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authorPrathamesh Shete <pshete@nvidia.com>2025-08-23 11:24:20 +0530
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-09-01 10:20:42 +0200
commitdb12ee08726e55c8a1a70c2308f98d121d96edc6 (patch)
treed9526e9f63e527242a18bd824eb252d090dcbc02 /drivers/gpio
parenteef6dcbc52fa83c392a2f4a52845f347b233a584 (diff)
downloadnet-db12ee08726e55c8a1a70c2308f98d121d96edc6.tar.gz
gpio: tegra186: Add support for Tegra256
Extend the existing Tegra186 GPIO controller driver with support for the GPIO controller found on Tegra256. While the programming model remains the same, the number of pins has slightly changed. Signed-off-by: Prathamesh Shete <pshete@nvidia.com> Link: https://lore.kernel.org/r/20250823055420.24664-2-pshete@nvidia.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-tegra186.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c
index 5fd3ec3e2c53d2..4d3db6e06eeb27 100644
--- a/drivers/gpio/gpio-tegra186.c
+++ b/drivers/gpio/gpio-tegra186.c
@@ -20,6 +20,7 @@
#include <dt-bindings/gpio/tegra194-gpio.h>
#include <dt-bindings/gpio/tegra234-gpio.h>
#include <dt-bindings/gpio/tegra241-gpio.h>
+#include <dt-bindings/gpio/tegra256-gpio.h>
/* security registers */
#define TEGRA186_GPIO_CTL_SCR 0x0c
@@ -1279,6 +1280,30 @@ static const struct tegra_gpio_soc tegra241_aon_soc = {
.has_vm_support = false,
};
+#define TEGRA256_MAIN_GPIO_PORT(_name, _bank, _port, _pins) \
+ [TEGRA256_MAIN_GPIO_PORT_##_name] = { \
+ .name = #_name, \
+ .bank = _bank, \
+ .port = _port, \
+ .pins = _pins, \
+ }
+
+static const struct tegra_gpio_port tegra256_main_ports[] = {
+ TEGRA256_MAIN_GPIO_PORT(A, 0, 0, 8),
+ TEGRA256_MAIN_GPIO_PORT(B, 0, 1, 8),
+ TEGRA256_MAIN_GPIO_PORT(C, 0, 2, 8),
+ TEGRA256_MAIN_GPIO_PORT(D, 0, 3, 8),
+};
+
+static const struct tegra_gpio_soc tegra256_main_soc = {
+ .num_ports = ARRAY_SIZE(tegra256_main_ports),
+ .ports = tegra256_main_ports,
+ .name = "tegra256-gpio-main",
+ .instance = 1,
+ .num_irqs_per_bank = 8,
+ .has_vm_support = true,
+};
+
static const struct of_device_id tegra186_gpio_of_match[] = {
{
.compatible = "nvidia,tegra186-gpio",
@@ -1299,6 +1324,9 @@ static const struct of_device_id tegra186_gpio_of_match[] = {
.compatible = "nvidia,tegra234-gpio-aon",
.data = &tegra234_aon_soc
}, {
+ .compatible = "nvidia,tegra256-gpio",
+ .data = &tegra256_main_soc
+ }, {
/* sentinel */
}
};