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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 15/08/2022 18:37, Conor Dooley - M52691 wrote: > On 15/08/2022 06:08, Samuel Holland wrote: >> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe >> >> "D1 Nezha" is Allwinner's first-party development board for the D1 SoC. >> It was shipped with 512M, 1G, or 2G of DDR3. It supports onboard audio, >> HDMI, gigabit Ethernet, WiFi and Bluetooth, USB 2.0 host and OTG ports, >> plus low-speed I/O from the SoC and a GPIO expander chip. >> >> Most other D1 boards copied the Nezha's power tree, with the 1.8V rail >> powered by the SoCs internal LDOA, analog domains powered by ALDO, and >> the rest of the board powered by always-on fixed regulators. Some (but >> not all) boards also copied the PWM CPU regulator. To avoid duplication, >> factor out the out the regulator references that are common across all >> known boards. >> >> Signed-off-by: Samuel Holland > > Hey Samuel, > Replying here as it's the board I happen to have but I saw some kernel > panics. Some of this has reproduced for Ron/drmpeg on an unmatched: > https://www.w6rz.net/segfault.png > but some of this is different: > https://gist.github.com/ConchuOD/7d87f574df1ddc56f192e505ecab6574 > > defconfig is default riscv defconfig - the DRM modules + my cmdline: > CONFIG_CMDLINE="earlyprintk=sunxi-uart,0x02500000 earlycon console=ttyS0,115200" I seem to be making a hames of things today. Started it with the email to the wrong patchset this morning and now here I am 12h later and I am messing up my stuff here too :/ I think I confused myself with the configs & logs. This one here was the default defconfig + CONFIG_CMDLINE [0]: https://gist.github.com/ConchuOD/7d87f574df1ddc56f192e505ecab6574#file-log-txt-no-drm This one was from the d1-wip branch that I had been using prior to the patchset with CONFIG_CMDLINE [0]: https://gist.github.com/ConchuOD/7d87f574df1ddc56f192e505ecab6574#file-log-txt-with-drm And with a defconfig from Heiko I get hangs where output dies using CONFIG_CMDLINE [1]: https://paste.debian.net/1250519/ https://gist.github.com/ConchuOD/7d87f574df1ddc56f192e505ecab6574#file-heiko-config For all of the above I have used: 0 - CONFIG_CMDLINE="root=/dev/nfs ip=dhcp nfsroot=192.168.2.5:/stuff/nfs_share earlyprintk=sunxi-uart,0x02500000 earlycon console=ttyS0,115200" 1 - CONFIG_CMDLINE="earlyprintk=sunxi-uart,0x02500000 earlycon console=ttyS0,115200" If I don't use [1], I don't get any output on the uart my u-boot uses. Heiko reminded me that the D1 needs the memory nodes from the dts etc, so it's actually using the u-boot dts. Did you make breaking changes between what worked with the d1-wip branch and this submission? I'll update what my u-boot has, but in the meantime hopefully this makes things a little clearer. Sorry for all the noise etc, I seem to be all over the shop today. Conor. > > lmk if you want anymore info :) > Conor. > >> --- >> >> arch/riscv/boot/dts/allwinner/Makefile | 1 + >> .../sun20i-d1-common-regulators.dtsi | 51 ++++++ >> .../boot/dts/allwinner/sun20i-d1-nezha.dts | 171 ++++++++++++++++++ >> 3 files changed, 223 insertions(+) >> create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-common-regulators.dtsi >> create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts >> >> diff --git a/arch/riscv/boot/dts/allwinner/Makefile b/arch/riscv/boot/dts/allwinner/Makefile >> index f66554cd5c45..b0a15e8c8d82 100644 >> --- a/arch/riscv/boot/dts/allwinner/Makefile >> +++ b/arch/riscv/boot/dts/allwinner/Makefile >> @@ -1 +1,2 @@ >> # SPDX-License-Identifier: GPL-2.0 >> +dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1-nezha.dtb >> diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1-common-regulators.dtsi b/arch/riscv/boot/dts/allwinner/sun20i-d1-common-regulators.dtsi >> new file mode 100644 >> index 000000000000..143a3e710c3c >> --- /dev/null >> +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-common-regulators.dtsi >> @@ -0,0 +1,51 @@ >> +// SPDX-License-Identifier: (GPL-2.0+ or MIT) >> +// Copyright (C) 2021-2022 Samuel Holland >> + >> +/ { >> + reg_vcc: vcc { >> + compatible = "regulator-fixed"; >> + regulator-name = "vcc"; >> + regulator-min-microvolt = <5000000>; >> + regulator-max-microvolt = <5000000>; >> + }; >> + >> + reg_vcc_3v3: vcc-3v3 { >> + compatible = "regulator-fixed"; >> + regulator-name = "vcc-3v3"; >> + regulator-min-microvolt = <3300000>; >> + regulator-max-microvolt = <3300000>; >> + vin-supply = <®_vcc>; >> + }; >> +}; >> + >> +&lradc { >> + vref-supply = <®_aldo>; >> +}; >> + >> +&pio { >> + vcc-pb-supply = <®_vcc_3v3>; >> + vcc-pc-supply = <®_vcc_3v3>; >> + vcc-pd-supply = <®_vcc_3v3>; >> + vcc-pe-supply = <®_vcc_3v3>; >> + vcc-pf-supply = <®_vcc_3v3>; >> + vcc-pg-supply = <®_vcc_3v3>; >> +}; >> + >> +®_aldo { >> + regulator-min-microvolt = <1800000>; >> + regulator-max-microvolt = <1800000>; >> + vdd33-supply = <®_vcc_3v3>; >> +}; >> + >> +®_hpldo { >> + regulator-min-microvolt = <1800000>; >> + regulator-max-microvolt = <1800000>; >> + hpldoin-supply = <®_vcc_3v3>; >> +}; >> + >> +®_ldoa { >> + regulator-always-on; >> + regulator-min-microvolt = <1800000>; >> + regulator-max-microvolt = <1800000>; >> + ldo-in-supply = <®_vcc_3v3>; >> +}; >> diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts >> new file mode 100644 >> index 000000000000..df865ee15fcf >> --- /dev/null >> +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts >> @@ -0,0 +1,171 @@ >> +// SPDX-License-Identifier: (GPL-2.0+ or MIT) >> +// Copyright (C) 2021-2022 Samuel Holland >> + >> +/dts-v1/; >> + >> +#include >> +#include >> + >> +#include "sun20i-d1.dtsi" >> +#include "sun20i-d1-common-regulators.dtsi" >> + >> +/ { >> + model = "Allwinner D1 Nezha"; >> + compatible = "allwinner,d1-nezha", "allwinner,sun20i-d1"; >> + >> + aliases { >> + ethernet0 = &emac; >> + ethernet1 = &xr829; >> + mmc0 = &mmc0; >> + serial0 = &uart0; >> + }; >> + >> + chosen { >> + stdout-path = "serial0:115200n8"; >> + }; >> + >> + reg_usbvbus: usbvbus { >> + compatible = "regulator-fixed"; >> + regulator-name = "usbvbus"; >> + regulator-min-microvolt = <5000000>; >> + regulator-max-microvolt = <5000000>; >> + gpio = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */ >> + enable-active-high; >> + vin-supply = <®_vcc>; >> + }; >> + >> + /* >> + * This regulator is PWM-controlled, but the PWM controller is not >> + * yet supported, so fix the regulator to its default voltage. >> + */ >> + reg_vdd_cpu: vdd-cpu { >> + compatible = "regulator-fixed"; >> + regulator-name = "vdd-cpu"; >> + regulator-min-microvolt = <1100000>; >> + regulator-max-microvolt = <1100000>; >> + vin-supply = <®_vcc>; >> + }; >> + >> + wifi_pwrseq: wifi-pwrseq { >> + compatible = "mmc-pwrseq-simple"; >> + reset-gpios = <&pio 6 12 GPIO_ACTIVE_LOW>; /* PG12 */ >> + }; >> +}; >> + >> +&cpu0 { >> + cpu-supply = <®_vdd_cpu>; >> +}; >> + >> +&ehci0 { >> + status = "okay"; >> +}; >> + >> +&ehci1 { >> + status = "okay"; >> +}; >> + >> +&emac { >> + pinctrl-0 = <&rgmii_pe_pins>; >> + pinctrl-names = "default"; >> + phy-handle = <&ext_rgmii_phy>; >> + phy-mode = "rgmii-id"; >> + phy-supply = <®_vcc_3v3>; >> + status = "okay"; >> +}; >> + >> +&i2c2 { >> + pinctrl-0 = <&i2c2_pb0_pins>; >> + pinctrl-names = "default"; >> + status = "okay"; >> + >> + pcf8574a: gpio@38 { >> + compatible = "nxp,pcf8574a"; >> + reg = <0x38>; >> + interrupt-parent = <&pio>; >> + interrupts = <1 2 IRQ_TYPE_LEVEL_LOW>; /* PB2 */ >> + interrupt-controller; >> + gpio-controller; >> + #gpio-cells = <2>; >> + #interrupt-cells = <2>; >> + }; >> +}; >> + >> +&lradc { >> + status = "okay"; >> + >> + button-160 { >> + label = "OK"; >> + linux,code = ; >> + channel = <0>; >> + voltage = <160000>; >> + }; >> +}; >> + >> +&mdio { >> + ext_rgmii_phy: ethernet-phy@1 { >> + compatible = "ethernet-phy-ieee802.3-c22"; >> + reg = <1>; >> + }; >> +}; >> + >> +&mmc0 { >> + bus-width = <4>; >> + cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */ >> + disable-wp; >> + vmmc-supply = <®_vcc_3v3>; >> + vqmmc-supply = <®_vcc_3v3>; >> + pinctrl-0 = <&mmc0_pins>; >> + pinctrl-names = "default"; >> + status = "okay"; >> +}; >> + >> +&mmc1 { >> + bus-width = <4>; >> + mmc-pwrseq = <&wifi_pwrseq>; >> + non-removable; >> + vmmc-supply = <®_vcc_3v3>; >> + vqmmc-supply = <®_vcc_3v3>; >> + pinctrl-0 = <&mmc1_pins>; >> + pinctrl-names = "default"; >> + status = "okay"; >> + >> + xr829: wifi@1 { >> + reg = <1>; >> + }; >> +}; >> + >> +&ohci0 { >> + status = "okay"; >> +}; >> + >> +&ohci1 { >> + status = "okay"; >> +}; >> + >> +&uart0 { >> + pinctrl-0 = <&uart0_pb8_pins>; >> + pinctrl-names = "default"; >> + status = "okay"; >> +}; >> + >> +&uart1 { >> + uart-has-rtscts; >> + pinctrl-0 = <&uart1_pg6_pins>, <&uart1_pg8_rts_cts_pins>; >> + pinctrl-names = "default"; >> + status = "okay"; >> + >> + /* XR829 bluetooth is connected here */ >> +}; >> + >> +&usb_otg { >> + dr_mode = "otg"; >> + status = "okay"; >> +}; >> + >> +&usbphy { >> + usb0_id_det-gpios = <&pio 3 21 GPIO_ACTIVE_HIGH>; /* PD21 */ >> + usb0_vbus_det-gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */ >> + usb0_vbus-supply = <®_usbvbus>; >> + usb1_vbus-supply = <®_vcc>; >> + status = "okay"; >> +}; >> -- >> 2.35.1 >> > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv