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Date: Mon, 17 Mar 2014 17:33:59 +0530
From: Girish K S <ks.giri@...sung.com>
To: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: jassisinghbrar@...il.com, s-anna@...com, ilho215.lee@...sung.com,
Girish K S <ks.giri@...sung.com>
Subject: [PATCH 2/2] arm64: dts: exynos: added mailbox node
This patch adds the dt node for the mailbox IP
Signed-off-by: Girish K S <ks.giri@...sung.com>
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@...a0000 {
+ 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@...a0000 {
+ compatible = "samsung,gh7-mailbox";
+ reg = <0x0 0x100a0000 0x0 0x1000>;
+ interrupts = <0 310 0>;
+ samsung,mbox-names = "a7q-scp";
+ status = "disabled";
+ };
+
+ mailbox@...00000 {
+ compatible = "samsung,exynos-mailbox";
+ reg = < 0x0 0x24100000 0x0 0x10000>;
+ interrupts = <0 251 0>;
+ samsung,mbox-names = "ncp-a7q-0";
+ status = "disabled";
+ };
+ mailbox@...10000 {
+ compatible = "samsung,exynos-mailbox";
+ reg = <0x0 0x24110000 0x0 0x10000>;
+ interrupts = <0 252 0>;
+ samsung,mbox-names = "ncp-a7q-1";
+ status = "disabled";
+ };
+ mailbox@...20000 {
+ compatible = "samsung,exynos-mailbox";
+ reg = <0x0 0x24120000 0x0 0x10000>;
+ interrupts = <0 253 0>;
+ samsung,mbox-names = "ncp-a7q-2";
+ status = "disabled";
+ };
+ mailbox@...30000 {
+ compatible = "samsung,exynos-mailbox";
+ reg = <0x0 0x24130000 0x0 0x10000>;
+ interrupts = <0 254 0>;
+ samsung,mbox-names = "ncp-a7q-3";
+ status = "disabled";
+ };
+ mailbox@...40000 {
+ compatible = "samsung,exynos-mailbox";
+ reg = <0x0 0x24140000 0x0 0x10000>;
+ interrupts = <0 255 0>;
+ samsung,mbox-names = "ncp-a7q-4";
+ status = "disabled";
+ };
+ mailbox@...50000 {
+ compatible = "samsung,exynos-mailbox";
+ reg = <0x0 0x24150000 0x0 0x10000>;
+ interrupts = <0 256 0>;
+ samsung,mbox-names = "ncp-a7q-5";
+ status = "disabled";
+ };
+ mailbox@...60000 {
+ compatible = "samsung,exynos-mailbox";
+ reg = <0x0 0x24160000 0x0 0x10000>;
+ interrupts = <0 257 0>;
+ samsung,mbox-names = "ncp-a7q-6";
+ status = "disabled";
+ };
+ mailbox@...70000 {
+ 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@...a0000 {
+ status = "okay";
+ };
};
--
1.7.10.4
--
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