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Merge pull request #9256 from heitbaum/rk3328

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linux (Rockchip RK3328): pinctrl fix
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Christian Hewitt 2024-09-07 16:15:42 +04:00 committed by GitHub
commit 1d018052f4
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projects/Rockchip/patches/linux/default/linux-0003-pinctrl--rockchip--correct-RK3328-iomux-width-flag-for-GPIO2-B-pins.patch Normal file
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@ -0,0 +1,55 @@
From e0e1d9a46cbcebf4faa5e3deacefe9934886bea1 Mon Sep 17 00:00:00 2001
From: Huang-Huang Bao <i@eh5.me>
Date: Tue, 9 Jul 2024 18:54:28 +0800
Subject: pinctrl: rockchip: correct RK3328 iomux width flag for GPIO2-B pins
commit 128f71fe014fc91efa1407ce549f94a9a9f1072c upstream.
The base iomux offsets for each GPIO pin line are accumulatively
calculated based off iomux width flag in rockchip_pinctrl_get_soc_data.
If the iomux width flag is one of IOMUX_WIDTH_4BIT, IOMUX_WIDTH_3BIT or
IOMUX_WIDTH_2BIT, the base offset for next pin line would increase by 8
bytes, otherwise it would increase by 4 bytes.
Despite most of GPIO2-B iomux have 2-bit data width, which can be fit
into 4 bytes space with write mask, it actually take 8 bytes width for
whole GPIO2-B line.
Commit e8448a6c817c ("pinctrl: rockchip: fix pinmux bits for RK3328
GPIO2-B pins") wrongly set iomux width flag to 0, causing all base
iomux offset for line after GPIO2-B to be calculated wrong. Fix the
iomux width flag to IOMUX_WIDTH_2BIT so the offset after GPIO2-B is
correctly increased by 8, matching the actual width of GPIO2-B iomux.
Fixes: e8448a6c817c ("pinctrl: rockchip: fix pinmux bits for RK3328 GPIO2-B pins")
Cc: stable@vger.kernel.org
Reported-by: Richard Kojedzinszky <richard@kojedz.in>
Closes: https://lore.kernel.org/linux-rockchip/4f29b743202397d60edfb3c725537415@kojedz.in/
Tested-by: Richard Kojedzinszky <richard@kojedz.in>
Signed-off-by: Huang-Huang Bao <i@eh5.me>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Tested-by: Trevor Woerner <twoerner@gmail.com>
Link: https://lore.kernel.org/20240709105428.1176375-1-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pinctrl/pinctrl-rockchip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index b02eaba010d101..b5a02335617d77 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -3802,7 +3802,7 @@ static struct rockchip_pin_bank rk3328_pin_banks[] = {
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0),
PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0,
- 0,
+ IOMUX_WIDTH_2BIT,
IOMUX_WIDTH_3BIT,
0),
PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3",
--
cgit 1.2.3-korg