Commit 70fd681e authored by Faiz Abbas's avatar Faiz Abbas Committed by Ulf Hansson
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dt-bindings: mmc: sdhci-am654: Update Output tap delay binding 

According to latest AM65x Data Manual[1], a different output tap delay
value is recommended for all speed modes. Therefore, replace the
ti,otap-del-sel binding with one ti,otap-del-sel- for each MMC/SD speed
mode.

[1] http://www.ti.com/lit/gpn/am6526



Signed-off-by: default avatarFaiz Abbas <faiz_abbas@ti.com>
Link: https://lore.kernel.org/r/20200108150920.14547-2-faiz_abbas@ti.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent d1709abb

Documentation/devicetree/bindings/mmc/sdhci-am654.txt

+19 −2
Original line number Diff line number Diff line
@@ -18,7 +18,20 @@ Required Properties: 
	- clocks: Handles to the clock inputs.

	- clock-names: Tuple including "clk_xin" and "clk_ahb"

	- interrupts: Interrupt specifiers

	- ti,otap-del-sel: Output Tap Delay select

	Output tap delay for each speed mode:

	- ti,otap-del-sel-legacy

	- ti,otap-del-sel-mmc-hs

	- ti,otap-del-sel-sd-hs

	- ti,otap-del-sel-sdr12

	- ti,otap-del-sel-sdr25

	- ti,otap-del-sel-sdr50

	- ti,otap-del-sel-sdr104

	- ti,otap-del-sel-ddr50

	- ti,otap-del-sel-ddr52

	- ti,otap-del-sel-hs200

	- ti,otap-del-sel-hs400

	  These bindings must be provided otherwise the driver will disable the

	  corresponding speed mode (i.e. all nodes must provide at least -legacy)



Optional Properties (Required for ti,am654-sdhci-5.1 and ti,j721e-sdhci-8bit):

	- ti,trm-icp: DLL trim select
@@ -38,6 +51,10 @@ Example: 
		interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;

		sdhci-caps-mask = <0x80000007 0x0>;

		mmc-ddr-1_8v;

		ti,otap-del-sel = <0x2>;

		ti,otap-del-sel-legacy = <0x0>;

		ti,otap-del-sel-mmc-hs = <0x0>;

		ti,otap-del-sel-ddr52 = <0x5>;

		ti,otap-del-sel-hs200 = <0x5>;

		ti,otap-del-sel-hs400 = <0x0>;

		ti,trm-icp = <0x8>;

	};