[OpenWrt-Devel] [PATCH] gemini: Fix up some confused pin config on SL93512r

[Linus Walleij]

Upstream patch fixing the errors in the device tree.

Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
 ...-gemini-Fix-up-confused-pin-settings.patch | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 target/linux/gemini/patches-4.19/0024-ARM-dts-gemini-Fix-up-confused-pin-settings.patch

diff --git a/target/linux/gemini/patches-4.19/0024-ARM-dts-gemini-Fix-up-confused-pin-settings.patch b/target/linux/gemini/patches-4.19/0024-ARM-dts-gemini-Fix-up-confused-pin-settings.patch
new file mode 100644
index 000000000000..9ae2a79cbf50
--- /dev/null
+++ b/target/linux/gemini/patches-4.19/0024-ARM-dts-gemini-Fix-up-confused-pin-settings.patch
@@ -0,0 +1,54 @@
+From 384ec5ed82845c2c81968743dde4a758f572c11b Mon Sep 17 00:00:00 2001
+From: Linus Walleij <linus.walleij at linaro.org>
+Date: Sat, 13 Jul 2019 11:52:29 +0200
+Subject: [PATCH] ARM: dts: gemini: Fix up confused pin settings
+
+The SL93512r board has its pin muxing set up for the wrong
+ASIC: SL3516 instead of SL3512 that it is using. Fix it
+up and reference the right GPIO for the WPS button.
+
+Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
+---
+ arch/arm/boot/dts/gemini-sl93512r.dts | 19 +++++++++++--------
+ 1 file changed, 11 insertions(+), 8 deletions(-)
+
+--- a/arch/arm/boot/dts/gemini-sl93512r.dts
++++ b/arch/arm/boot/dts/gemini-sl93512r.dts
+@@ -36,8 +36,8 @@
+ 			wakeup-source;
+ 			linux,code = <KEY_WPS_BUTTON>;
+ 			label = "WPS";
+-			/* Conflict with NAND flash */
+-			gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
++			/* Conflicts with TVC and extended flash */
++			gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
+ 		};
+ 
+ 		button-setup {
+@@ -153,17 +153,20 @@
+ 		syscon: syscon at 40000000 {
+ 			pinctrl {
+ 				/*
+-				 * gpio0egrp cover line 16 used by HD LED
+-				 * gpio0fgrp cover line 17, 18 used by wireless LED and reset button
+-				 * gpio0hgrp cover line 21, 22 used by MDIO for Marvell PHY
+-				 * gpio0kgrp cover line 31 used by USB LED
++				 * gpio0agrp cover line 0, used by WPS button
++				 * gpio0fgrp cover line 16 used by HD LED
++				 * gpio0ggrp cover line 17, 18 used by wireless LAN LED and
++				 * reset button OR USB ID select on 17 and USB VBUS select
++				 * on 18. (Confusing.)
++				 * gpio0igrp cover line 21, 22 used by MDIO for Marvell PHY
+ 				 */
+ 				gpio0_default_pins: pinctrl-gpio0 {
+ 					mux {
+ 						function = "gpio0";
+-						groups = "gpio0egrp",
++						groups = "gpio0agrp",
+ 						"gpio0fgrp",
+-						"gpio0hgrp";
++						"gpio0ggrp",
++						"gpio0igrp";
+ 					};
+ 				};
+ 				/*
-- 
2.21.0


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