| Message ID | 20170519175708.6070-2-d-gerlach@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, May 19, 2017 at 12:57:07PM -0500, Dave Gerlach wrote: > 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. > > Signed-off-by: Dave Gerlach <d-gerlach@ti.com> > --- > .../devicetree/bindings/memory-controllers/ti/emif.txt | 18 +++++++++++++++++- > 1 file changed, 17 insertions(+), 1 deletion(-) I acked v1. Please add acks when posting new versions. Rob
* Rob Herring <robh@kernel.org> [170519 18:49]: > On Fri, May 19, 2017 at 12:57:07PM -0500, Dave Gerlach wrote: > > 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. > > > > Signed-off-by: Dave Gerlach <d-gerlach@ti.com> > > --- > > .../devicetree/bindings/memory-controllers/ti/emif.txt | 18 +++++++++++++++++- > > 1 file changed, 17 insertions(+), 1 deletion(-) > > I acked v1. Please add acks when posting new versions. And if I did not do so already: Acked-by: Tony Lindgren <tony@atomide.com>
diff --git a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt index 0db60470ebb6..8c0214b17c2b 100644 --- a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt +++ b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt @@ -8,6 +8,7 @@ of the EMIF IP and memory parts attached to it. Required properties: - compatible : Should be of the form "ti,emif-<ip-rev>" where <ip-rev> is the IP revision of the specific EMIF instance. + For am335x should be ti,emif-am3352. For am437x should be ti,emif-am4372. - phy-type : <u32> indicating the DDR phy type. Following are the @@ -21,6 +22,13 @@ 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 @@ -42,7 +50,7 @@ Optional properties: - hw-caps-temp-alert : Have this property if the controller has capability for generating SDRAM temperature alerts -Example: +-Examples: emif1: emif@0x4c000000 { compatible = "ti,emif-4d"; @@ -54,3 +62,11 @@ emif1: emif@0x4c000000 { hw-caps-ll-interface; hw-caps-temp-alert; }; + +/* From am33xx.dtsi */ +emif: emif@4c000000 { + compatible = "ti,emif-am3352"; + reg = <0x4C000000 0x1000>; + sram = <&pm_sram_code + &pm_sram_data>; +};
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. Signed-off-by: Dave Gerlach <d-gerlach@ti.com> --- .../devicetree/bindings/memory-controllers/ti/emif.txt | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)