPIO_FSEL_FUNC5;
case 3: return GPIO_FSEL_FUNC4;
case 4: return GPIO_FSEL_FUNC0;
case 5: return GPIO_FSEL_FUNC1;
case 6: return GPIO_FSEL_FUNC2;
case 7: return GPIO_FSEL_FUNC3;
}
}
return GPIO_FSEL_MAX;
}
static void bcm2835_gpio_set_fsel(void *priv, unsigned gpio, const GPIO_FSEL_T func)
{
volatile uint32_t *base = (volatile uint32_t*)priv;
/* GPFSEL0-5 with 10 sels per reg, 3 bits per sel (so bits 0:29 used) */
uint32_t reg = GPFSEL0 + (gpio / 10);
uint32_t lsb = (gpio % 10) * 3;
int fsel;
switch (func)
{
case GPIO_FSEL_INPUT: fsel = 0; break;
case GPIO_FSEL_OUTPUT: fsel = 1; break;
case GPIO_FSEL_FUNC0: fsel = 4; break;
case GPIO_FSEL_FUNC1: fsel = 5; break;
case GPIO_FSEL_FUNC2: fsel = 6; break;
case GPIO_FSEL_FUNC3: fsel = 7; break;
case GPIO_FSEL_FUNC4: fsel = 3; break;
case GPIO_FSEL_FUNC5: fsel = 2; break;
default:
return;
}
if (gpio < BCM2835_NUM_GPIOS)
base[reg] = (base[reg] & ~(0x7 << lsb)) | (fsel << lsb);
}
static GPIO_DIR_T bcm2835_gpio_get_dir(void *priv, unsigned gpio)
{
GPIO_FSEL_T fsel = bcm2835_gpio_get_fsel(priv, gpio);
if (fsel == GPIO_FSEL_INPUT)
return DIR_INPUT;
else if (fsel == GPIO_FSEL_OUTPUT)
return DIR_OUTPUT;
else
return DIR_MAX;
}
static void bcm2835_gpio_set_dir(void *priv, unsigned gpio, GPIO_DIR_T dir)
{
GPIO_FSEL_T fsel;
if (dir == DIR_INPUT)
fsel = GPIO_FSEL_INPUT;
else if (dir == DIR_OUTPUT)
fsel = GPIO_FSEL_OUTPUT;
else
return;
bcm2835_gpio_set_fsel(priv, gpio, fsel);
}
static int bcm2835_gpio_get_level(void *priv, unsigned gpio)
{
volatile uint32_t *base = (volatile uint32_t*)priv;
if (gpio >= BCM2835_NUM_GPIOS)
return -1;
return (base[GPLEV0 + (gpio / 32)] >> (gpio % 32)) & 1;
}
GPIO_DRIVE_T bcm2835_gpio_get_drive(void *priv, unsigned gpio)
{
/* This is a write-only mechanism */
UNUSED(priv);
UNUSED(gpio);
return DRIVE_MAX;
}
static void bcm2835_gpio_set_drive(void *priv, unsigned gpio, GPIO_DRIVE_T drv)
{
volatile uint32_t *base = (volatile uint32_t*)priv;
if (gpio < BCM2835_NUM_GPIOS && drv <= DRIVE_HIGH)
base[(drv ? GPSET0 : GPCLR0) + (gpio / 32)] = (1 << (gpio % 32));
}
static GPIO_PULL_T bcm2835_gpio_get_pull(void *priv, unsigned gpio)
{
/* This is a write-only mechanism */
UNUSED(priv);
UNUSED(gpio);
return PULL_MAX;
}
static void bcm2835_gpio_set_pull(void *priv, unsigned gpio, GPIO_PULL_T pull)
{
volatile uint32_t *base = (volatile uint32_t*)priv;
int clkreg = GPPUDCLK0 + (gpio / 32);
int clkbit = 1 << (gpio % 32);
if (gpio >= BCM2835_NUM_GPIOS || pull < PULL_NONE || pull > PULL_UP)
return;
base[GPPUD] = pull;
usleep(10);
base[clkreg] = clkbit;
usleep(10);
base[GPPUD] = 0;
usleep(10);
base[clkreg] = 0;
usleep(10);
}
static const char *bcm2835_gpio_get_name(void *priv, unsigned gpio)
{
static char name_buf[16];
UNUSED(priv);
snprintf(name_buf, sizeof(name_buf), "GPIO%d", gpio);
return name_buf;
}
static const char *bcm2835_gpio_get_fsel_name(void *priv, unsigned gpio, GPIO_FSEL_T fsel)
{
const char *name = NULL;
UNUSED(priv);
switch (fsel)
{
case GPIO_FSEL_INPUT:
name = "input";
break;
case GPIO_FSEL_OUTPUT:
name = "output";
break;
case GPIO_FSEL_FUNC0:
case GPIO_FSEL_FUNC1:
case GPIO_FSEL_FUNC2:
case GPIO_FSEL_FUNC3:
case GPIO_FSEL_FUNC4:
case GPIO_FSEL_FUNC5:
if (gpio < BCM2835_NUM_GPIOS)
{
name = bcm2835_gpio_alt_names[gpio][fsel];
if (!name)
name = "-";
}
break;
default:
break;
}
return name;
}
static GPIO_PULL_T bcm2711_gpio_get_pull(void *priv, unsigned gpio)
{
volatile uint32_t *base = (volatile uint32_t*)priv;
int reg = GPPUPPDN0 + (gpio / 16);
int lsb = (gpio % 16) * 2;
if (gpio < BCM2711_NUM_GPIOS)
{
switch ((base[reg] >> lsb) & 3)
{
case 0: return PULL_NONE;
case 1: return PULL_UP;
case 2: return PULL_DOWN;
}
}
return PULL_MAX;
}
static void bcm2711_gpio_set_pull(void *priv, unsigned gpio, GPIO_PULL_T pull)
{
volatile uint32_t *base = (volatile uint32_t*)priv;
int reg = GPPUPPDN0 + (gpio / 16);
int lsb = (gpio % 16) * 2;
int pull_val;
if (gpio >= BCM2711_NUM_GPIOS)
return;
switch (pull)
{
case PULL_NONE:
pull_val = 0;
break;
case PULL_UP:
pull_val = 1;
break;
case PULL_DOWN:
pull_val = 2;
break;
default:
return;
}
base[reg] = (base[reg] & ~(3 << lsb)) | (pull_val << lsb);
}
static const char *bcm2711_gpio_get_fsel_name(void *priv, unsigned gpio, GPIO_FSEL_T fsel)
{
const char *name = NULL;
UNUSED(priv);
switch (fsel)
{
case GPIO_FSEL_INPUT:
name = "input";
break;
case GPIO_FSEL_OUTPUT:
name = "output";
break;
case GPIO_FSEL_FUNC0:
case GPIO_FSEL_FUNC1:
case GPIO_FSEL_FUNC2:
case GPIO_FSEL_FUNC3:
case GPIO_FSEL_FUNC4:
case GPIO_FSEL_FUNC5:
if (gpio < BCM2711_NUM_GPIOS)
{
name = bcm2711_gpio_alt_names[gpio][fsel];
if (!name)
name = "-";
}
break;
default:
break;
}
return name;
}
static void *bcm2835_gpio_create_instance(const GPIO_CHIP_T *chip,
const char *dtnode)
{
UNUSED(dtnode);
return (void *)chip;
}
static int bcm2835_gpio_count(void *priv)
{
UNUSED(priv);
return BCM2835_NUM_GPIOS;
}
static void *bcm2835_gpio_probe_instance(void *priv, volatile uint32_t *base)
{
UNUSED(priv);
return (void *)base;
}
static const GPIO_CHIP_INTERFACE_T bcm2835_gpio_interface =
{
.gpio_create_instance = bcm2835_gpio_create_instance,
.gpio_count = bcm2835_gpio_count,
.gpio_probe_instance = bcm2835_gpio_probe_instance,
.gpio_get_fsel = bcm2835_gpio_get_fsel,
.gpio_set_fsel = bcm2835_gpio_set_fsel,
.gpio_set_drive = bcm2835_gpio_set_drive,
.gpio_set_dir = bcm2835_gpio_set_dir,
.gpio_get_dir = bcm2835_gpio_get_dir,
.gpio_get_level = bcm2835_gpio_get_level,
.gpio_get_drive = bcm2835_gpio_get_drive,
.gpio_get_pull = bcm2835_gpio_get_pull,
.gpio_set_pull = bcm2835_gpio_set_pull,
.gpio_get_name = bcm2835_gpio_get_name,
.gpio_get_fsel_name = bcm2835_gpio_get_fsel_name,
};
DECLARE_GPIO_CHIP(bcm2835, "brcm,bcm2835-gpio", &bcm2835_gpio_interface,
0x30000, 0);
static const GPIO_CHIP_INTERFACE_T bcm2711_gpio_interface =
{
.gpio_create_instance = bcm2835_gpio_create_instance,
.gpio_count = bcm2835_gpio_count,
.gpio_probe_instance = bcm2835_gpio_probe_instance,
.gpio_get_fsel = bcm2835_gpio_get_fsel,
.gpio_set_fsel = bcm2835_gpio_set_fsel,
.gpio_set_drive = bcm2835_gpio_set_drive,
.gpio_set_dir = bcm2835_gpio_set_dir,
.gpio_get_dir = bcm2835_gpio_get_dir,
.gpio_get_level = bcm2835_gpio_get_level,
.gpio_get_drive = bcm2835_gpio_get_drive,
.gpio_get_pull = bcm2711_gpio_get_pull,
.gpio_set_pull = bcm2711_gpio_set_pull,
.gpio_get_name = bcm2835_gpio_get_name,
.gpio_get_fsel_name = bcm2711_gpio_get_fsel_name,
};
DECLARE_GPIO_CHIP(bcm2711, "brcm,bcm2711-gpio",
&bcm2711_gpio_interface, 0x30000, 0);
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