[PATCH v5 2/3] gpio: pca9570: add a platform data structure
From: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Date: 2022-09-30 10:38:50
Also in:
linux-gpio
Subsystem:
gpio subsystem, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Linus Torvalds
Add struct pca9570_platform_data for adding the platform data structure. Also modify the existing structs for pca9570 and pca9571 Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com> --- (no changes since v3) Changes in v3: split the new patch Suggested by Andy Shevchenko drivers/gpio/gpio-pca9570.c | 26 ++++++++++++++++++++++---- 1 file changed, 22 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/gpio-pca9570.c b/drivers/gpio/gpio-pca9570.c
index ab2a652964ec..d49e088e6b43 100644
--- a/drivers/gpio/gpio-pca9570.c
+++ b/drivers/gpio/gpio-pca9570.c@@ -15,6 +15,16 @@ #include <linux/mutex.h> #include <linux/property.h> +/** + * struct pca9570_platform_data - GPIO platformdata + * @ngpio: no of gpios + * @command: Command to be sent + */ +struct pca9570_platform_data { + u16 ngpio; + u32 command; +}; + /** * struct pca9570 - GPIO driver data * @chip: GPIO controller chip
@@ -119,16 +129,24 @@ static int pca9570_probe(struct i2c_client *client) return devm_gpiochip_add_data(&client->dev, &gpio->chip, gpio); } +static const struct pca9570_platform_data pca9570_gpio = { + .ngpio = 4, +}; + +static const struct pca9570_platform_data pca9571_gpio = { + .ngpio = 8, +}; + static const struct i2c_device_id pca9570_id_table[] = { - { "pca9570", 4 }, - { "pca9571", 8 }, + { "pca9570", (kernel_ulong_t)&pca9570_gpio}, + { "pca9571", (kernel_ulong_t)&pca9571_gpio }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(i2c, pca9570_id_table); static const struct of_device_id pca9570_of_match_table[] = { - { .compatible = "nxp,pca9570", .data = (void *)4 }, - { .compatible = "nxp,pca9571", .data = (void *)8 }, + { .compatible = "nxp,pca9570", .data = &pca9570_gpio }, + { .compatible = "nxp,pca9571", .data = &pca9571_gpio }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, pca9570_of_match_table);
--
2.17.1