diff options
| author | Sowjanya Komatineni <skomatineni@nvidia.com> | 2019-01-10 14:46:02 -0800 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-02-07 19:03:57 +0100 |
| commit | 4e0f122991943bcaf88149dbe48fb6c3c42f006f (patch) | |
| tree | 66ea4ce09119e8d88a1d7cfaac932d8a6c5cf98c /arch/arm64/boot/dts/nvidia/tegra210.dtsi | |
| parent | 6ab6a4d22030c11df3278e9807d17f2e37c6f7fe (diff) | |
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/tegra210.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/nvidia/tegra210.dtsi | 57 |
1 files changed, 55 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index b5858b5ea052..ef2725f898c2 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -477,6 +477,48 @@ compatible = "nvidia,tegra210-pinmux"; reg = <0x0 0x700008d4 0x0 0x29c>, /* Pad control registers */ <0x0 0x70003000 0x0 0x294>; /* Mux registers */ + sdmmc1_3v3_drv: sdmmc1-3v3-drv { + sdmmc1 { + nvidia,pins = "drive_sdmmc1"; + nvidia,pull-down-strength = <0x8>; + nvidia,pull-up-strength = <0x8>; + }; + }; + sdmmc1_1v8_drv: sdmmc1-1v8-drv { + sdmmc1 { + nvidia,pins = "drive_sdmmc1"; + nvidia,pull-down-strength = <0x4>; + nvidia,pull-up-strength = <0x3>; + }; + }; + sdmmc2_1v8_drv: sdmmc2-1v8-drv { + sdmmc2 { + nvidia,pins = "drive_sdmmc2"; + nvidia,pull-down-strength = <0x10>; + nvidia,pull-up-strength = <0x10>; + }; + }; + sdmmc3_3v3_drv: sdmmc3-3v3-drv { + sdmmc3 { + nvidia,pins = "drive_sdmmc3"; + nvidia,pull-down-strength = <0x8>; + nvidia,pull-up-strength = <0x8>; + }; + }; + sdmmc3_1v8_drv: sdmmc3-1v8-drv { + sdmmc3 { + nvidia,pins = "drive_sdmmc3"; + nvidia,pull-down-strength = <0x4>; + nvidia,pull-up-strength = <0x3>; + }; + }; + sdmmc4_1v8_drv: sdmmc4-1v8-drv { + sdmmc4 { + nvidia,pins = "drive_sdmmc4"; + nvidia,pull-down-strength = <0x10>; + nvidia,pull-up-strength = <0x10>; + }; + }; }; /* @@ -1051,9 +1093,12 @@ clock-names = "sdhci"; resets = <&tegra_car 14>; reset-names = "sdhci"; - pinctrl-names = "sdmmc-3v3", "sdmmc-1v8"; + pinctrl-names = "sdmmc-3v3", "sdmmc-1v8", + "sdmmc-3v3-drv", "sdmmc-1v8-drv"; pinctrl-0 = <&sdmmc1_3v3>; pinctrl-1 = <&sdmmc1_1v8>; + pinctrl-2 = <&sdmmc1_3v3_drv>; + pinctrl-3 = <&sdmmc1_1v8_drv>; nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>; nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>; nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>; @@ -1076,6 +1121,8 @@ clock-names = "sdhci"; resets = <&tegra_car 9>; reset-names = "sdhci"; + pinctrl-names = "sdmmc-1v8-drv"; + pinctrl-0 = <&sdmmc2_1v8_drv>; nvidia,pad-autocal-pull-up-offset-1v8 = <0x05>; nvidia,pad-autocal-pull-down-offset-1v8 = <0x05>; nvidia,default-tap = <0x8>; @@ -1091,9 +1138,12 @@ clock-names = "sdhci"; resets = <&tegra_car 69>; reset-names = "sdhci"; - pinctrl-names = "sdmmc-3v3", "sdmmc-1v8"; + pinctrl-names = "sdmmc-3v3", "sdmmc-1v8", + "sdmmc-3v3-drv", "sdmmc-1v8-drv"; pinctrl-0 = <&sdmmc3_3v3>; pinctrl-1 = <&sdmmc3_1v8>; + pinctrl-2 = <&sdmmc3_3v3_drv>; + pinctrl-3 = <&sdmmc3_1v8_drv>; nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>; nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>; nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>; @@ -1111,6 +1161,9 @@ clock-names = "sdhci"; resets = <&tegra_car 15>; reset-names = "sdhci"; + pinctrl-names = "sdmmc-3v3-drv", "sdmmc-1v8-drv"; + pinctrl-0 = <&sdmmc4_1v8_drv>; + pinctrl-1 = <&sdmmc4_1v8_drv>; nvidia,pad-autocal-pull-up-offset-1v8 = <0x05>; nvidia,pad-autocal-pull-down-offset-1v8 = <0x05>; nvidia,default-tap = <0x8>; |