From: Stefan Wahren stefan.wahren@i2se.com
commit b1d84a3d0a26c5844a22bc09a42704b9371208bb upstream
The BCM2711 supports 58 GPIOs. So extend pinctrl and GPIOs accordingly.
Signed-off-by: Stefan Wahren stefan.wahren@i2se.com Link: https://lore.kernel.org/r/1581166975-22949-4-git-send-email-stefan.wahren@i2... Reviewed-by: Nicolas Saenz Julienne nsaenzjulienne@suse.de Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Florian Fainelli f.fainelli@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/pinctrl/bcm/pinctrl-bcm2835.c | 54 ++++++++++++++++++++++++++-------- 1 file changed, 42 insertions(+), 12 deletions(-)
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -37,6 +37,7 @@
#define MODULE_NAME "pinctrl-bcm2835" #define BCM2835_NUM_GPIOS 54 +#define BCM2711_NUM_GPIOS 58 #define BCM2835_NUM_BANKS 2 #define BCM2835_NUM_IRQS 3
@@ -78,7 +79,7 @@ struct bcm2835_pinctrl {
/* note: locking assumes each bank will have its own unsigned long */ unsigned long enabled_irq_map[BCM2835_NUM_BANKS]; - unsigned int irq_type[BCM2835_NUM_GPIOS]; + unsigned int irq_type[BCM2711_NUM_GPIOS];
struct pinctrl_dev *pctl_dev; struct gpio_chip gpio_chip; @@ -145,6 +146,10 @@ static struct pinctrl_pin_desc bcm2835_g BCM2835_GPIO_PIN(51), BCM2835_GPIO_PIN(52), BCM2835_GPIO_PIN(53), + BCM2835_GPIO_PIN(54), + BCM2835_GPIO_PIN(55), + BCM2835_GPIO_PIN(56), + BCM2835_GPIO_PIN(57), };
/* one pin per group */ @@ -203,6 +208,10 @@ static const char * const bcm2835_gpio_g "gpio51", "gpio52", "gpio53", + "gpio54", + "gpio55", + "gpio56", + "gpio57", };
enum bcm2835_fsel { @@ -353,6 +362,22 @@ static const struct gpio_chip bcm2835_gp .can_sleep = false, };
+static const struct gpio_chip bcm2711_gpio_chip = { + .label = "pinctrl-bcm2711", + .owner = THIS_MODULE, + .request = gpiochip_generic_request, + .free = gpiochip_generic_free, + .direction_input = bcm2835_gpio_direction_input, + .direction_output = bcm2835_gpio_direction_output, + .get_direction = bcm2835_gpio_get_direction, + .get = bcm2835_gpio_get, + .set = bcm2835_gpio_set, + .set_config = gpiochip_generic_config, + .base = -1, + .ngpio = BCM2711_NUM_GPIOS, + .can_sleep = false, +}; + static void bcm2835_gpio_irq_handle_bank(struct bcm2835_pinctrl *pc, unsigned int bank, u32 mask) { @@ -399,7 +424,7 @@ static void bcm2835_gpio_irq_handler(str bcm2835_gpio_irq_handle_bank(pc, 0, 0xf0000000); bcm2835_gpio_irq_handle_bank(pc, 1, 0x00003fff); break; - case 2: /* IRQ2 covers GPIOs 46-53 */ + case 2: /* IRQ2 covers GPIOs 46-57 */ bcm2835_gpio_irq_handle_bank(pc, 1, 0x003fc000); break; } @@ -618,7 +643,7 @@ static struct irq_chip bcm2835_gpio_irq_
static int bcm2835_pctl_get_groups_count(struct pinctrl_dev *pctldev) { - return ARRAY_SIZE(bcm2835_gpio_groups); + return BCM2835_NUM_GPIOS; }
static const char *bcm2835_pctl_get_group_name(struct pinctrl_dev *pctldev, @@ -776,7 +801,7 @@ static int bcm2835_pctl_dt_node_to_map(s err = of_property_read_u32_index(np, "brcm,pins", i, &pin); if (err) goto out; - if (pin >= ARRAY_SIZE(bcm2835_gpio_pins)) { + if (pin >= pc->pctl_desc.npins) { dev_err(pc->dev, "%pOF: invalid brcm,pins value %d\n", np, pin); err = -EINVAL; @@ -852,7 +877,7 @@ static int bcm2835_pmx_get_function_grou { /* every pin can do every function */ *groups = bcm2835_gpio_groups; - *num_groups = ARRAY_SIZE(bcm2835_gpio_groups); + *num_groups = BCM2835_NUM_GPIOS;
return 0; } @@ -1055,7 +1080,7 @@ static const struct pinconf_ops bcm2711_ static const struct pinctrl_desc bcm2835_pinctrl_desc = { .name = MODULE_NAME, .pins = bcm2835_gpio_pins, - .npins = ARRAY_SIZE(bcm2835_gpio_pins), + .npins = BCM2835_NUM_GPIOS, .pctlops = &bcm2835_pctl_ops, .pmxops = &bcm2835_pmx_ops, .confops = &bcm2835_pinconf_ops, @@ -1063,9 +1088,9 @@ static const struct pinctrl_desc bcm2835 };
static const struct pinctrl_desc bcm2711_pinctrl_desc = { - .name = MODULE_NAME, + .name = "pinctrl-bcm2711", .pins = bcm2835_gpio_pins, - .npins = ARRAY_SIZE(bcm2835_gpio_pins), + .npins = BCM2711_NUM_GPIOS, .pctlops = &bcm2835_pctl_ops, .pmxops = &bcm2835_pmx_ops, .confops = &bcm2711_pinconf_ops, @@ -1077,6 +1102,11 @@ static const struct pinctrl_gpio_range b .npins = BCM2835_NUM_GPIOS, };
+static const struct pinctrl_gpio_range bcm2711_pinctrl_gpio_range = { + .name = "pinctrl-bcm2711", + .npins = BCM2711_NUM_GPIOS, +}; + struct bcm_plat_data { const struct gpio_chip *gpio_chip; const struct pinctrl_desc *pctl_desc; @@ -1090,9 +1120,9 @@ static const struct bcm_plat_data bcm283 };
static const struct bcm_plat_data bcm2711_plat_data = { - .gpio_chip = &bcm2835_gpio_chip, + .gpio_chip = &bcm2711_gpio_chip, .pctl_desc = &bcm2711_pinctrl_desc, - .gpio_range = &bcm2835_pinctrl_gpio_range, + .gpio_range = &bcm2711_pinctrl_gpio_range, };
static const struct of_device_id bcm2835_pinctrl_match[] = { @@ -1118,8 +1148,8 @@ static int bcm2835_pinctrl_probe(struct int err, i; const struct of_device_id *match;
- BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_pins) != BCM2835_NUM_GPIOS); - BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_groups) != BCM2835_NUM_GPIOS); + BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_pins) != BCM2711_NUM_GPIOS); + BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_groups) != BCM2711_NUM_GPIOS);
pc = devm_kzalloc(dev, sizeof(*pc), GFP_KERNEL); if (!pc)