summaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
authorSowjanya Komatineni <skomatineni@nvidia.com>2020-08-27 10:20:57 -0700
committerUlf Hansson <ulf.hansson@linaro.org>2020-08-28 10:31:39 +0200
commitf7f86e8ac0ad7cd6792a80137f5a550924966916 (patch)
treedf48793a04f9c56f4378df5c987634b29c2d6274 /Documentation
parent391d89dba8c290859a3e29430d0b9e32c358bb0d (diff)
dt-bindings: mmc: tegra: Add tmclk for Tegra210 and later
commit b5a84ecf025a ("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: b5a84ecf025a ("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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt32
1 files changed, 29 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
index 2cf3affa1be7..96c0b1440c9c 100644
--- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
@@ -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";
+};