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ralink: fix mt7620 nd_sd pinmux

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In case the nd_sd group is set to the sd-card function, Pins 45 + 46 are
configured as GPIOs. If they are blocked by the sd function, they can't
be used as GPIOs.

Reported-by: Kristian Evensen <kristian.evensen@gmail.com>
Signed-off-by: Mathias Kresin <dev@kresin.me>
This commit is contained in:
Mathias Kresin 2018-10-28 13:05:17 +01:00
parent 9ebce69611
commit d6ce04dad8
1 changed files with 29 additions and 0 deletions
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29
target/linux/ramips/patches-4.14/0008-MIPS-ralink-Fix-mt7620-nd_sd-pinmux.patch Normal file
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@ -0,0 +1,29 @@
From d41237229464ae03fe116b591e8a2fda4ffea48e Mon Sep 17 00:00:00 2001
From: Mathias Kresin <dev@kresin.me>
Date: Sun, 28 Oct 2018 12:46:55 +0100
Subject: [PATCH] MIPS: ralink: Fix mt7620 nd_sd pinmux
In case the nd_sd group is set to the sd-card function, Pins 45 + 46 are
configured as GPIOs. If they are blocked by the sd function, they can't
be used as GPIOs.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Reported-by: Kristian Evensen <kristian.evensen@gmail.com>
Fixes: f576fb6a0700 ("MIPS: ralink: cleanup the soc specific pinmux
data")
Cc: stable@vger.kernel.org # v3.18+
---
arch/mips/ralink/mt7620.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/mips/ralink/mt7620.c
+++ b/arch/mips/ralink/mt7620.c
@@ -84,7 +84,7 @@ static struct rt2880_pmx_func pcie_rst_g
};
static struct rt2880_pmx_func nd_sd_grp[] = {
FUNC("nand", MT7620_GPIO_MODE_NAND, 45, 15),
- FUNC("sd", MT7620_GPIO_MODE_SD, 45, 15)
+ FUNC("sd", MT7620_GPIO_MODE_SD, 47, 13)
};
static struct rt2880_pmx_group mt7620a_pinmux_data[] = {