[PATCH/RFC,10/12] ARM: shmobile: koelsch dts: Add overlay for SCIF5 on EXIO C

Commit Message

Geert Uytterhoeven May 12, 2015, 5:37 p.m. UTC

Provide access to SCIF5 on EXIO Connector C.

Signed-off-by: Geert Uytterhoeven <[e-mail]>
---
 arch/arm/boot/dts/Makefile                         |  1 +
 .../arm/boot/dts/r8a7791-koelsch-exio-c-scif5.dtso | 60 ++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 arch/arm/boot/dts/r8a7791-koelsch-exio-c-scif5.dtso

Patch

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index ec2abfe19329b791..655a967b0566a3d1 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -676,6 +676,7 @@  dtb-$(CONFIG_ARCH_SHMOBILE_MULTI) += \
 	r8a7791-koelsch-exio-a-scifb0.dtbo \
 	r8a7791-koelsch-exio-a-scifb1.dtbo \
 	r8a7791-koelsch-exio-c-scif3.dtbo \
+	r8a7791-koelsch-exio-c-scif5.dtbo \
 endif
 endif
 
diff --git a/arch/arm/boot/dts/r8a7791-koelsch-exio-c-scif5.dtso b/arch/arm/boot/dts/r8a7791-koelsch-exio-c-scif5.dtso
new file mode 100644
index 0000000000000000..37ec7006e1174a37
--- /dev/null
+++ b/arch/arm/boot/dts/r8a7791-koelsch-exio-c-scif5.dtso
@@ -0,0 +1,60 @@ 
+/*
+ * Device Tree Overlay for SCIF5 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 39
+ *   - TXD = EXIO Connector C pin 37
+ *
+ * Notes:
+ *   - As these pins are shared with SDHI2, the latter is disabled first.
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target-path = "/aliases";
+
+		__overlay__ {
+			/* serial5 = &scif5; */
+			serial5 = "/serial@e6ee8000";
+		};
+	};
+
+	fragment@1 {
+		target = <&pfc>;
+
+		__overlay__ {
+			scif5_pins: serial5 {
+				renesas,groups = "scif5_data_b";
+				renesas,function = "scif5";
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&sdhi2>;
+
+		__overlay__ {
+			status = "disabled";
+		};
+	};
+
+	fragment@3 {
+		target = <&scif5>;
+
+		__overlay__ {
+			pinctrl-0 = <&scif5_pins>;
+			pinctrl-names = "default";
+
+			status = "okay";
+		};
+	};
+};