arm64: dts: qcom: sdm660-xiaomi-lavender: Add RPM and fixed regulators

Add most of the RPM PM660/PM660L regulators and the fixed ones,
defining the common electrical part of this platform.

Signed-off-by: Dang Huynh <danct12@riseup.net>
Reviewed-by: Caleb Connolly <caleb@connolly.tech>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211120214227.779742-4-danct12@riseup.net

diff --git a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
index 1edc53f..eccbeec 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
+++ b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
@@ -1,11 +1,14 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2020, Alexey Minnekhanov <alexey.min@gmail.com>
+ * Copyright (c) 2021, Dang Huynh <danct12@riseup.net>
  */
 
 /dts-v1/;
 
 #include "sdm660.dtsi"
+#include "pm660.dtsi"
+#include "pm660l.dtsi"
 
 / {
        model = "Xiaomi Redmi Note 7";
@@ -20,6 +23,16 @@
                stdout-path = "serial0:115200n8";
        };
 
+       vph_pwr: vph-pwr-regulator {
+               compatible = "regulator-fixed";
+               regulator-name = "vph_pwr";
+               regulator-min-microvolt = <3700000>;
+               regulator-max-microvolt = <3700000>;
+
+               regulator-always-on;
+               regulator-boot-on;
+       };
+
        reserved-memory {
                #address-cells = <2>;
                #size-cells = <2>;
@@ -40,6 +53,259 @@
        status = "okay";
 };
 
+&rpm_requests {
+       pm660l-regulators {
+               compatible = "qcom,rpm-pm660l-regulators";
+
+               vdd_s1-supply = <&vph_pwr>;
+               vdd_s2-supply = <&vph_pwr>;
+               vdd_s3_s4-supply = <&vph_pwr>;
+               vdd_s5-supply = <&vph_pwr>;
+               vdd_s6-supply = <&vph_pwr>;
+
+               vdd_l1_l9_l10-supply = <&vreg_s2b_1p05>;
+               vdd_l2-supply = <&vreg_bob>;
+               vdd_l3_l5_l7_l8-supply = <&vreg_bob>;
+               vdd_l4_l6-supply = <&vreg_bob>;
+               vdd_bob-supply = <&vph_pwr>;
+
+               vreg_s1b_1p125: s1 {
+                       regulator-min-microvolt = <1125000>;
+                       regulator-max-microvolt = <1125000>;
+                       regulator-enable-ramp-delay = <200>;
+               };
+
+               vreg_s2b_1p05: s2 {
+                       regulator-min-microvolt = <1050000>;
+                       regulator-max-microvolt = <1050000>;
+                       regulator-enable-ramp-delay = <200>;
+               };
+
+               /* LDOs */
+               vreg_l1b_0p925: l1 {
+                       regulator-min-microvolt = <800000>;
+                       regulator-max-microvolt = <925000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-allow-set-load;
+               };
+
+               /* SDHCI 3.3V signal doesn't seem to be supported. */
+               vreg_l2b_2p95: l2 {
+                       regulator-min-microvolt = <1648000>;
+                       regulator-max-microvolt = <2696000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-allow-set-load;
+               };
+
+               vreg_l3b_3p3: l3 {
+                       regulator-min-microvolt = <1700000>;
+                       regulator-max-microvolt = <3300000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-allow-set-load;
+               };
+
+               vreg_l4b_2p95: l4 {
+                       regulator-min-microvolt = <2944000>;
+                       regulator-max-microvolt = <2952000>;
+                       regulator-enable-ramp-delay = <250>;
+
+                       regulator-min-microamp = <200>;
+                       regulator-max-microamp = <600000>;
+                       regulator-system-load = <570000>;
+                       regulator-allow-set-load;
+               };
+
+               /*
+                * Downstream specifies a range of 1721-3600mV,
+                * but the only assigned consumers are SDHCI2 VMMC
+                * and Coresight QPDI that both request pinned 2.95V.
+                * Tighten the range to 1.8-3.328 (closest to 3.3) to
+                * make the mmc driver happy.
+                */
+               vreg_l5b_2p95: l5 {
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <3328000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-allow-set-load;
+                       regulator-system-load = <800000>;
+               };
+
+               vreg_l7b_3p125: l7 {
+                       regulator-min-microvolt = <2700000>;
+                       regulator-max-microvolt = <3125000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l8b_3p3: l8 {
+                       regulator-min-microvolt = <3200000>;
+                       regulator-max-microvolt = <3400000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_bob: bob {
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3600000>;
+                       regulator-enable-ramp-delay = <500>;
+               };
+       };
+
+       pm660-regulators {
+               compatible = "qcom,rpm-pm660-regulators";
+
+               vdd_s1-supply = <&vph_pwr>;
+               vdd_s2-supply = <&vph_pwr>;
+               vdd_s3-supply = <&vph_pwr>;
+               vdd_s4-supply = <&vph_pwr>;
+               vdd_s5-supply = <&vph_pwr>;
+               vdd_s6-supply = <&vph_pwr>;
+
+               vdd_l1_l6_l7-supply = <&vreg_s5a_1p35>;
+               vdd_l2_l3-supply = <&vreg_s2b_1p05>;
+               vdd_l5-supply = <&vreg_s2b_1p05>;
+               vdd_l8_l9_l10_l11_l12_l13_l14-supply = <&vreg_s4a_2p04>;
+               vdd_l15_l16_l17_l18_l19-supply = <&vreg_bob>;
+
+               /*
+                * S1A (FTAPC0), S2A (FTAPC1), S3A (HFAPC1) are managed
+                * by the Core Power Reduction hardened (CPRh) and the
+                * Operating State Manager (OSM) HW automatically.
+                */
+
+               vreg_s4a_2p04: s4 {
+                       regulator-min-microvolt = <1805000>;
+                       regulator-max-microvolt = <2040000>;
+                       regulator-enable-ramp-delay = <200>;
+                       regulator-always-on;
+               };
+
+               vreg_s5a_1p35: s5 {
+                       regulator-min-microvolt = <1224000>;
+                       regulator-max-microvolt = <1350000>;
+                       regulator-enable-ramp-delay = <200>;
+               };
+
+               vreg_s6a_0p87: s6 {
+                       regulator-min-microvolt = <504000>;
+                       regulator-max-microvolt = <992000>;
+                       regulator-enable-ramp-delay = <150>;
+               };
+
+               /* LDOs */
+               vreg_l1a_1p225: l1 {
+                       regulator-min-microvolt = <1150000>;
+                       regulator-max-microvolt = <1250000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-allow-set-load;
+               };
+
+               vreg_l2a_1p0: l2 {
+                       regulator-min-microvolt = <950000>;
+                       regulator-max-microvolt = <1010000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l3a_1p0: l3 {
+                       regulator-min-microvolt = <950000>;
+                       regulator-max-microvolt = <1010000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l5a_0p848: l5 {
+                       regulator-min-microvolt = <525000>;
+                       regulator-max-microvolt = <950000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l6a_1p3: l6 {
+                       regulator-min-microvolt = <1200000>;
+                       regulator-max-microvolt = <1370000>;
+                       regulator-allow-set-load;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l7a_1p2: l7 {
+                       regulator-min-microvolt = <1200000>;
+                       regulator-max-microvolt = <1200000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l8a_1p8: l8 {
+                       regulator-min-microvolt = <1750000>;
+                       regulator-max-microvolt = <1800000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-system-load = <325000>;
+                       regulator-allow-set-load;
+               };
+
+               vreg_l9a_1p8: l9 {
+                       regulator-min-microvolt = <1750000>;
+                       regulator-max-microvolt = <1900000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-allow-set-load;
+               };
+
+               vreg_l10a_1p8: l10 {
+                       regulator-min-microvolt = <1780000>;
+                       regulator-max-microvolt = <1950000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-allow-set-load;
+               };
+
+               vreg_l11a_1p8: l11 {
+                       regulator-min-microvolt = <1780000>;
+                       regulator-max-microvolt = <1950000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l12a_1p8: l12 {
+                       regulator-min-microvolt = <1780000>;
+                       regulator-max-microvolt = <1950000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               /* This gives power to the LPDDR4: never turn it off! */
+               vreg_l13a_1p8: l13 {
+                       regulator-min-microvolt = <1780000>;
+                       regulator-max-microvolt = <1950000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-boot-on;
+                       regulator-always-on;
+               };
+
+               vreg_l14a_1p8: l14 {
+                       regulator-min-microvolt = <1710000>;
+                       regulator-max-microvolt = <1900000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l15a_1p8: l15 {
+                       regulator-min-microvolt = <1650000>;
+                       regulator-max-microvolt = <2950000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l16a_2p7: l16 {
+                       regulator-min-microvolt = <2800000>;
+                       regulator-max-microvolt = <2800000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-always-on;
+               };
+
+               vreg_l17a_1p8: l17 {
+                       regulator-min-microvolt = <1648000>;
+                       regulator-max-microvolt = <2952000>;
+                       regulator-enable-ramp-delay = <250>;
+               };
+
+               vreg_l19a_3p3: l19 {
+                       regulator-min-microvolt = <3312000>;
+                       regulator-max-microvolt = <3400000>;
+                       regulator-enable-ramp-delay = <250>;
+                       regulator-allow-set-load;
+               };
+       };
+};
+
 &tlmm {
        gpio-reserved-ranges = <8 4>;
 };