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Message-ID: <20231205151647.vh6rlhro7qlwoerc@knelt>
Date: Tue, 5 Dec 2023 09:16:47 -0600
From: Nishanth Menon <nm@...com>
To: 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>, <u-kumar1@...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 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
> + 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
>
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
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