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From:   Sowjanya Komatineni <skomatineni@nvidia.com>
To:     <adrian.hunter@intel.com>, <ulf.hansson@linaro.org>,
        <thierry.reding@gmail.com>, <jonathanh@nvidia.com>,
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CC:     <skomatineni@nvidia.com>, <linux-tegra@vger.kernel.org>,
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Subject: [PATCH v2 4.19 3/7] dt-bindings: mmc: tegra: Add tmclk for Tegra210 and Tegra186
Date:   Tue, 1 Sep 2020 09:24:46 -0700
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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: b5a84ecf025a ("mmc: tegra: Add Tegra210 support")
Cc: stable <stable@vger.kernel.org> # 4.19
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
---
 .../bindings/mmc/nvidia,tegra20-sdhci.txt          | 23 ++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
index 9bce578..a5f1fae 100644
--- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
@@ -14,8 +14,15 @@ Required properties:
   - "nvidia,tegra124-sdhci": for Tegra124 and Tegra132
   - "nvidia,tegra210-sdhci": for Tegra210
   - "nvidia,tegra186-sdhci": for Tegra186
-- clocks : Must contain one entry, for the module clock.
-  See ../clocks/clock-bindings.txt for details.
+- clocks: For Tegra210 and Tegra186 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 and Tegra186 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:
@@ -38,3 +45,15 @@ sdhci@c8000200 {
 	power-gpios = <&gpio 155 0>; /* gpio PT3 */
 	bus-width = <8>;
 };
+
+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";
+	status = "disabled";
+};
-- 
2.7.4