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Date: Wed, 14 Dec 2022 14:45:16 -0300
From: Lux Aliaga <they@...t.lgbt>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Kees Cook <keescook@...omium.org>,
Anton Vorontsov <anton@...msg.org>,
Colin Cross <ccross@...roid.com>,
Tony Luck <tony.luck@...el.com>, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] arm64: dts: qcom: sm6125: Initial support for
xiaomi-laurel_sprout
Ok. I think that comment is incorrect. Changing the node name on
extcon_usb breaks the "extcon" property in &usb3_dwc3, even after
changing the reference.
On 14/12/2022 14:26, Lux Aliaga wrote:
> I'm a bit confused at the "Node name: usb-id" comment. Should I change
> "extcon_usb" or "extcon-usb" to usb-id?
>
> On 14/12/2022 06:52, Krzysztof Kozlowski wrote:
>> On 14/12/2022 10:33, Lux Aliaga wrote:
>>> This commit implements support for the Xiaomi Mi A3
>>> (xiaomi-laurel_sprout). Here's a summary on what's working.
>>>
>>> - dmesg output to bootloader preconfigured display
>>> - USB
>>> - UFS
>>> - SMD RPM regulators
>>>
>>> Signed-off-by: Lux Aliaga <they@...t.lgbt>
>>> ---
>>> arch/arm64/boot/dts/qcom/Makefile | 1 +
>>> .../dts/qcom/sm6125-xiaomi-laurel_sprout.dts | 251
>>> ++++++++++++++++++
>>> 2 files changed, 252 insertions(+)
>>> create mode 100644
>>> arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel_sprout.dts
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/Makefile
>>> b/arch/arm64/boot/dts/qcom/Makefile
>>> index d7669a7cee9f..7b4fbb4cbb84 100644
>>> --- a/arch/arm64/boot/dts/qcom/Makefile
>>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>>> @@ -140,6 +140,7 @@ dtb-$(CONFIG_ARCH_QCOM) +=
>>> sdm845-shift-axolotl.dtb
>>> dtb-$(CONFIG_ARCH_QCOM) += sdm850-lenovo-yoga-c630.dtb
>>> dtb-$(CONFIG_ARCH_QCOM) += sdm850-samsung-w737.dtb
>>> dtb-$(CONFIG_ARCH_QCOM) += sm6125-sony-xperia-seine-pdx201.dtb
>>> +dtb-$(CONFIG_ARCH_QCOM) += sm6125-xiaomi-laurel_sprout.dtb
>>> dtb-$(CONFIG_ARCH_QCOM) += sm6350-sony-xperia-lena-pdx213.dtb
>>> dtb-$(CONFIG_ARCH_QCOM) += sm7225-fairphone-fp4.dtb
>>> dtb-$(CONFIG_ARCH_QCOM) += sm8150-hdk.dtb
>>> diff --git
>>> a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel_sprout.dts
>>> b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel_sprout.dts
>>> new file mode 100644
>>> index 000000000000..edc5f13bae28
>>> --- /dev/null
>>> +++ b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel_sprout.dts
>>> @@ -0,0 +1,251 @@
>>> +// SPDX-License-Identifier: BSD-3-Clause
>>> +/*
>>> + * Copyright (c) 2022, Lux Aliaga <they@...t.lgbt>
>>> + */
>>> +
>>> +/dts-v1/;
>>> +
>>> +#include "sm6125.dtsi"
>>> +#include <dt-bindings/gpio/gpio.h>
>>> +#include <dt-bindings/input/input.h>
>>> +#include <dt-bindings/input/gpio-keys.h>
>>> +
>>> +/ {
>>> + /* required for bootloader to select correct board */
>>> + qcom,msm-id = <0x18a 0x00>; /* sm6125 v1 */
>>> + qcom,board-id = <0x0b 0x00>;
>>> +
>>> + model = "Xiaomi Mi A3";
>>> + compatible = "xiaomi,laurel_sprout", "qcom,sm6125";
>>> + chassis-type = "handset";
>>> +
>>> + chosen {
>>> + #address-cells = <2>;
>>> + #size-cells = <2>;
>>> + ranges;
>>> +
>>> + framebuffer0: framebuffer@...00000 {
>>> + compatible = "simple-framebuffer";
>>> + reg = <0 0x5c000000 0 (1560 * 720 * 4)>;
>>> + width = <720>;
>>> + height = <1560>;
>>> + stride = <(720 * 4)>;
>>> + format = "a8r8g8b8";
>>> + };
>>> + };
>>> +
>>> + extcon_usb: extcon-usb {
>> Node name: usb-id
>>
>>> + compatible = "linux,extcon-usb-gpio";
>>> + id-gpio = <&tlmm 102 GPIO_ACTIVE_HIGH>;
>>> + };
>>> +
>>> + reserved_memory {
>> No underscores in node names. Use same node name as other boards, don't
>> invent own stuff.
>>
>>> + #address-cells = <2>;
>>> + #size-cells = <2>;
>>> + debug_mem: memory@...00000 {
>>> + reg = <0x0 0xffb00000 0x0 0xc0000>;
>>> + no-map;
>>> + };
>>> +
>>> + last_log_mem: memory@...c0000 {
>>> + reg = <0x0 0xffbc0000 0x0 0x80000>;
>>> + no-map;
>>> + };
>>> +
>>> + pstore_mem: ramoops@...00000 {
>>> + compatible = "ramoops";
>>> + reg = <0x0 0xffc40000 0x0 0xc0000>;
>>> + record-size = <0x1000>;
>>> + console-size = <0x40000>;
>>> + msg-size = <0x20000 0x20000>;
>>> + };
>>> +
>>> + cmdline_mem: memory@...00000 {
>>> + reg = <0x0 0xffd40000 0x0 0x1000>;
>>> + no-map;
>>> + };
>>> + };
>>> +};
>>> +
>>> +&rpm_requests {
>>> + regulators-0 {
>>> + compatible = "qcom,rpm-pm6125-regulators";
>>> +
>>> + vreg_s6a: s6 {
>>> + regulator-min-microvolt = <936000>;
>>> + regulator-max-microvolt = <1422000>;
>>> + };
>>> +
>>> + vreg_l1a: l1 {
>>> + regulator-min-microvolt = <1200000>;
>>> + regulator-max-microvolt = <1256000>;
>>> + };
>>> +
>>> + vreg_l2a: l2 {
>>> + regulator-min-microvolt = <1000000>;
>>> + regulator-max-microvolt = <1056000>;
>>> + };
>>> +
>>> + vreg_l3a: l3 {
>>> + regulator-min-microvolt = <1000000>;
>>> + regulator-max-microvolt = <1064000>;
>>> + };
>>> +
>>> + vreg_l4a: l4 {
>>> + regulator-min-microvolt = <872000>;
>>> + regulator-max-microvolt = <976000>;
>>> + };
>>> +
>>> + vreg_l5a: l5 {
>>> + regulator-min-microvolt = <1648000>;
>>> + regulator-max-microvolt = <3104000>;
>>> + };
>>> +
>>> + vreg_l6a: l6 {
>>> + regulator-min-microvolt = <576000>;
>>> + regulator-max-microvolt = <656000>;
>>> + };
>>> +
>>> + vreg_l7a: l7 {
>>> + regulator-min-microvolt = <872000>;
>>> + regulator-max-microvolt = <976000>;
>>> + };
>>> +
>>> + vreg_l8a: l8 {
>>> + regulator-min-microvolt = <400000>;
>>> + regulator-max-microvolt = <728000>;
>>> + };
>>> +
>>> + vreg_l9a: l9 {
>>> + regulator-min-microvolt = <1800000>;
>>> + regulator-max-microvolt = <1896000>;
>>> + };
>>> +
>>> + vreg_l10a: l10 {
>>> + regulator-min-microvolt = <1800000>;
>>> + regulator-max-microvolt = <1896000>;
>>> + };
>>> +
>>> + vreg_l11a: l11 {
>>> + regulator-min-microvolt = <1800000>;
>>> + regulator-max-microvolt = <1952000>;
>>> + };
>>> +
>>> + vreg_l12a: l12 {
>>> + regulator-min-microvolt = <1800000>;
>>> + regulator-max-microvolt = <1996000>;
>>> + };
>>> +
>>> + vreg_l13a: l13 {
>>> + regulator-min-microvolt = <1800000>;
>>> + regulator-max-microvolt = <1832000>;
>>> + };
>>> +
>>> + vreg_l14a: l14 {
>>> + regulator-min-microvolt = <1800000>;
>>> + regulator-max-microvolt = <1904000>;
>>> + };
>>> +
>>> + vreg_l15a: l15 {
>>> + regulator-min-microvolt = <3104000>;
>>> + regulator-max-microvolt = <3232000>;
>>> + };
>>> +
>>> + vreg_l16a: l16 {
>>> + regulator-min-microvolt = <1800000>;
>>> + regulator-max-microvolt = <1904000>;
>>> + };
>>> +
>>> + vreg_l17a: l17 {
>>> + regulator-min-microvolt = <1248000>;
>>> + regulator-max-microvolt = <1304000>;
>>> + };
>>> +
>>> + vreg_l18a: l18 {
>>> + regulator-min-microvolt = <1200000>;
>>> + regulator-max-microvolt = <1264000>;
>>> + };
>>> +
>>> + vreg_l19a: l19 {
>>> + regulator-min-microvolt = <1648000>;
>>> + regulator-max-microvolt = <2952000>;
>>> + };
>>> +
>>> + vreg_l20a: l20 {
>>> + regulator-min-microvolt = <1648000>;
>>> + regulator-max-microvolt = <2952000>;
>>> + };
>>> +
>>> + vreg_l21a: l21 {
>>> + regulator-min-microvolt = <2600000>;
>>> + regulator-max-microvolt = <2856000>;
>>> + };
>>> +
>>> + vreg_l22a: l22 {
>>> + regulator-min-microvolt = <2944000>;
>>> + regulator-max-microvolt = <3304000>;
>>> + };
>>> +
>>> + vreg_l23a: l23 {
>>> + regulator-min-microvolt = <3000000>;
>>> + regulator-max-microvolt = <3400000>;
>>> + };
>>> +
>>> + vreg_l24a: l24 {
>>> + regulator-min-microvolt = <2944000>;
>>> + regulator-max-microvolt = <3304000>;
>>> + };
>>> + };
>>> +};
>>> +
>>> +&hsusb_phy1 {
>>> + status = "okay";
>>> +};
>>> +
>>> +
>>> +&sdc2_off_state {
>>> + sd-cd {
>> Does not look like you tested the DTS against bindings. Please run `make
>> dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
>> for instructions).
>>
>> that's missing -pins suffix but most likely it does not match other DTS
>> neither. So probably was based on some old kernel.
>>
>>> + pins = "gpio98";
>>> + bias-disable;
>>> + drive-strength = <2>;
>>> + };
>>> +};
>>> +
>>> +&sdc2_on_state {
>>> + sd-cd {
>> Same problems.
>>
>>> + pins = "gpio98";
>>> + bias-pull-up;
>>> + drive-strength = <2>;
>>> + };
>>> +};
>> Best regards,
>> Krzysztof
>>
--
Lux Aliaga
https://nixgoat.me/
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