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ralink: fix bank detection in mt7621 gpio driver 

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43253 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
John Crispin 2014-11-14 16:53:34 +00:00
parent 1449d55589
commit 13452fd432
1 changed files with 21 additions and 12 deletions
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33
target/linux/ramips/patches-3.14/0048-GPIO-ralink-add-mt7621-gpio-controller.patch
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@ -12,9 +12,11 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
4 files changed, 187 insertions(+)
create mode 100644 drivers/gpio/gpio-mt7621.c
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -437,6 +437,9 @@ config RALINK
Index: linux-3.14.18/arch/mips/Kconfig
===================================================================
--- linux-3.14.18.orig/arch/mips/Kconfig 2014-11-14 14:22:08.782141921 +0100
+++ linux-3.14.18/arch/mips/Kconfig 2014-11-14 14:22:08.994149701 +0100
@@ -437,6 +437,9 @@
select RESET_CONTROLLER
select PINCTRL
select PINCTRL_RT2880
@ -24,9 +26,11 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
config SGI_IP22
bool "SGI IP22 (Indy/Indigo2)"
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -827,6 +827,12 @@ config GPIO_BCM_KONA
Index: linux-3.14.18/drivers/gpio/Kconfig
===================================================================
--- linux-3.14.18.orig/drivers/gpio/Kconfig 2014-11-14 14:22:08.982149261 +0100
+++ linux-3.14.18/drivers/gpio/Kconfig 2014-11-14 14:22:08.998149848 +0100
@@ -827,6 +827,12 @@
help
Turn on GPIO support for Broadcom "Kona" chips.
@ -39,16 +43,20 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
comment "USB GPIO expanders:"
config GPIO_VIPERBOARD
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -100,3 +100,4 @@ obj-$(CONFIG_GPIO_WM8350) += gpio-wm8350
Index: linux-3.14.18/drivers/gpio/Makefile
===================================================================
--- linux-3.14.18.orig/drivers/gpio/Makefile 2014-11-14 14:22:08.982149261 +0100
+++ linux-3.14.18/drivers/gpio/Makefile 2014-11-14 14:22:08.998149848 +0100
@@ -100,3 +100,4 @@
obj-$(CONFIG_GPIO_WM8994) += gpio-wm8994.o
obj-$(CONFIG_GPIO_XILINX) += gpio-xilinx.o
obj-$(CONFIG_GPIO_XTENSA) += gpio-xtensa.o
+obj-$(CONFIG_GPIO_MT7621) += gpio-mt7621.o
--- /dev/null
+++ b/drivers/gpio/gpio-mt7621.c
@@ -0,0 +1,177 @@
Index: linux-3.14.18/drivers/gpio/gpio-mt7621.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.14.18/drivers/gpio/gpio-mt7621.c 2014-11-14 14:36:19.321724539 +0100
@@ -0,0 +1,178 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
@ -178,6 +186,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ rg->chip.direction_output = mediatek_gpio_direction_output;
+ rg->chip.get = mediatek_gpio_get;
+ rg->chip.set = mediatek_gpio_set;
+ rg->bank = be32_to_cpu(*id);
+
+ /* set polarity to low for all gpios */
+ mtk_gpio_w32(rg, GPIO_REG_POL, 0);