diff mbox series

[v1,2/5] gpio: rockchip: support GPIO_TYPE_V2_2

Message ID 20240815071651.3645949-3-ye.zhang@rock-chips.com (mailing list archive)
State New, archived
Headers show
Series gpio: rockchip: Update the GPIO driver | expand

Commit Message

Ye Zhang Aug. 15, 2024, 7:16 a.m. UTC 
Support GPIO_TYPE_V2_2

Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
---
 drivers/gpio/gpio-rockchip.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

Comments

Bartosz Golaszewski Aug. 16, 2024, 9:49 a.m. UTC | #1 
On Thu, Aug 15, 2024 at 9:17 AM Ye Zhang <ye.zhang@rock-chips.com> wrote:
>
> Support GPIO_TYPE_V2_2
>

I don't know what GPIO_TYPE_V2_2 is. Please explain in detail what
you're doing here.

Bart
diff mbox series

Patch

diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
index 251961a876a9..b2f26a16b1f6 100644
--- a/drivers/gpio/gpio-rockchip.c
+++ b/drivers/gpio/gpio-rockchip.c
@@ -32,6 +32,7 @@ 
 #define GPIO_TYPE_V1		(0)           /* GPIO Version ID reserved */
 #define GPIO_TYPE_V2		(0x01000C2B)  /* GPIO Version ID 0x01000C2B */
 #define GPIO_TYPE_V2_1		(0x0101157C)  /* GPIO Version ID 0x0101157C */
+#define GPIO_TYPE_V2_2		(0x010219C8)  /* GPIO Version ID 0x010219C8 */
 
 #define GPIO_MAX_PINS	(32)
 
@@ -624,13 +625,17 @@  static void rockchip_gpio_get_ver(struct rockchip_pin_bank *bank)
 {
 	int id = readl(bank->reg_base + gpio_regs_v2.version_id);
 
-	/* If not gpio v2, that is default to v1. */
-	if (id == GPIO_TYPE_V2 || id == GPIO_TYPE_V2_1) {
+	switch (id) {
+	case GPIO_TYPE_V2:
+	case GPIO_TYPE_V2_1:
+	case GPIO_TYPE_V2_2:
 		bank->gpio_regs = &gpio_regs_v2;
 		bank->gpio_type = GPIO_TYPE_V2;
-	} else {
+		break;
+	default:
 		bank->gpio_regs = &gpio_regs_v1;
 		bank->gpio_type = GPIO_TYPE_V1;
+		pr_info("Note: Use default GPIO_TYPE_V1!\n");
 	}
 }