lede/target/linux/rockchip/patches-6.12/014-v6.13-gpio-rockchip-explan-the-format-of-the-GPIO-version-ID.patch
2024-12-19 22:20:09 +08:00

38 lines
1.4 KiB
Diff

From 591ae6bed250e4067db926313ff7279d23a1c7d1 Mon Sep 17 00:00:00 2001
From: Ye Zhang <ye.zhang@rock-chips.com>
Date: Tue, 12 Nov 2024 09:54:05 +0800
Subject: [PATCH] gpio: rockchip: explan the format of the GPIO version ID
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>
---
drivers/gpio/gpio-rockchip.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
--- a/drivers/gpio/gpio-rockchip.c
+++ b/drivers/gpio/gpio-rockchip.c
@@ -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,