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