Provide access to SCIF3 on EXIO Connector C.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
arch/arm/boot/dts/Makefile | 1 +
.../arm/boot/dts/r8a7791-koelsch-exio-c-scif3.dtso | 60 ++++++++++++++++++++++
2 files changed, 61 insertions(+)
create mode 100644 arch/arm/boot/dts/r8a7791-koelsch-exio-c-scif3.dtso
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 19e36347aeb302b1..ec2abfe19329b791 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -675,6 +675,7 @@ dtb-$(CONFIG_ARCH_SHMOBILE_MULTI) += \
r8a7791-koelsch-exio-a-hscif2.dtbo \
r8a7791-koelsch-exio-a-scifb0.dtbo \
r8a7791-koelsch-exio-a-scifb1.dtbo \
+ r8a7791-koelsch-exio-c-scif3.dtbo \
endif
endif
diff --git a/arch/arm/boot/dts/r8a7791-koelsch-exio-c-scif3.dtso b/arch/arm/boot/dts/r8a7791-koelsch-exio-c-scif3.dtso
new file mode 100644
index 0000000000000000..3cb5fd138c0997c6
--- /dev/null
+++ b/arch/arm/boot/dts/r8a7791-koelsch-exio-c-scif3.dtso
@@ -0,0 +1,60 @@
+/*
+ * Device Tree Overlay for SCIF3 on r8a7791/Koelsch EXIO Connector C
+ *
+ * Copyright (C) 2015 Glider bvba
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ *
+ * Pinout:
+ * - RXD = EXIO Connector C pin 40
+ * - TXD = EXIO Connector C pin 38
+ *
+ * Notes:
+ * - As these pins are shared with SDHI0, the latter is disabled first.
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+ fragment@0 {
+ target-path = "/aliases";
+
+ __overlay__ {
+ /* serial3 = &scif3; */
+ serial3 = "/serial@e6ea8000";
+ };
+ };
+
+ fragment@1 {
+ target = <&pfc>;
+
+ __overlay__ {
+ scif3_pins: serial3 {
+ renesas,groups = "scif3_data_c";
+ renesas,function = "scif3";
+ };
+ };
+ };
+
+ fragment@2 {
+ target = <&sdhi0>;
+
+ __overlay__ {
+ status = "disabled";
+ };
+ };
+
+ fragment@3 {
+ target = <&scif3>;
+
+ __overlay__ {
+ pinctrl-0 = <&scif3_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ };
+ };
+};
--
1.9.1
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