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38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
From 591ae6bed250e4067db926313ff7279d23a1c7d1 Mon Sep 17 00:00:00 2001
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From: Ye Zhang <ye.zhang@rock-chips.com>
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Date: Tue, 12 Nov 2024 09:54:05 +0800
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Subject: [PATCH] gpio: rockchip: explan the format of the GPIO version ID
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Remove redundant comments and provide a detailed explanation of the
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GPIO version ID.
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Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
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Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Link: https://lore.kernel.org/r/20241112015408.3139996-2-ye.zhang@rock-chips.com
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Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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---
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drivers/gpio/gpio-rockchip.c | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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--- a/drivers/gpio/gpio-rockchip.c
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+++ b/drivers/gpio/gpio-rockchip.c
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@@ -26,9 +26,15 @@
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#include "../pinctrl/core.h"
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#include "../pinctrl/pinctrl-rockchip.h"
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+/*
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+ * Version ID Register
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+ * Bits [31:24] - Major Version
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+ * Bits [23:16] - Minor Version
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+ * Bits [15:0] - Revision Number
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+ */
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#define GPIO_TYPE_V1 (0) /* GPIO Version ID reserved */
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-#define GPIO_TYPE_V2 (0x01000C2B) /* GPIO Version ID 0x01000C2B */
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-#define GPIO_TYPE_V2_1 (0x0101157C) /* GPIO Version ID 0x0101157C */
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+#define GPIO_TYPE_V2 (0x01000C2B)
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+#define GPIO_TYPE_V2_1 (0x0101157C)
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static const struct rockchip_gpio_regs gpio_regs_v1 = {
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.port_dr = 0x00,
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