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dt-bindings: mmc: tegra: Add tmclk for Tegra210 and later
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commit b5a84ec ("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: b5a84ec ("mmc: tegra: Add Tegra210 support")
Cc: stable <[email protected]> # 5.4
Reviewed-by: Jon Hunter <[email protected]>
Signed-off-by: Sowjanya Komatineni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>
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Sowjanya Komatineni authored and storulf committed Aug 28, 2020
1 parent 391d89d commit f7f86e8
Showing 1 changed file with 29 additions and 3 deletions.
32 changes: 29 additions & 3 deletions Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
Original file line number Diff line number Diff line change
Expand Up @@ -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:
Expand Down Expand Up @@ -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>;
Expand All @@ -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";
};

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