From: Chen Feng Date: Mon, 12 Oct 2015 07:00:15 +0000 (+0800) Subject: docs: dts: Add documentation for hi6220 SoC ION node X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d9c0e6c10dfed44bb35d6db4293b18af51e752ac;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git docs: dts: Add documentation for hi6220 SoC ION node Documentation for hi6220 SoC ION node Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin Signed-off-by: Greg Kroah-Hartman --- diff --git a/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt b/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt new file mode 100644 index 000000000000..c59e27c632c1 --- /dev/null +++ b/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt @@ -0,0 +1,31 @@ +Hi6220 SoC ION +=================================================================== +Required properties: +- compatible : "hisilicon,hi6220-ion" +- list of the ION heaps + - heap name : maybe heap_sys_user@0 + - heap id : id should be unique in the system. + - heap base : base ddr address of the heap,0 means that + it is dynamic. + - heap size : memory size and 0 means it is dynamic. + - heap type : the heap type of the heap, please also + see the define in ion.h(drivers/staging/android/uapi/ion.h) +------------------------------------------------------------------- +Example: + hi6220-ion { + compatible = "hisilicon,hi6220-ion"; + heap_sys_user@0 { + heap-name = "sys_user"; + heap-id = <0x0>; + heap-base = <0x0>; + heap-size = <0x0>; + heap-type = "ion_system"; + }; + heap_sys_contig@0 { + heap-name = "sys_contig"; + heap-id = <0x1>; + heap-base = <0x0>; + heap-size = <0x0>; + heap-type = "ion_system_contig"; + }; + };