[PATCH 2/2] arm64: dts: exynos: added mailbox node

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




This patch adds the dt node for the mailbox IP

Signed-off-by: Girish K S <ks.giri@xxxxxxxxxxx>

Change-Id: I35e45e9a62592887a84a909aee54f259a2f731fa
---
 .../bindings/mailbox/samsung-mailbox.txt           |   24 +++++++
 arch/arm64/boot/dts/samsung-gh7.dtsi               |   66 ++++++++++++++++++++
 arch/arm64/boot/dts/samsung-ssdk-gh7.dts           |    3 +
 3 files changed, 93 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mailbox/samsung-mailbox.txt

diff --git a/Documentation/devicetree/bindings/mailbox/samsung-mailbox.txt b/Documentation/devicetree/bindings/mailbox/samsung-mailbox.txt
new file mode 100644
index 0000000..1908d71
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/samsung-mailbox.txt
@@ -0,0 +1,24 @@
+
+Samsung Mailbox Driver
+
+Required properties:
+- compatible:		Should be one of the following,
+			    "samsung,gh7-mailbox" for
+				Samsung GH7 SoC series
+			    "samsung,exynos-mailbox" for
+				exynosx SoC series
+- reg:			Contains the mailbox register address range (base address
+			and length)
+- interrupts: 		Contains the interrupt information for the mailbox
+			device.
+- samsung,mbox-names:	Array of the names of the mailboxes
+
+Example:
+
+/* Samsung GH7 SoC */
+mailbox@100a0000 {
+	compatible = "samsung,gh7-mailbox";
+	reg = <0x0 0x100a0000 0x0 0x1000>;
+	interrupts = <0 310 0>;
+	samsung,mbox-names = "a7q-scp";
+};
diff --git a/arch/arm64/boot/dts/samsung-gh7.dtsi b/arch/arm64/boot/dts/samsung-gh7.dtsi
index c3610bd..be4cce9 100644
--- a/arch/arm64/boot/dts/samsung-gh7.dtsi
+++ b/arch/arm64/boot/dts/samsung-gh7.dtsi
@@ -107,5 +107,71 @@
 			interrupts = <0 420 0>;
 			arm,primecell-periphid = <0x341011>; /* HACK */
 		};
+
+	};
+
+	mailbox@100a0000 {
+		compatible = "samsung,gh7-mailbox";
+		reg = <0x0 0x100a0000 0x0 0x1000>;
+		interrupts = <0 310 0>;
+		samsung,mbox-names = "a7q-scp";
+		status = "disabled";
+	};
+
+	mailbox@24100000 {
+		compatible = "samsung,exynos-mailbox";
+		reg = 	< 0x0 0x24100000 0x0 0x10000>;
+		interrupts = <0 251 0>;
+		samsung,mbox-names = "ncp-a7q-0";
+		status = "disabled";
+	};
+	mailbox@24110000 {
+		compatible = "samsung,exynos-mailbox";
+		reg = 	<0x0 0x24110000 0x0 0x10000>;
+		interrupts = <0 252 0>;
+		samsung,mbox-names = "ncp-a7q-1";
+		status = "disabled";
+	};
+	mailbox@24120000 {
+		compatible = "samsung,exynos-mailbox";
+		reg = 	<0x0 0x24120000 0x0 0x10000>;
+		interrupts = <0 253 0>;
+		samsung,mbox-names = "ncp-a7q-2";
+		status = "disabled";
+	};
+	mailbox@24130000 {
+		compatible = "samsung,exynos-mailbox";
+		reg = 	<0x0 0x24130000 0x0 0x10000>;
+		interrupts = <0 254 0>;
+		samsung,mbox-names = "ncp-a7q-3";
+		status = "disabled";
+	};
+	mailbox@24140000 {
+		compatible = "samsung,exynos-mailbox";
+		reg = 	<0x0 0x24140000 0x0 0x10000>;
+		interrupts = <0 255 0>;
+		samsung,mbox-names = "ncp-a7q-4";
+		status = "disabled";
+	};
+	mailbox@24150000 {
+		compatible = "samsung,exynos-mailbox";
+		reg = 	<0x0 0x24150000 0x0 0x10000>;
+		interrupts = <0 256 0>;
+		samsung,mbox-names = "ncp-a7q-5";
+		status = "disabled";
+	};
+	mailbox@24160000 {
+		compatible = "samsung,exynos-mailbox";
+		reg = 	<0x0 0x24160000 0x0 0x10000>;
+		interrupts = <0 257 0>;
+		samsung,mbox-names = "ncp-a7q-6";
+		status = "disabled";
+	};
+	mailbox@24170000 {
+		compatible = "samsung,exynos-mailbox";
+		reg = 	<0x0 0x24170000 0x0 0x10000>;
+		interrupts = <0 258 0>;
+		samsung,mbox-names = "ncp-a7q-7";
+		status = "disabled";
 	};
 };
diff --git a/arch/arm64/boot/dts/samsung-ssdk-gh7.dts b/arch/arm64/boot/dts/samsung-ssdk-gh7.dts
index 4ce7d67..bfe5455 100644
--- a/arch/arm64/boot/dts/samsung-ssdk-gh7.dts
+++ b/arch/arm64/boot/dts/samsung-ssdk-gh7.dts
@@ -23,4 +23,7 @@
 		device_type = "memory";
 		reg = <0x00000000 0x80000000 0 0x20000000>;
 	};
+	mailbox@100a0000 {
+		status = "okay";
+	};
 };
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]
  Powered by Linux