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gpio: rockchip: explan the format of the GPIO version ID

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Remove redundant comments and provide a detailed explanation of the
GPIO version ID.

Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20241112015408.3139996-2-ye.zhang@rock-chips.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Ye Zhang 2024-11-12 09:54:05 +08:00 committed by Bartosz Golaszewski
parent e106b1dd38
commit 591ae6bed2
1 changed files with 8 additions and 2 deletions
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10
drivers/gpio/gpio-rockchip.c
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@ -26,9 +26,15 @@
#include "../pinctrl/core.h"
#include "../pinctrl/pinctrl-rockchip.h"
/*
* Version ID Register
* Bits [31:24] - Major Version
* Bits [23:16] - Minor Version
* Bits [15:0] - Revision Number
*/
#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 (0x01000C2B)
#define GPIO_TYPE_V2_1 (0x0101157C)
static const struct rockchip_gpio_regs gpio_regs_v1 = {
.port_dr = 0x00,