From cd48ce86a4d0c1ffec86aa46a26da993c9af5f53 Mon Sep 17 00:00:00 2001 From: Faiz Abbas Date: Sun, 29 Nov 2020 23:22:23 +0530 Subject: [PATCH] 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 Signed-off-by: Sekhar Nori Signed-off-by: Nishanth Menon Link: https://lore.kernel.org/r/20201129175223.21751-3-nsekhar@ti.com --- .../boot/dts/ti/k3-j721e-common-proc-board.dts | 33 ++++++++++++++++++++++ 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 5754892..60764366 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 556bc31..b32df59 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 { -- 2.7.4