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Commit 9d806d68 authored by Sowjanya Komatineni's avatar Sowjanya Komatineni Committed by Greg Kroah-Hartman
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dt-bindings: mmc: tegra: Add tmclk for Tegra210 and later 



commit f7f86e8ac0ad7cd6792a80137f5a550924966916 upstream.

commit b5a84ecf ("mmc: tegra: Add Tegra210 support")

Tegra210 and later uses separate SDMMC_LEGACY_TM clock for data
timeout.

So, this patch adds "tmclk" to Tegra sdhci clock property in the
device tree binding.

Fixes: b5a84ecf ("mmc: tegra: Add Tegra210 support")
Cc: stable <stable@vger.kernel.org> # 5.4
Reviewed-by: default avatarJon Hunter <jonathanh@nvidia.com>
Signed-off-by: default avatarSowjanya Komatineni <skomatineni@nvidia.com>
Link: https://lore.kernel.org/r/1598548861-32373-4-git-send-email-skomatineni@nvidia.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d2ac42e6

Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt

+29 −3
Original line number Diff line number Diff line
@@ -15,8 +15,15 @@ Required properties: 
  - "nvidia,tegra210-sdhci": for Tegra210

  - "nvidia,tegra186-sdhci": for Tegra186

  - "nvidia,tegra194-sdhci": for Tegra194

- clocks : Must contain one entry, for the module clock.

  See ../clocks/clock-bindings.txt for details.

- clocks: For Tegra210, Tegra186 and Tegra194 must contain two entries.

	  One for the module clock and one for the timeout clock.

	  For all other Tegra devices, must contain a single entry for

	  the module clock. See ../clocks/clock-bindings.txt for details.

- clock-names: For Tegra210, Tegra186 and Tegra194 must contain the

	       strings 'sdhci' and 'tmclk' to represent the module and

	       the timeout clocks, respectively.

	       For all other Tegra devices must contain the string 'sdhci'

	       to represent the module clock.

- resets : Must contain an entry for each entry in reset-names.

  See ../reset/reset.txt for details.

- reset-names : Must include the following entries:
@@ -99,7 +106,7 @@ Optional properties for Tegra210, Tegra186 and Tegra194: 


Example:

sdhci@700b0000 {

	compatible = "nvidia,tegra210-sdhci", "nvidia,tegra124-sdhci";

	compatible = "nvidia,tegra124-sdhci";

	reg = <0x0 0x700b0000 0x0 0x200>;

	interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;

	clocks = <&tegra_car TEGRA210_CLK_SDMMC1>;
@@ -115,3 +122,22 @@ sdhci@700b0000 { 
	nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>;

	status = "disabled";

};



sdhci@700b0000 {

	compatible = "nvidia,tegra210-sdhci";

	reg = <0x0 0x700b0000 0x0 0x200>;

	interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;

	clocks = <&tegra_car TEGRA210_CLK_SDMMC1>,

		 <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>;

	clock-names = "sdhci", "tmclk";

	resets = <&tegra_car 14>;

	reset-names = "sdhci";

	pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";

	pinctrl-0 = <&sdmmc1_3v3>;

	pinctrl-1 = <&sdmmc1_1v8>;

	nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>;

	nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>;

	nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>;

	nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>;

	status = "disabled";

};