From 3ec4569fe1de42ed918e76d2f6e3c9d9ccc56c6e Mon Sep 17 00:00:00 2001
From: Mike Nicholson <mike.nicholson@multitech.com>
Date: Mon, 7 Jan 2019 16:23:23 -0600
Subject: Add pull-up patch for MTRv1 radio power / reset

---
 .../0001-Add-radio-control-with-pullups.patch      | 31 ++++++++++++++++++++++
 recipes-kernel/linux/linux-at91_4.9.87.bb          |  1 +
 2 files changed, 32 insertions(+)
 create mode 100644 recipes-kernel/linux/linux-at91-4.9.87/mtrv1/0001-Add-radio-control-with-pullups.patch

(limited to 'recipes-kernel/linux')

diff --git a/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/0001-Add-radio-control-with-pullups.patch b/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/0001-Add-radio-control-with-pullups.patch
new file mode 100644
index 0000000..c2dd44c
--- /dev/null
+++ b/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/0001-Add-radio-control-with-pullups.patch
@@ -0,0 +1,31 @@
+From c262385706e1d3a25d6b21b53099e4dea4156861 Mon Sep 17 00:00:00 2001
+From: Mike Nicholson <mike.nicholson@multitech.com>
+Date: Mon, 7 Jan 2019 15:25:52 -0600
+Subject: [PATCH] Add radio control with pullups
+
+---
+ arch/arm/boot/dts/mtrv1.dts | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/arch/arm/boot/dts/mtrv1.dts b/arch/arm/boot/dts/mtrv1.dts
+index dbd113df..50bac466 100644
+--- a/arch/arm/boot/dts/mtrv1.dts
++++ b/arch/arm/boot/dts/mtrv1.dts
+@@ -86,6 +86,14 @@
+ 						atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
+ 					};
+ 				};
++
++        radio_control {
++          pinctrl_radio_control: radio_control-0 {
++            atmel,pins =
++							<AT91_PIOA 21 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP  /* PA22 GPIO pull-up radio-power */
++							AT91_PIOA 22 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* PA22 GPIO pull-up radio-reset */
++          };
++        };
+ 			};
+ 
+ 			rtc@fffffeb0 {
+-- 
+2.19.2
+
diff --git a/recipes-kernel/linux/linux-at91_4.9.87.bb b/recipes-kernel/linux/linux-at91_4.9.87.bb
index 2e73876..67f0805 100644
--- a/recipes-kernel/linux/linux-at91_4.9.87.bb
+++ b/recipes-kernel/linux/linux-at91_4.9.87.bb
@@ -50,6 +50,7 @@ SRC_URI_append_mtrv1 = "\
             file://linux-4.9-mtrv1-device-tree.patch \
             file://950-0090-OF-DT-Overlay-configfs-interface.patch \
             file://linux-4.9-spidev_squack.patch \
+            file://0001-Add-radio-control-with-pullups.patch \
             "
 
 DTB_APPEND_mtcdt = "mtcdt"
-- 
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