From: Akhil R <akhilrajeev@xxxxxxxxxx>
Extend the existing Tegra186 GPIO controller driver with support for the
GPIO controller found on Tegra241 (Grace). While the programming model
remains the same, the number of pins has slightly changed.
Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/gpio/gpio-tegra186.c | 52 ++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c
index 91c77fccc1e6..fe45f5a89bb2 100644
--- a/drivers/gpio/gpio-tegra186.c
+++ b/drivers/gpio/gpio-tegra186.c
@@ -15,6 +15,7 @@
#include <dt-bindings/gpio/tegra186-gpio.h>
#include <dt-bindings/gpio/tegra194-gpio.h>
#include <dt-bindings/gpio/tegra234-gpio.h>
+#include <dt-bindings/gpio/tegra241-gpio.h>
/* security registers */
#define TEGRA186_GPIO_CTL_SCR 0x0c
@@ -1042,6 +1043,55 @@ static const struct tegra_gpio_soc tegra234_aon_soc = {
.num_irqs_per_bank = 8,
};
+#define TEGRA241_MAIN_GPIO_PORT(_name, _bank, _port, _pins) \
+ [TEGRA241_MAIN_GPIO_PORT_##_name] = { \
+ .name = #_name, \
+ .bank = _bank, \
+ .port = _port, \
+ .pins = _pins, \
+ }
+
+static const struct tegra_gpio_port tegra241_main_ports[] = {
+ TEGRA241_MAIN_GPIO_PORT(A, 0, 0, 8),
+ TEGRA241_MAIN_GPIO_PORT(B, 0, 1, 8),
+ TEGRA241_MAIN_GPIO_PORT(C, 0, 2, 2),
+ TEGRA241_MAIN_GPIO_PORT(D, 0, 3, 6),
+ TEGRA241_MAIN_GPIO_PORT(E, 0, 4, 8),
+ TEGRA241_MAIN_GPIO_PORT(F, 1, 0, 8),
+ TEGRA241_MAIN_GPIO_PORT(G, 1, 1, 8),
+ TEGRA241_MAIN_GPIO_PORT(H, 1, 2, 8),
+ TEGRA241_MAIN_GPIO_PORT(J, 1, 3, 8),
+ TEGRA241_MAIN_GPIO_PORT(K, 1, 4, 4),
+ TEGRA241_MAIN_GPIO_PORT(L, 1, 5, 6),
+};
+
+static const struct tegra_gpio_soc tegra241_main_soc = {
+ .num_ports = ARRAY_SIZE(tegra241_main_ports),
+ .ports = tegra241_main_ports,
+ .name = "tegra241-gpio",
+ .instance = 0,
+};
+
+#define TEGRA241_AON_GPIO_PORT(_name, _bank, _port, _pins) \
+ [TEGRA241_AON_GPIO_PORT_##_name] = { \
+ .name = #_name, \
+ .bank = _bank, \
+ .port = _port, \
+ .pins = _pins, \
+ }
+
+static const struct tegra_gpio_port tegra241_aon_ports[] = {
+ TEGRA241_AON_GPIO_PORT(AA, 0, 0, 8),
+ TEGRA241_AON_GPIO_PORT(BB, 0, 0, 4),
+};
+
+static const struct tegra_gpio_soc tegra241_aon_soc = {
+ .num_ports = ARRAY_SIZE(tegra241_aon_ports),
+ .ports = tegra241_aon_ports,
+ .name = "tegra241-gpio-aon",
+ .instance = 1,
+};
+
static const struct of_device_id tegra186_gpio_of_match[] = {
{
.compatible = "nvidia,tegra186-gpio",
@@ -1072,6 +1122,8 @@ static const struct acpi_device_id tegra186_gpio_acpi_match[] = {
{ .id = "NVDA0208", .driver_data = (kernel_ulong_t)&tegra186_aon_soc },
{ .id = "NVDA0308", .driver_data = (kernel_ulong_t)&tegra194_main_soc },
{ .id = "NVDA0408", .driver_data = (kernel_ulong_t)&tegra194_aon_soc },
+ { .id = "NVDA0508", .driver_data = (kernel_ulong_t)&tegra241_main_soc },
+ { .id = "NVDA0608", .driver_data = (kernel_ulong_t)&tegra241_aon_soc },
{}
};
MODULE_DEVICE_TABLE(acpi, tegra186_gpio_acpi_match);
--
2.34.1
