[PATCH v6 1/2] Documentation: dt: Update ti,emif bindings
From: Dave Gerlach <hidden>
Date: 2017-11-30 22:57:03
Also in:
linux-devicetree, linux-omap, lkml
Subsystem:
memory controller drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Krzysztof Kozlowski, Rob Herring, Conor Dooley, Linus Torvalds
Update the Texas Instruments EMIF binding document to include the device tree bindings for ti,emif-am3352 and ti,emif-am4372 which are used by the ti-emif-sram driver to provide low-level PM functionality. Acked-by: Rob Herring <robh@kernel.org> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Dave Gerlach <redacted> --- .../devicetree/bindings/memory-controllers/ti/emif.txt | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt
index fd823d6091b2..29a99871e808 100644
--- a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt@@ -23,6 +23,13 @@ Required properties: the value shall be "emif<n>" where <n> is the number of the EMIF instance with base 1. +Required only for "ti,emif-am3352" and "ti,emif-am4372": +- sram : Phandles for generic sram driver nodes, + first should be type 'protect-exec' for the driver to use to copy + and run PM functions, second should be regular pool to be used for + data region for code. See Documentation/devicetree/bindings/sram/sram.txt + for more details. + Optional properties: - cs1-used : Have this property if CS1 of this EMIF instance has a memory part attached to it. If there is a memory
@@ -44,7 +51,7 @@ Optional properties: - hw-caps-temp-alert : Have this property if the controller has capability for generating SDRAM temperature alerts -Example: +-Examples: emif1: emif at 0x4c000000 { compatible = "ti,emif-4d";
@@ -56,3 +63,11 @@ emif1: emif at 0x4c000000 { hw-caps-ll-interface; hw-caps-temp-alert; }; + +/* From am33xx.dtsi */ +emif: emif at 4c000000 { + compatible = "ti,emif-am3352"; + reg = <0x4C000000 0x1000>; + sram = <&pm_sram_code + &pm_sram_data>; +};
--
2.15.0