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Date: Thu, 7 Dec 2023 10:40:23 +0530
From: Neha Malcom Francis <n-francis@...com>
To: "Kumar, Udit" <u-kumar1@...com>, <nm@...com>, <vigneshr@...com>,
<kristo@...nel.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<a-nandan@...com>
CC: <linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<eblanc@...libre.com>, <jneanne@...libre.com>,
<aseketeli@...libre.com>, <jpanis@...libre.com>, <j-luthra@...com>,
<vaishnav.a@...com>, <hnagalla@...com>, <devarsht@...com>
Subject: Re: [PATCH v9 5/7] arm64: dts: ti: k3-am69-sk: Add support for
TPS6594 PMIC
Hi Udit,
On 07/12/23 10:29, Kumar, Udit wrote:
>
> On 12/5/2023 3:04 PM, Neha Malcom Francis wrote:
>> This patch adds support for TPS6594 PMIC on wkup I2C0 bus. This device
>> provides regulators (bucks and LDOs), but also GPIOs, a RTC, a watchdog,
>> an ESM (Error Signal Monitor) which monitors the SoC error output
>> signal, and a PFSM (Pre-configurable Finite State Machine) which manages
>> the operational modes of the PMIC.
>>
>> Signed-off-by: Neha Malcom Francis <n-francis@...com>
>> Tested-by: Manorit Chawdhry <m-chawdhry@...com>
>> ---
>> arch/arm64/boot/dts/ti/k3-am69-sk.dts | 100 ++++++++++++++++++++++++++
>> 1 file changed, 100 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
>> b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
>> index 9868c7049bfb..dec27acb4e96 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
>> @@ -431,6 +431,17 @@ J784S4_IOPAD(0x000, PIN_INPUT, 7) /* (AN35)
>> EXTINTN.GPIO0_0 */
>> };
>> };
>> +&wkup_pmx1 {
>> + status = "okay";
>> +
>> + pmic_irq_pins_default: pmic-irq-default-pins {
>> + pinctrl-single,pins = <
>> + /* (AA37) MCU_ADC1_AIN4.WKUP_GPIO0_83 */
>> + J784S4_WKUP_IOPAD(0x12c, PIN_INPUT, 7)
>> + >;
>> + };
>> +};
>
> Could you re check this pin mux
>
> wkup_pmx1 is defined as reg = <0x00 0x4301c038 0x00 0x02c>;
>
> LTM, this is above wrt given size
>
You're right it must be in wkup_pmx2. Thanks for catching this!
>
>> +
>> &wkup_pmx2 {
>> bootph-all;
>> wkup_uart0_pins_default: wkup-uart0-default-pins {
>> @@ -631,6 +642,95 @@ eeprom@51 {
>> compatible = "atmel,24c512";
>> reg = <0x51>;
>> };
>> +
>> + tps659413: pmic@48 {
>> + compatible = "ti,tps6594-q1";
>> + reg = <0x48>;
>> + system-power-controller;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pmic_irq_pins_default>;
>> + interrupt-parent = <&wkup_gpio0>;
>> + interrupts = <39 IRQ_TYPE_EDGE_FALLING>;
>> + ti,primary-pmic;
>> +
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> +
>> + buck12-supply = <&vsys_3v3>;
>> + buck3-supply = <&vsys_3v3>;
>> + buck4-supply = <&vsys_3v3>;
>> + buck5-supply = <&vsys_3v3>;
>> + ldo1-supply = <&vsys_3v3>;
>> + ldo2-supply = <&vsys_3v3>;
>> + ldo3-supply = <&vsys_3v3>;
>> + ldo4-supply = <&vsys_3v3>;
>> +
>> + regulators {
>> + bucka12: buck12 {
>> + regulator-name = "vdd_ddr_1v1";
>> + regulator-min-microvolt = <1100000>;
>> + regulator-max-microvolt = <1100000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + bucka3: buck3 {
>> + regulator-name = "vdd_ram_0v85";
>> + regulator-min-microvolt = <850000>;
>> + regulator-max-microvolt = <850000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + bucka4: buck4 {
>> + regulator-name = "vdd_io_1v8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + bucka5: buck5 {
>> + regulator-name = "vdd_mcu_0v85";
>> + regulator-min-microvolt = <850000>;
>> + regulator-max-microvolt = <850000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldoa1: ldo1 {
>> + regulator-name = "vdd_mcuio_1v8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldoa2: ldo2 {
>> + regulator-name = "vdd_mcuio_3v3";
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldoa3: ldo3 {
>> + regulator-name = "vds_dll_0v8";
>> + regulator-min-microvolt = <800000>;
>> + regulator-max-microvolt = <800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldoa4: ldo4 {
>> + regulator-name = "vda_mcu_1v8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> + };
>> + };
>> };
>> &wkup_gpio0 {
--
Thanking You
Neha Malcom Francis
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