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Message-ID: <5e22f8cb-1004-4bcc-9bd0-2c30180ba10e@ti.com>
Date: Thu, 7 Dec 2023 10:12:49 +0530
From: "Kumar, Udit" <u-kumar1@...com>
To: Nishanth Menon <nm@...com>, Neha Malcom Francis <n-francis@...com>
CC: <vigneshr@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<a-nandan@...com>, <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 6/7] arm64: dts: ti: k3-j721e-sk: Add TPS6594 family
PMICs
On 12/5/2023 8:46 PM, Nishanth Menon wrote:
> On 15:04-20231205, Neha Malcom Francis wrote:
>> This patch adds support for TPS6594 PMIC family on wakeup I2C0 bus.
>> These devices provide 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>
>> ---
>> arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 158 +++++++++++++++++++++++++
>> 1 file changed, 158 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
>> index 42fe8eee9ec8..e600825f7e78 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
>> @@ -459,6 +459,13 @@ J721E_IOPAD(0x234, PIN_INPUT, 7) /* (U3) EXT_REFCLK1.GPIO1_12 */
>> };
>>
>> &wkup_pmx0 {
>> + pmic_irq_pins_default: pmic-irq-default-pins {
>> + bootph-pre-ram;
>> + pinctrl-single,pins = <
>> + J721E_WKUP_IOPAD(0x0cc, PIN_INPUT, 7) /* (G28) WKUP_GPIO0_7 */
>> + >;
>> + };
>> +
>> mcu_cpsw_pins_default: mcu-cpsw-default-pins {
>> pinctrl-single,pins = <
>> J721E_WKUP_IOPAD(0x84, PIN_INPUT, 0) /* (B24) MCU_RGMII1_RD0 */
>> @@ -560,6 +567,157 @@ eeprom@51 {
>> compatible = "atmel,24c512";
>> reg = <0x51>;
>> };
>> +
>> + tps659413: pmic@48 {
>> + bootph-pre-ram;
> only for the leaf nodes. See
> https://libera.irclog.whitequark.org/armlinux/2023-10-19
AFAIK, please correct me, u-boot still needs in all nodes ?
>
>> + compatible = "ti,tps6594-q1";
>> + reg = <0x48>;
>> + system-power-controller;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pmic_irq_pins_default>;
>> + interrupt-parent = <&wkup_gpio0>;
>> + interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
>> + ti,primary-pmic;
>> +
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> +
>> + buck123-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 {
>> + bootph-pre-ram;
>> + bucka123: buck123 {
>> + bootph-pre-ram;
>> + regulator-name = "vdd_cpu_avs";
>> + regulator-min-microvolt = <600000>;
>> + regulator-max-microvolt = <900000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + bucka4: buck4 {
>> + regulator-name = "vdd_mcu_0v85";
>> + regulator-min-microvolt = <850000>;
>> + regulator-max-microvolt = <850000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + bucka5: buck5 {
>> + regulator-name = "vdd_phyio_1v8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldoa1: ldo1 {
>> + regulator-name = "vdd1_lpddr4_1v8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldoa2: ldo2 {
>> + regulator-name = "vdd_mcuio_1v8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldoa3: ldo3 {
>> + regulator-name = "vdda_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;
>> + };
>> + };
>> + };
>> +
>> + tps659411: pmic@4c {
>> + compatible = "ti,tps6594-q1";
>> + reg = <0x4c>;
>> + system-power-controller;
>> + interrupt-parent = <&wkup_gpio0>;
>> + interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
>> +
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> +
>> + buck1234-supply = <&vsys_3v3>;
>> + buck5-supply = <&vsys_3v3>;
>> + ldo1-supply = <&vsys_3v3>;
>> + ldo2-supply = <&vsys_3v3>;
>> + ldo3-supply = <&vsys_3v3>;
>> + ldo4-supply = <&vsys_3v3>;
>> +
>> + regulators {
>> + buckb1234: buck1234 {
>> + regulator-name = "vdd_core_0v8";
>> + regulator-min-microvolt = <800000>;
>> + regulator-max-microvolt = <800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + buckb5: buck5 {
>> + regulator-name = "vdd_ram_0v85";
>> + regulator-min-microvolt = <850000>;
>> + regulator-max-microvolt = <850000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldob1: ldo1 {
>> + regulator-name = "vdd_sd_dv";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldob2: ldo2 {
>> + regulator-name = "vdd_usb_3v3";
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldob3: ldo3 {
>> + regulator-name = "vdd_io_1v8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +
>> + ldob4: ldo4 {
>> + regulator-name = "vda_pll_1v8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> + };
>> + };
>> };
>>
>> &mcu_uart0 {
>> --
>> 2.34.1
>>
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