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Date: Wed, 14 Sep 2022 13:45:45 +0300
From: Arınç ÜNAL <arinc.unal@...nc9.com>
To: Sergio Paracuellos <sergio.paracuellos@...il.com>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Sean Wang <sean.wang@...iatek.com>,
Landen Chao <Landen.Chao@...iatek.com>,
DENG Qingfang <dqfext@...il.com>, erkin.bozoglu@...ont.com,
netdev <netdev@...r.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>, linux-arm-kernel@...ts.infradead.org,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@...ts.infradead.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
"open list:MIPS" <linux-mips@...r.kernel.org>
Subject: Re: [PATCH 05/10] mips: dts: ralink: mt7621: fix some dtc warnings
Hi Sergio,
On 14.09.2022 12:14, Sergio Paracuellos wrote:
> Hi Arinc,
>
> On Wed, Sep 14, 2022 at 10:55 AM Arınç ÜNAL <arinc.unal@...nc9.com> wrote:
>>
>> Fix the dtc warnings below.
>>
>> /cpus/cpu@0: failed to match any schema with compatible: ['mips,mips1004Kc']
>> /cpus/cpu@1: failed to match any schema with compatible: ['mips,mips1004Kc']
>> uartlite@c00: $nodename:0: 'uartlite@...' does not match '^serial(@.*)?$'
>> From schema: /home/arinc9/Documents/linux/Documentation/devicetree/bindings/serial/8250.yaml
>> uartlite@c00: Unevaluated properties are not allowed ('clock-names' was unexpected)
>> From schema: /home/arinc9/Documents/linux/Documentation/devicetree/bindings/serial/8250.yaml
>> sdhci@...30000: $nodename:0: 'sdhci@...30000' does not match '^mmc(@.*)?$'
>> From schema: /home/arinc9/Documents/linux/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
>> sdhci@...30000: Unevaluated properties are not allowed ('bus-width', 'cap-mmc-highspeed', 'cap-sd-highspeed', 'disable-wp', 'max-frequency', 'vmmc-supply', 'vqmmc-supply' were unexpected)
>> From schema: /home/arinc9/Documents/linux/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
>> xhci@...c0000: $nodename:0: 'xhci@...c0000' does not match '^usb(@.*)?'
>> From schema: /home/arinc9/Documents/linux/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
>> xhci@...c0000: compatible: ['mediatek,mt8173-xhci'] is too short
>> From schema: /home/arinc9/Documents/linux/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
>> switch0@0: $nodename:0: 'switch0@0' does not match '^(ethernet-)?switch(@.*)?$'
>> From schema: /home/arinc9/Documents/linux/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> port@1: status:0: 'off' is not one of ['okay', 'disabled', 'reserved']
>> From schema: /home/arinc9/.local/lib/python3.10/site-packages/dtschema/schemas/dt-core.yaml
>> port@2: status:0: 'off' is not one of ['okay', 'disabled', 'reserved']
>> From schema: /home/arinc9/.local/lib/python3.10/site-packages/dtschema/schemas/dt-core.yaml
>> port@3: status:0: 'off' is not one of ['okay', 'disabled', 'reserved']
>> From schema: /home/arinc9/.local/lib/python3.10/site-packages/dtschema/schemas/dt-core.yaml
>>
>> - Remove "mips,mips1004Kc" compatible string from the cpu nodes. This
>> doesn't exist anywhere.
>> - Change "memc: syscon@...0" to "memc: memory-controller@...0".
>> - Change "uartlite: uartlite@c00" to "serial0: serial@c00" and remove the
>> aliases node.
>> - Remove "clock-names" from the serial0 node. The property doesn't exist on
>> the 8250.yaml schema.
>> - Change "sdhci: sdhci@...30000" to "mmc: mmc@...30000".
>> - Change "xhci: xhci@...c0000" to "usb: usb@...c0000".
>> - Add "mediatek,mtk-xhci" as the second compatible string on the usb node.
>> - Change "switch0: switch0@0" to "switch0: switch@0"
>> - Change "off" to "disabled" for disabled nodes.
>>
>> Remaining warnings are caused by the lack of json-schema documentation.
>>
>> /cpuintc: failed to match any schema with compatible: ['mti,cpu-interrupt-controller']
>> /palmbus@...00000/wdt@100: failed to match any schema with compatible: ['mediatek,mt7621-wdt']
>> /palmbus@...00000/i2c@900: failed to match any schema with compatible: ['mediatek,mt7621-i2c']
>> /palmbus@...00000/spi@b00: failed to match any schema with compatible: ['ralink,mt7621-spi']
>> /ethernet@...00000: failed to match any schema with compatible: ['mediatek,mt7621-eth']
>>
>> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
>> ---
>> .../boot/dts/ralink/mt7621-gnubee-gb-pc1.dts | 2 +-
>> .../boot/dts/ralink/mt7621-gnubee-gb-pc2.dts | 2 +-
>> arch/mips/boot/dts/ralink/mt7621.dtsi | 32 +++++++------------
>> 3 files changed, 14 insertions(+), 22 deletions(-)
>>
>> diff --git a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts
>> index 24eebc5a85b1..6ecb8165efe8 100644
>> --- a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts
>> +++ b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts
>> @@ -53,7 +53,7 @@ system {
>> };
>> };
>>
>> -&sdhci {
>> +&mmc {
>> status = "okay";
>> };
>>
>> diff --git a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts
>> index 34006e667780..2e534ea5bab7 100644
>> --- a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts
>> +++ b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts
>> @@ -37,7 +37,7 @@ key-reset {
>> };
>> };
>>
>> -&sdhci {
>> +&mmc {
>> status = "okay";
>> };
>>
>> diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi
>> index ee46ace0bcc1..9302bdc04510 100644
>> --- a/arch/mips/boot/dts/ralink/mt7621.dtsi
>> +++ b/arch/mips/boot/dts/ralink/mt7621.dtsi
>> @@ -15,13 +15,11 @@ cpus {
>>
>> cpu@0 {
>> device_type = "cpu";
>> - compatible = "mips,mips1004Kc";
>> reg = <0>;
>> };
>>
>> cpu@1 {
>> device_type = "cpu";
>> - compatible = "mips,mips1004Kc";
>> reg = <1>;
>> };
>> };
>
> Instead of removing this, since compatible is correct here, I think a
> cpus yaml file needs to be added to properly define mips CPU's but
> compatible strings using all around the sources are a bit messy. Take
> a look of how is this done for arm [0]
I did investigate the arm bindings beforehand. I've seen that some of
the strings are also checked by code. I don't see the mips strings used
anywhere but DTs so I had decided to remove it here. I guess we can make
a basic binding to list the mips processor cores.
What do you think Thomas?
>
>> @@ -33,11 +31,6 @@ cpuintc: cpuintc {
>> compatible = "mti,cpu-interrupt-controller";
>> };
>>
>> - aliases {
>> - serial0 = &uartlite;
>> - };
>> -
>> -
>> mmc_fixed_3v3: regulator-3v3 {
>> compatible = "regulator-fixed";
>> regulator-name = "mmc_power";
>> @@ -110,17 +103,16 @@ i2c: i2c@900 {
>> pinctrl-0 = <&i2c_pins>;
>> };
>>
>> - memc: syscon@...0 {
>> + memc: memory-controller@...0 {
>> compatible = "mediatek,mt7621-memc", "syscon";
>> reg = <0x5000 0x1000>;
>> };
>>
>
> I think syscon nodes need to use 'syscon' in the node name, but I am
> not 100% sure.
I've tested this patch series on my GB-PC2, it currently works fine.
Also, DT binding for MT7621 memory controller uses memory-controller on
the example so I guess it's fine?
Arınç
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