diff options
| author | Faiz Abbas <faiz_abbas@ti.com> | 2020-11-29 20:52:23 +0300 |
|---|---|---|
| committer | Nishanth Menon <nm@ti.com> | 2020-11-30 16:12:54 +0300 |
| commit | cd48ce86a4d0c1ffec86aa46a26da993c9af5f53 (patch) | |
| tree | 7611023f9e2ba88209261d628846300bf6ec7642 | |
| parent | 09ff4e90e041485f7562d9baec340a9824af4f45 (diff) | |
| download | linux-cd48ce86a4d0c1ffec86aa46a26da993c9af5f53.tar.xz | |
arm64: dts: ti: k3-j721e-common-proc-board: Add support for SD card UHS modes
Add support for UHS modes for the SD card connected at sdhci1. This
involves adding regulators for voltage switching and power cycling the
SD card and removing the no-1-8-v property.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20201129175223.21751-3-nsekhar@ti.com
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts | 33 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 2 |
2 files changed, 33 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts index 5754892f8501..60764366e22b 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts @@ -67,6 +67,31 @@ regulator-boot-on; }; + vdd_mmc1: fixedregulator-sd { + compatible = "regulator-fixed"; + regulator-name = "vdd_mmc1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + vin-supply = <&vsys_3v3>; + gpio = <&exp2 2 GPIO_ACTIVE_HIGH>; + }; + + vdd_sd_dv_alt: gpio-regulator-TLV71033 { + compatible = "regulator-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&vdd_sd_dv_alt_pins_default>; + regulator-name = "tlv71033"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + vin-supply = <&vsys_5v0>; + gpios = <&main_gpio0 117 GPIO_ACTIVE_HIGH>; + states = <1800000 0x0>, + <3300000 0x1>; + }; + sound0: sound@0 { compatible = "ti,j721e-cpb-audio"; model = "j721e-cpb"; @@ -106,6 +131,12 @@ >; }; + vdd_sd_dv_alt_pins_default: vdd-sd-dv-alt-pins-default { + pinctrl-single,pins = < + J721E_IOPAD(0x1d8, PIN_INPUT, 7) /* (W4) SPI1_CS1.GPIO0_117 */ + >; + }; + main_usbss0_pins_default: main-usbss0-pins-default { pinctrl-single,pins = < J721E_IOPAD(0x290, PIN_OUTPUT, 0) /* (U6) USB0_DRVVBUS */ @@ -295,6 +326,8 @@ &main_sdhci1 { /* SD/MMC */ + vmmc-supply = <&vdd_mmc1>; + vqmmc-supply = <&vdd_sd_dv_alt>; pinctrl-names = "default"; pinctrl-0 = <&main_mmc1_pins_default>; ti,driver-strength-ohm = <50>; diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi index 556bc317b866..b32df591c766 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi @@ -1108,7 +1108,6 @@ ti,trm-icp = <0x8>; ti,clkbuf-sel = <0x7>; dma-coherent; - no-1-8-v; }; main_sdhci2: sdhci@4f98000 { @@ -1129,7 +1128,6 @@ ti,trm-icp = <0x8>; ti,clkbuf-sel = <0x7>; dma-coherent; - no-1-8-v; }; usbss0: cdns-usb@4104000 { |