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dt-bindings: mmc: tegra: Add tmclk for Tegra210 and later 

commit f7f86e8ac0 upstream.

commit b5a84ecf02 ("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: b5a84ecf02 ("mmc: tegra: Add Tegra210 support")
Cc: stable <stable@vger.kernel.org> # 5.4
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Link: https://lore.kernel.org/r/1598548861-32373-4-git-send-email-skomatineni@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Sowjanya Komatineni 2020-08-27 10:20:57 -07:00 committed by Greg Kroah-Hartman
parent d2ac42e61e
commit 9d806d68bf
1 changed files with 29 additions and 3 deletions
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32
Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
View File

@ -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";
};