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Message-ID: <8cdadff2-055a-48ab-8495-45c8285d3d8f@linux.ibm.com>
Date: Thu, 14 Dec 2023 12:34:14 -0600
From: Ninad Palsule <ninad@...ux.ibm.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, joel@....id.au,
andrew@...econstruct.com.au, peterhuewe@....de, jarkko@...nel.org,
jgg@...pe.ca, keescook@...omium.org, tony.luck@...el.com,
gpiccoli@...lia.com, johannes.holland@...ineon.com, linux@...ck-us.net,
broonie@...nel.org
Cc: patrick.rudolph@...ements.com, vincent@...emblay.dev,
peteryin.openbmc@...il.com, lakshmiy@...ibm.com, bhelgaas@...gle.com,
naresh.solanki@...ements.com, alexander.stein@...tq-group.com,
festevam@...x.de, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org,
linux-kernel@...r.kernel.org, linux-integrity@...r.kernel.org,
linux-hardening@...r.kernel.org, geissonator@...oo.com
Subject: Re: [PATCH v1 4/8] ARM: dts: aspeed: System1: Add i2c and muxes
Hello Krzysztof,
On 12/12/23 14:21, Krzysztof Kozlowski wrote:
> On 12/12/2023 17:40, Ninad Palsule wrote:
>> This commit adds i2c devices and muxes.
>>
>> Tested:
>> This board is tested using the simics simulator.
>>
>> Signed-off-by: Ninad Palsule <ninad@...ux.ibm.com>
>> ---
>> .../dts/aspeed/aspeed-bmc-ibm-system1.dts | 577 ++++++++++++++++++
>> 1 file changed, 577 insertions(+)
>>
> Why do you split new submission into multiple chunks? The logical
> feature here is new board, so all your DTS patches adding new board
> should be in one patch.
Oh,ok. I thought it might be easier to review but now I squashed them
together.
>
>> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
>> index 01291b407f59..0557bff9f36a 100644
>> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
>> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
>> @@ -11,6 +11,65 @@ / {
>> model = "System1";
>> compatible = "ibm,system1-bmc", "aspeed,ast2600";
>>
>> + aliases {
>> + i2c16 = &i2c8mux1chn0;
>> + i2c17 = &i2c8mux1chn1;
>> + i2c18 = &i2c8mux1chn2;
>> + i2c19 = &i2c8mux1chn3;
>> + i2c20 = &i2c8mux1chn4;
>> + i2c21 = &i2c8mux1chn5;
>> + i2c22 = &i2c8mux1chn6;
>> + i2c23 = &i2c8mux1chn7;
>> + i2c24 = &i2c3mux0chn0;
>> + i2c25 = &i2c3mux0chn1;
>> + i2c26 = &i2c3mux0chn2;
>> + i2c27 = &i2c3mux0chn3;
>> + i2c28 = &i2c3mux0chn4;
>> + i2c29 = &i2c3mux0chn5;
>> + i2c30 = &i2c3mux0chn6;
>> + i2c31 = &i2c3mux0chn7;
>> + i2c32 = &i2c6mux0chn0;
>> + i2c33 = &i2c6mux0chn1;
>> + i2c34 = &i2c6mux0chn2;
>> + i2c35 = &i2c6mux0chn3;
>> + i2c36 = &i2c6mux0chn4;
>> + i2c37 = &i2c6mux0chn5;
>> + i2c38 = &i2c6mux0chn6;
>> + i2c39 = &i2c6mux0chn7;
>> + i2c40 = &i2c7mux0chn0;
>> + i2c41 = &i2c7mux0chn1;
>> + i2c42 = &i2c7mux0chn2;
>> + i2c43 = &i2c7mux0chn3;
>> + i2c44 = &i2c7mux0chn4;
>> + i2c45 = &i2c7mux0chn5;
>> + i2c46 = &i2c7mux0chn6;
>> + i2c47 = &i2c7mux0chn7;
>> + i2c48 = &i2c8mux0chn0;
>> + i2c49 = &i2c8mux0chn1;
>> + i2c50 = &i2c8mux0chn2;
>> + i2c51 = &i2c8mux0chn3;
>> + i2c52 = &i2c8mux0chn4;
>> + i2c53 = &i2c8mux0chn5;
>> + i2c54 = &i2c8mux0chn6;
>> + i2c55 = &i2c8mux0chn7;
>> + i2c56 = &i2c14mux0chn0;
>> + i2c57 = &i2c14mux0chn1;
>> + i2c58 = &i2c14mux0chn2;
>> + i2c59 = &i2c14mux0chn3;
>> + i2c60 = &i2c14mux0chn4;
>> + i2c61 = &i2c14mux0chn5;
>> + i2c62 = &i2c14mux0chn6;
>> + i2c63 = &i2c14mux0chn7;
>> + i2c64 = &i2c15mux0chn0;
>> + i2c65 = &i2c15mux0chn1;
>> + i2c66 = &i2c15mux0chn2;
>> + i2c67 = &i2c15mux0chn3;
>> + i2c68 = &i2c15mux0chn4;
>> + i2c69 = &i2c15mux0chn5;
>> + i2c70 = &i2c15mux0chn6;
>> + i2c71 = &i2c15mux0chn7;
>> + };
>> +
>> chosen {
>> stdout-path = &uart5;
>> bootargs = "console=ttyS4,115200n8 earlycon";
>> @@ -54,10 +113,12 @@ vga_memory: region@...00000 {
>> reg = <0xbf000000 0x01000000>; /* 16M */
>> };
>> };
>> +
> You need to clean your patchset...
I made changes about the stdout-path, is that what you mean?
>
>
>> };
>>
>> &adc1 {
>> status = "okay";
>> +
> Really.
I need to add "status = okay" otherwise its not instantiated.
>
>> aspeed,int-vref-microvolt = <2500000>;
>> pinctrl-names = "default";
>> pinctrl-0 = <&pinctrl_adc8_default
>> @@ -186,3 +247,519 @@ &kcs3 {
>> aspeed,lpc-io-reg = <0xca2>;
>> aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
>> };
>> +
>> +&i2c0 {
>> + status = "okay";
>> +};
>> +
>> +&i2c1 {
>> + status = "okay";
>> +};
>> +
>> +&i2c2 {
>> + status = "okay";
>> +};
>> +
>> +&i2c3 {
>> + status = "okay";
>> +
>> + i2c-mux@70 {
>> + compatible = "nxp,pca9548";
>> + reg = <0x70>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + status = "okay";
> Drop
Done.
>
>> + i2c-mux-idle-disconnect;
>> +
>> + i2c3mux0chn0: i2c@0 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <0>;
>> + };
>> +
>> + i2c3mux0chn1: i2c@1 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <1>;
>> + };
>> +
>> + i2c3mux0chn2: i2c@2 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <2>;
>> + };
>> +
>> + i2c3mux0chn3: i2c@3 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <3>;
>> + };
>> +
>> + i2c3mux0chn4: i2c@4 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <4>;
>> + };
>> +
>> + i2c3mux0chn5: i2c@5 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <5>;
>> + };
>> +
>> + i2c3mux0chn6: i2c@6 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <6>;
>> + };
>> +
>> + i2c3mux0chn7: i2c@7 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <7>;
>> + };
>> + };
>> +};
>> +
>> +&i2c4 {
>> + status = "okay";
>> +};
>> +
>> +&i2c5 {
>> + status = "okay";
>> +};
>> +
>> +&i2c6 {
>> + status = "okay";
>> +
>> + i2c-mux@70 {
>> + compatible = "nxp,pca9548";
>> + reg = <0x70>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + status = "okay";
> Drop
Done
Thanks for the review.
Regards,
Ninad
>
> Other places as well.
>
>
> Best regards,
> Krzysztof
>
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