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Date: Fri, 11 Jul 2014 17:18:30 +0300 From: Mikko Perttunen <mperttunen@...dia.com> To: <pdeschrijver@...dia.com>, <pgaikwad@...dia.com>, <mturquette@...aro.org>, <swarren@...dotorg.org>, <thierry.reding@...il.com> CC: <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-tegra@...r.kernel.org>, Mikko Perttunen <mperttunen@...dia.com> Subject: [PATCH 5/8] of: Add Tegra124 EMC bindings Add binding documentation for the nvidia,tegra124-emc device tree node. Signed-off-by: Mikko Perttunen <mperttunen@...dia.com> --- .../bindings/memory-controllers/tegra-emc.txt | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/tegra-emc.txt diff --git a/Documentation/devicetree/bindings/memory-controllers/tegra-emc.txt b/Documentation/devicetree/bindings/memory-controllers/tegra-emc.txt new file mode 100644 index 0000000..2dde17e --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/tegra-emc.txt @@ -0,0 +1,42 @@ +Tegra124 SoC EMC controller + +Required properties : +- compatible : "nvidia,tegra124-emc". +- reg : Should contain 1 or 2 entries: + - EMC register set + - MC register set : Required only if no node with + 'compatible = "nvidia,tegra124-mc"' exists. The MC register set + is first read from the MC node. If it doesn't exist, it is read + from this property. +- timings : Should contain 1 entry for each supported clock rate. + Entries should be named "timing@n" where n is a 0-based increasing + number. The timings must be listed in rate-ascending order. + +Required properties for timings : +- clock-frequency : Should contain the memory clock rate. +- nvidia,parent-clock-frequency : Should contain the rate of the EMC + clock's parent clock. +- clocks : Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names : Must include the following entries: + - emc-parent : EMC's parent clock. +- The following properties contain EMC timing characterization values: + - nvidia,emc-zcal-cnt-long + - nvidia,emc-auto-cal-interval + - nvidia,emc-ctt-term-ctrl + - nvidia,emc-cfg + - nvidia,emc-cfg-2 + - nvidia,emc-sel-dpd-ctrl + - nvidia,emc-cfg-dig-dll + - nvidia,emc-bgbias-ctl0 + - nvidia,emc-auto-cal-config + - nvidia,emc-auto-cal-config2 + - nvidia,emc-auto-cal-config3 + - nvidia,emc-mode-reset + - nvidia,emc-mode-1 + - nvidia,emc-mode-2 + - nvidia,emc-mode-4 +- nvidia,emc-burst-data : EMC timing characterization data written to + EMC registers. +- nvidia,mc-burst-data : EMC timing characterization data written to + MC registers. -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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