[PATCH v2 1/3] arm64: boot: dts: ti: k3-am68-sk-base-board: Add LP8733 and TPS6287 nodes
Neha Malcom Francis
n-francis at ti.com
Mon May 27 21:02:54 PDT 2024
Hi Krzysztof,
On 27/05/24 19:59, Krzysztof Kozlowski wrote:
> On 27/05/2024 14:44, Neha Malcom Francis wrote:
>> Add DTS node for LP87334E PMIC and two TPS6287x high current buck
>> converters.
>>
>> LP87334E is responsible for supplying power to the MCU and MAIN domains
>> as well as to LPDDR4. The two TPS6287x supply power to the MAIN
>> domain for AVS and other core supplies.
>
> Please use subject prefixes matching the subsystem. You can get them for
> example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
> your patch is touching. For bindings, the preferred subjects are
> explained here:
> https://www.kernel.org/doc/html/latest/devicetree/bindings/submitting-patches.html#i-for-patch-submitters
>
>>
>> Signed-off-by: Neha Malcom Francis <n-francis at ti.com>
>> Link: https://www.ti.com/lit/pdf/slda060
>> ---
>> .../boot/dts/ti/k3-am68-sk-base-board.dts | 77 +++++++++++++++++++
>> 1 file changed, 77 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
>> index d743f023cdd9..74e59035013c 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
>> @@ -414,6 +414,83 @@ &wkup_uart0 {
>> pinctrl-0 = <&wkup_uart0_pins_default>;
>> };
>>
>> +&wkup_i2c0 {
>> + bootph-all;
>> + status = "okay";
>
> Please order the properties according to DTS coding style:
> https://www.kernel.org/doc/html/latest/devicetree/bindings/dts-coding-style.html#order-of-properties-in-device-node
>
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&wkup_i2c0_pins_default>;
>> + clock-frequency = <400000>;
>> +
>> + lp8733: pmic at 60 {
>> + compatible = "ti,lp8733";
>> + reg = <0x60>;
>> +
>> + buck0-in-supply = <&vsys_3v3>;
>> + buck1-in-supply = <&vsys_3v3>;
>> + ldo0-in-supply = <&vsys_3v3>;
>> + ldo1-in-supply = <&vsys_3v3>;
>> +
>> + lp8733_regulators: regulators {
>> + lp8733_buck0_reg: buck0 {
>> + /* FB_B0 -> LP8733-BUCK1 - VDD_MCU_0V85 */
>> + regulator-name = "lp8733-buck0";
>> + regulator-min-microvolt = <850000>;
>> + regulator-max-microvolt = <850000>;
>> + regulator-always-on;
>> + regulator-boot-on;
>> + };
>> +
>> + lp8733_buck1_reg: buck1 {
>> + /* FB_B1 -> LP8733-BUCK2 - VDD_DDR_1V1 */
>> + regulator-name = "lp8733-buck1";
>> + regulator-min-microvolt = <1100000>;
>> + regulator-max-microvolt = <1100000>;
>> + regulator-always-on;
>> + regulator-boot-on;
>> + };
>> +
>> + lp8733_ldo0_reg: ldo0 {
>> + /* LDO0 -> LP8733-LDO1 - VDA_DLL_0V8 */
>> + regulator-name = "lp8733-ldo0";
>> + regulator-min-microvolt = <800000>;
>> + regulator-max-microvolt = <800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + lp8733_ldo1_reg: ldo1 {
>> + /* LDO1 -> LP8733-LDO2 - VDA_LN_1V8 */
>> + regulator-name = "lp8733-ldo1";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-always-on;
>> + regulator-boot-on;
>> + };
>> + };
>> + };
>> +
>> + tps62873a: tps62873 at 40 {
>
> Node names should be generic. See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
>
>> + compatible = "ti,tps62873";
>> + bootph-pre-ram;
>> + reg = <0x40>;
>> + regulator-name = "VDD_CPU_AVS";
>> + regulator-min-microvolt = <600000>;
>> + regulator-max-microvolt = <900000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + tps62873b: tps62873 at 43 {
>
> Node names should be generic. See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
>
>
>
> Best regards,
> Krzysztof
>
Thanks for the review! I have posted v3.
--
Thanking You
Neha Malcom Francis
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