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Commit d58a2ea5 authored by Gregory CLEMENT's avatar Gregory CLEMENT Committed by Ulf Hansson
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mmc: sdhci-pxav3: Extend binding with SDIO3 conf reg for the Armada 38x 



The SDHCI unit used on the Armada 38x needs using an extra register to
do specific clock adjustments in order to support the SDR50 and DDR50
modes. This patch extends the binding to allow using this register.

Signed-off-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent a39128bc

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

+11 −4
Original line number Original line Diff line number Diff line
@@ -9,9 +9,13 @@ Required properties: 
- reg:

- reg:

  * for "mrvl,pxav2-mmc" and "mrvl,pxav3-mmc", one register area for

  * for "mrvl,pxav2-mmc" and "mrvl,pxav3-mmc", one register area for

    the SDHCI registers.

    the SDHCI registers.

  * for "marvell,armada-380-sdhci", two register areas. The first one



    for the SDHCI registers themselves, and the second one for the

  * for "marvell,armada-380-sdhci", three register areas. The first

    AXI/Mbus bridge registers of the SDHCI unit.

    one for the SDHCI registers themselves, the second one for the

    AXI/Mbus bridge registers of the SDHCI unit, the third one for the

    SDIO3 Configuration register

- reg names: should be "sdhci", "mbus", "conf-sdio3". only mandatory

  for "marvell,armada-380-sdhci"

- clocks: Array of clocks required for SDHCI; requires at least one for

- clocks: Array of clocks required for SDHCI; requires at least one for

    I/O clock.

    I/O clock.

- clock-names: Array of names corresponding to clocks property; shall be

- clock-names: Array of names corresponding to clocks property; shall be
@@ -35,7 +39,10 @@ sdhci@d4280800 { 




sdhci@d8000 {

sdhci@d8000 {

	compatible = "marvell,armada-380-sdhci";

	compatible = "marvell,armada-380-sdhci";

	reg = <0xd8000 0x1000>, <0xdc000 0x100>;

	reg-names = "sdhci", "mbus", "conf-sdio3";

	reg = <0xd8000 0x1000>,

		<0xdc000 0x100>;

		<0x18454 0x4>;

	interrupts = <0 25 0x4>;

	interrupts = <0 25 0x4>;

	clocks = <&gateclk 17>;

	clocks = <&gateclk 17>;

	clock-names = "io";

	clock-names = "io";