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| author | Sowjanya Komatineni <skomatineni@nvidia.com> | 2019-01-11 01:46:02 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-02-07 21:03:57 +0300 |
| commit | 4e0f122991943bcaf88149dbe48fb6c3c42f006f (patch) | |
| tree | 66ea4ce09119e8d88a1d7cfaac932d8a6c5cf98c /arch/arm64/boot/dts/nvidia/tegra194.dtsi | |
| parent | 6ab6a4d22030c11df3278e9807d17f2e37c6f7fe (diff) | |
| download | linux-4e0f122991943bcaf88149dbe48fb6c3c42f006f.tar.xz | |
arm64: tegra: Add SDMMC auto-calibration settings
Add SDMMC initial pad offsets used by auto calibration process.
Add SDMMC fixed drive strengths for Tegra210, Tegra186 and
Tegra194 which are used when calibration timeouts.
Fixed drive strengths are based on Pre SI Analysis of the pads.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch/arm64/boot/dts/nvidia/tegra194.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/nvidia/tegra194.dtsi | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 607b5bde94f0..99eaf9bc3d43 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -303,6 +303,17 @@ clock-names = "sdhci"; resets = <&bpmp TEGRA194_RESET_SDMMC1>; reset-names = "sdhci"; + nvidia,pad-autocal-pull-up-offset-3v3-timeout = + <0x07>; + nvidia,pad-autocal-pull-down-offset-3v3-timeout = + <0x07>; + nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x06>; + nvidia,pad-autocal-pull-down-offset-1v8-timeout = + <0x07>; + nvidia,pad-autocal-pull-up-offset-sdr104 = <0x00>; + nvidia,pad-autocal-pull-down-offset-sdr104 = <0x00>; + nvidia,default-tap = <0x9>; + nvidia,default-trim = <0x5>; status = "disabled"; }; @@ -314,6 +325,18 @@ clock-names = "sdhci"; resets = <&bpmp TEGRA194_RESET_SDMMC3>; reset-names = "sdhci"; + nvidia,pad-autocal-pull-up-offset-1v8 = <0x00>; + nvidia,pad-autocal-pull-down-offset-1v8 = <0x7a>; + nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x07>; + nvidia,pad-autocal-pull-down-offset-3v3-timeout = + <0x07>; + nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x06>; + nvidia,pad-autocal-pull-down-offset-1v8-timeout = + <0x07>; + nvidia,pad-autocal-pull-up-offset-sdr104 = <0x00>; + nvidia,pad-autocal-pull-down-offset-sdr104 = <0x00>; + nvidia,default-tap = <0x9>; + nvidia,default-trim = <0x5>; status = "disabled"; }; @@ -325,6 +348,17 @@ clock-names = "sdhci"; resets = <&bpmp TEGRA194_RESET_SDMMC4>; reset-names = "sdhci"; + nvidia,pad-autocal-pull-up-offset-hs400 = <0x00>; + nvidia,pad-autocal-pull-down-offset-hs400 = <0x00>; + nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x0a>; + nvidia,pad-autocal-pull-down-offset-1v8-timeout = + <0x0a>; + nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x0a>; + nvidia,pad-autocal-pull-down-offset-3v3-timeout = + <0x0a>; + nvidia,default-tap = <0x8>; + nvidia,default-trim = <0x14>; + nvidia,dqs-trim = <40>; status = "disabled"; }; |