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SubjectRe: [PATCH 2/6] dt-bindings: ti,omap-hsmmc: Add 66AK2G mmc controller
On Tue, Aug 01, 2017 at 10:11:15AM +0530, Lokesh Vutla wrote:
> Update the ti,omap-hsmmc.txt to include information about
> 66AK2G specific mmc controller. Also cleanup the entries
> under optional properties to look a bit nicer.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> ---
> .../devicetree/bindings/mmc/ti-omap-hsmmc.txt | 52 +++++++++++++++-------
> 1 file changed, 37 insertions(+), 15 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
> index 0e026c151c1c..016741402e37 100644
> --- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
> +++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
> @@ -1,33 +1,55 @@
> -* TI Highspeed MMC host controller for OMAP
> +* TI Highspeed MMC host controller for OMAP and 66AK2G family.
>
> -The Highspeed MMC Host Controller on TI OMAP family
> +The Highspeed MMC Host Controller on TI OMAP and 66AK2G family
> provides an interface for MMC, SD, and SDIO types of memory cards.
>
> This file documents differences between the core properties described
> by mmc.txt and the properties used by the omap_hsmmc driver.
>
> Required properties:
> +--------------------
> - compatible:
> Should be "ti,omap2-hsmmc", for OMAP2 controllers
> Should be "ti,omap3-hsmmc", for OMAP3 controllers
> Should be "ti,omap3-pre-es3-hsmmc" for OMAP3 controllers pre ES3.0
> Should be "ti,omap4-hsmmc", for OMAP4 controllers
> Should be "ti,am33xx-hsmmc", for AM335x controllers
> -- ti,hwmods: Must be "mmc<n>", n is controller instance starting 1
> + Should be "ti,k2g-hsmmc", "ti,omap4-hsmmc" for 66AK2G controllers.

Same comment here.

> +
> +SoC specific required properties:
> +---------------------------------
> +The following are mandatory properties for OMAPs, AM33xx and AM43xx SoCs only:
> +- ti,hwmods: Must be "mmc<n>", n is controller instance starting 1.
> +
> +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 MMC device id
> + value. This property is as per the binding,
> + Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
> +- clocks: Must contain an entry for each entry in clock-names. Should
> + be defined as per the he appropriate clock bindings consumer
> + usage in Documentation/devicetree/bindings/clock/ti,sci-clk.txt
> +- clock-names: Shall be "fck" for the functional clock,
> + and "mmchsdb_fck" for the debounce clock.
> +
>
> Optional properties:
> -ti,dual-volt: boolean, supports dual voltage cards
> -<supply-name>-supply: phandle to the regulator device tree node
> -"supply-name" examples are "vmmc", "vmmc_aux"(deprecated)/"vqmmc" etc
> -ti,non-removable: non-removable slot (like eMMC)
> -ti,needs-special-reset: Requires a special softreset sequence
> -ti,needs-special-hs-handling: HSMMC IP needs special setting for handling High Speed
> -dmas: List of DMA specifiers with the controller specific format
> -as described in the generic DMA client binding. A tx and rx
> -specifier is required.
> -dma-names: List of DMA request names. These strings correspond
> -1:1 with the DMA specifiers listed in dmas. The string naming is
> -to be "rx" and "tx" for RX and TX DMA requests, respectively.
> +--------------------
> +- ti,dual-volt: boolean, supports dual voltage cards
> +- <supply-name>-supply: phandle to the regulator device tree node
> + "supply-name" examples are "vmmc",
> + "vmmc_aux"(deprecated)/"vqmmc" etc
> +- ti,non-removable: non-removable slot (like eMMC)
> +- ti,needs-special-reset: Requires a special softreset sequence
> +- ti,needs-special-hs-handling: HSMMC IP needs special setting
> + for handling High Speed
> +- dmas: List of DMA specifiers with the controller specific
> + format as described in the generic DMA client
> + binding. A tx and rx specifier is required.
> +- dma-names: List of DMA request names. These strings correspond
> + 1:1 with the DMA specifiers listed in dmas.
> + The string naming is to be "rx" and "tx" for
> + RX and TX DMA requests, respectively.

Is there some change here or just reformatting? Please make reformatting
a separate patch.

Rob

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