From: Lokesh Vutla Date: Mon, 7 Aug 2017 13:33:34 +0000 (-0700) Subject: dt-bindings: ti,edma: Add 66AK2G specific information X-Git-Tag: MMI-PSA29.97-13-9~4755^2~23^2~9 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=470bbff038568ba0ac7e2082bea122851130f87d;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git dt-bindings: ti,edma: Add 66AK2G specific information Update ti,edma binding documentation to reflect 66AK2G specific properties. Signed-off-by: Lokesh Vutla Signed-off-by: Santosh Shilimkar --- diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt index 18090e7226b4..1e6c206201f5 100644 --- a/Documentation/devicetree/bindings/dma/ti-edma.txt +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt @@ -9,7 +9,12 @@ execute the actual DMA tansfer. eDMA3 Channel Controller Required properties: -- compatible: "ti,edma3-tpcc" for the channel controller(s) +-------------------- +- compatible: Should be: + - "ti,edma3-tpcc" for the channel controller(s) on OMAP, + AM33xx and AM43xx SoCs. + - "ti,k2g-edma3-tpcc", "ti,edma3-tpcc" for the + channel controller(s) on 66AK2G. - #dma-cells: Should be set to <2>. The first number is the DMA request number and the second is the TC the channel is serviced on. - reg: Memory map of eDMA CC @@ -19,8 +24,19 @@ Required properties: - ti,tptcs: List of TPTCs associated with the eDMA in the following form: <&tptc_phandle TC_priority_number>. The highest priority is 0. +SoC-specific Required properties: +-------------------------------- +The following are mandatory properties for OMAP, AM33xx and AM43xx SoCs only: +- ti,hwmods: Name of the hwmods associated to the eDMA CC. + +The following are mandatory properties for 66AK2G SoCs only: +- power-domains:Should contain a phandle to a PM domain provider node + and an args specifier containing the device id + value. This property is as per the binding, + Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt + Optional properties: -- ti,hwmods: Name of the hwmods associated to the eDMA CC +------------------- - ti,edma-memcpy-channels: List of channels allocated to be used for memcpy, iow these channels will be SW triggered channels. See example. - ti,edma-reserved-slot-ranges: PaRAM slot ranges which should not be used by @@ -31,17 +47,34 @@ Optional properties: eDMA3 Transfer Controller Required properties: -- compatible: "ti,edma3-tptc" for the transfer controller(s) +-------------------- +- compatible: Should be: + - "ti,edma3-tptc" for the transfer controller(s) on OMAP, + AM33xx and AM43xx SoCs. + - "ti,k2g-edma3-tptc", "ti,edma3-tptc" for the + transfer controller(s) on 66AK2G. - reg: Memory map of eDMA TC - interrupts: Interrupt number for TCerrint. +SoC-specific Required properties: +-------------------------------- +The following are mandatory properties for OMAP, AM33xx and AM43xx SoCs only: +- ti,hwmods: Name of the hwmods associated to the eDMA TC. + +The following are mandatory properties for 66AK2G SoCs only: +- power-domains:Should contain a phandle to a PM domain provider node + and an args specifier containing the device id + value. This property is as per the binding, + Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt + Optional properties: -- ti,hwmods: Name of the hwmods associated to the given eDMA TC +------------------- - interrupt-names: "edma3_tcerrint" ------------------------------------------------------------------------------ -Example: +Examples: +1. edma: edma@49000000 { compatible = "ti,edma3-tpcc"; ti,hwmods = "tpcc"; @@ -109,6 +142,58 @@ mcasp0: mcasp@48038000 { dma-names = "tx", "rx"; }; +2. +edma1: edma@02728000 { + compatible = "ti,k2g-edma3-tpcc", "ti,edma3-tpcc"; + reg = <0x02728000 0x8000>; + reg-names = "edma3_cc"; + interrupts = , + , + ; + interrupt-names = "edma3_ccint", "emda3_mperr", + "edma3_ccerrint"; + dma-requests = <64>; + #dma-cells = <2>; + + ti,tptcs = <&edma1_tptc0 7>, <&edma1_tptc1 0>; + + /* + * memcpy is disabled, can be enabled with: + * ti,edma-memcpy-channels = <12 13 14 15>; + * for example. + */ + + power-domains = <&k2g_pds 0x4f>; +}; + +edma1_tptc0: tptc@027b0000 { + compatible = "ti,k2g-edma3-tptc", "ti,edma3-tptc"; + reg = <0x027b0000 0x400>; + power-domains = <&k2g_pds 0x4f>; +}; + +edma1_tptc1: tptc@027b8000 { + compatible = "ti, k2g-edma3-tptc", "ti,edma3-tptc"; + reg = <0x027b8000 0x400>; + power-domains = <&k2g_pds 0x4f>; +}; + +mmc0: mmc@23000000 { + compatible = "ti,k2g-hsmmc", "ti,omap4-hsmmc"; + reg = <0x23000000 0x400>; + interrupts = ; + dmas = <&edma1 24 0>, <&edma1 25 0>; + dma-names = "tx", "rx"; + bus-width = <4>; + ti,needs-special-reset; + no-1-8-v; + max-frequency = <96000000>; + power-domains = <&k2g_pds 0xb>; + clocks = <&k2g_clks 0xb 1>, <&k2g_clks 0xb 2>; + clock-names = "fck", "mmchsdb_fck"; + status = "disabled"; +}; + ------------------------------------------------------------------------------ DEPRECATED binding, new DTS files must use the ti,edma3-tpcc/ti,edma3-tptc binding.