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arm64: tegra: Enable DFLL clock on P2571

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Add pinmux for PWM-based DFLL support.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
This commit is contained in:
Aaron Kling
2025-04-21 17:01:35 -05:00
committed by Thomas Makin
parent db2ded908b
commit c01c8b6b14
1 changed files with 35 additions and 0 deletions
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35
arch/arm64/boot/dts/nvidia/tegra210-p2571.dts
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@@ -1299,6 +1299,20 @@
nvidia,open-drain = <TEGRA_PIN_DISABLE>; nvidia,open-drain = <TEGRA_PIN_DISABLE>;
}; };
}; };
dvfs_pwm_active_state: pinmux-dvfs-pwm-active {
dvfs_pwm_pbb1 {
nvidia,pins = "dvfs_pwm_pbb1";
nvidia,tristate = <TEGRA_PIN_DISABLE>;
};
};
dvfs_pwm_inactive_state: pinmux-dvfs-pwm-inactive {
dvfs_pwm_pbb1 {
nvidia,pins = "dvfs_pwm_pbb1";
nvidia,tristate = <TEGRA_PIN_ENABLE>;
};
};
}; };
usb@70090000 { usb@70090000 {
@@ -1467,6 +1481,27 @@
hvdd-usb-supply = <&vdd_1v8>; hvdd-usb-supply = <&vdd_1v8>;
}; };
clock@70110000 {
status = "okay";
nvidia,cf = <6>;
nvidia,ci = <0>;
nvidia,cg = <2>;
nvidia,droop-ctrl = <0x00000f00>;
nvidia,force-mode = <1>;
nvidia,sample-rate = <25000>;
nvidia,pwm-min-microvolts = <708000>;
nvidia,pwm-period-nanoseconds = <2500>; /* 2.5us */
nvidia,pwm-to-pmic;
nvidia,pwm-tristate-microvolts = <1000000>;
nvidia,pwm-voltage-step-microvolts = <19200>;
pinctrl-names = "dvfs_pwm_enable", "dvfs_pwm_disable";
pinctrl-0 = <&dvfs_pwm_active_state>;
pinctrl-1 = <&dvfs_pwm_inactive_state>;
};
fan: pwm-fan { fan: pwm-fan {
compatible = "pwm-fan"; compatible = "pwm-fan";
pwms = <&pwm 3 45334>; pwms = <&pwm 3 45334>;