diff options
| author | Prathamesh Shete <[email protected]> | 2021-11-16 17:32:36 +0530 |
|---|---|---|
| committer | Thierry Reding <[email protected]> | 2021-12-16 16:51:01 +0100 |
| commit | ff21087e6131e7d81c17d5b34bd786866ca90553 (patch) | |
| tree | 1849c5edfb6496120e396694797981b2cfbdbb01 | |
| parent | 533337d5c843650043771503221774f3dffbead0 (diff) | |
arm64: tegra: Add support to enumerate SD in UHS mode
Add support to enumerate SD in UHS mode on Tegra194. Add required
device-tree properties in SDMMC1 and SDMMC3 instances to enable dynamic
pad voltage switching and enumerate SD card in UHS-I modes.
Signed-off-by: Prathamesh Shete <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
| -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 8d29b7fdb044..3b424496384e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -3,6 +3,7 @@ #include <dt-bindings/gpio/tegra194-gpio.h> #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/mailbox/tegra186-hsp.h> +#include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h> #include <dt-bindings/pinctrl/pinctrl-tegra.h> #include <dt-bindings/power/tegra194-powergate.h> #include <dt-bindings/reset/tegra194-reset.h> @@ -893,6 +894,9 @@ <&mc TEGRA194_MEMORY_CLIENT_SDMMCWA &emc>; interconnect-names = "dma-mem", "write"; iommus = <&smmu TEGRA194_SID_SDMMC1>; + pinctrl-names = "sdmmc-3v3", "sdmmc-1v8"; + pinctrl-0 = <&sdmmc1_3v3>; + pinctrl-1 = <&sdmmc1_1v8>; nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x07>; nvidia,pad-autocal-pull-down-offset-3v3-timeout = @@ -904,6 +908,10 @@ nvidia,pad-autocal-pull-down-offset-sdr104 = <0x00>; nvidia,default-tap = <0x9>; nvidia,default-trim = <0x5>; + sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-ddr50; + sd-uhs-sdr104; status = "disabled"; }; @@ -920,6 +928,9 @@ <&mc TEGRA194_MEMORY_CLIENT_SDMMCW &emc>; interconnect-names = "dma-mem", "write"; iommus = <&smmu TEGRA194_SID_SDMMC3>; + pinctrl-names = "sdmmc-3v3", "sdmmc-1v8"; + pinctrl-0 = <&sdmmc3_3v3>; + pinctrl-1 = <&sdmmc3_1v8>; 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>; @@ -932,6 +943,10 @@ nvidia,pad-autocal-pull-down-offset-sdr104 = <0x00>; nvidia,default-tap = <0x9>; nvidia,default-trim = <0x5>; + sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-ddr50; + sd-uhs-sdr104; status = "disabled"; }; @@ -1472,6 +1487,25 @@ #interrupt-cells = <2>; interrupt-controller; + sdmmc1_3v3: sdmmc1-3v3 { + pins = "sdmmc1-hv"; + power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>; + }; + + sdmmc1_1v8: sdmmc1-1v8 { + pins = "sdmmc1-hv"; + power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>; + }; + sdmmc3_3v3: sdmmc3-3v3 { + pins = "sdmmc3-hv"; + power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>; + }; + + sdmmc3_1v8: sdmmc3-1v8 { + pins = "sdmmc3-hv"; + power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>; + }; + }; smmu: iommu@12000000 { |