Messages in this thread | | | Date | Fri, 25 Mar 2022 18:33:28 +0100 | Subject | Re: [PATCH 3/3] arm64: meson: update SDIO in dts for JetHub D1 | From | Neil Armstrong <> |
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Hi,
On 25/03/2022 17:55, Vyacheslav Bocharov wrote: > Fix the dts to match board's reference design: > - update vddio_boot regulator to 3.3v (Wi-Fi SDIO module) > - add vccq_1v8 regulator with 1.8v for eMMC SDIO > > In the first revision of JetHub D1 the vccq_1v8 regulator was 3.3v. > All installed eMMC modules were tested to work in HS200 mode at 3.3v > supply voltage. In the next revisions of the board eMMC will be > powered with 1.8v according to the standard. > > Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in> > --- > .../dts/amlogic/meson-axg-jethome-jethub-j100.dts | 15 ++++++++++++--- > 1 file changed, 12 insertions(+), 3 deletions(-) > > diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts > index 66c1eeba8f48..bc00d672a357 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts > +++ b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts > @@ -81,12 +81,22 @@ vddio_ao18: regulator-vddio_ao18 { > vddio_boot: regulator-vddio_boot { > compatible = "regulator-fixed"; > regulator-name = "VDDIO_BOOT"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + vin-supply = <&vddao_3v3>; > + regulator-always-on; > + }; > + > + vccq_1v8: regulator-vccq_1v8 { > + compatible = "regulator-fixed"; > + regulator-name = "VCCQ_1V8"; > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > vin-supply = <&vddao_3v3>; > regulator-always-on; > }; > > + > usb_pwr: regulator-usb_pwr { > compatible = "regulator-fixed"; > regulator-name = "USB_PWR"; > @@ -248,8 +258,7 @@ &sd_emmc_b { > > bus-width = <4>; > cap-sd-highspeed; > - sd-uhs-sdr104; > - max-frequency = <200000000>; > + max-frequency = <50000000>;
This changes should be in a separate commit
> non-removable; > disable-wp; > > @@ -282,7 +291,7 @@ &sd_emmc_c { > mmc-pwrseq = <&emmc_pwrseq>; > > vmmc-supply = <&vcc_3v3>; > - vqmmc-supply = <&vddio_boot>; > + vqmmc-supply = <&vccq_1v8>; > }; > > /* UART Bluetooth */
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