Add initial device tree support for the RB8 board
based on Qualcomm's QCS9075.
Basic changes are supported for boot to shell.
Signed-off-by: Wasim Nazir <quic_wasimn@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/Makefile | 1 +
arch/arm64/boot/dts/qcom/qcs9075-rb8.dts | 281 +++++++++++++++++++++++
2 files changed, 282 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/qcs9075-rb8.dts
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 9bb8b191aeb5..5d9847119f2e 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -115,6 +115,7 @@ dtb-$(CONFIG_ARCH_QCOM) += qcs404-evb-1000.dtb
dtb-$(CONFIG_ARCH_QCOM) += qcs404-evb-4000.dtb
dtb-$(CONFIG_ARCH_QCOM) += qcs6490-rb3gen2.dtb
dtb-$(CONFIG_ARCH_QCOM) += qcs8550-aim300-aiot.dtb
+dtb-$(CONFIG_ARCH_QCOM) += qcs9075-rb8.dtb
dtb-$(CONFIG_ARCH_QCOM) += qcs9100-ride.dtb
dtb-$(CONFIG_ARCH_QCOM) += qcs9100-ride-r3.dtb
dtb-$(CONFIG_ARCH_QCOM) += qdu1000-idp.dtb
diff --git a/arch/arm64/boot/dts/qcom/qcs9075-rb8.dts b/arch/arm64/boot/dts/qcom/qcs9075-rb8.dts
new file mode 100644
index 000000000000..ecaa383b6508
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/qcs9075-rb8.dts
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+
+#include "sa8775p.dtsi"
+#include "sa8775p-pmics.dtsi"
+
+/ {
+ model = "Qualcomm Technologies, Inc. Robotics RB8";
+ compatible = "qcom,qcs9075-rb8", "qcom,qcs9075", "qcom,sa8775p";
+
+ aliases {
+ serial0 = &uart10;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+};
+
+&apps_rsc {
+ regulators-0 {
+ compatible = "qcom,pmm8654au-rpmh-regulators";
+ qcom,pmic-id = "a";
+
+ vreg_s4a: smps4 {
+ regulator-name = "vreg_s4a";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1816000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_s5a: smps5 {
+ regulator-name = "vreg_s5a";
+ regulator-min-microvolt = <1850000>;
+ regulator-max-microvolt = <1996000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_s9a: smps9 {
+ regulator-name = "vreg_s9a";
+ regulator-min-microvolt = <535000>;
+ regulator-max-microvolt = <1120000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l4a: ldo4 {
+ regulator-name = "vreg_l4a";
+ regulator-min-microvolt = <788000>;
+ regulator-max-microvolt = <1050000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l5a: ldo5 {
+ regulator-name = "vreg_l5a";
+ regulator-min-microvolt = <870000>;
+ regulator-max-microvolt = <950000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l6a: ldo6 {
+ regulator-name = "vreg_l6a";
+ regulator-min-microvolt = <870000>;
+ regulator-max-microvolt = <970000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l7a: ldo7 {
+ regulator-name = "vreg_l7a";
+ regulator-min-microvolt = <720000>;
+ regulator-max-microvolt = <950000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l8a: ldo8 {
+ regulator-name = "vreg_l8a";
+ regulator-min-microvolt = <2504000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l9a: ldo9 {
+ regulator-name = "vreg_l9a";
+ regulator-min-microvolt = <2970000>;
+ regulator-max-microvolt = <3544000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+
+ regulators-1 {
+ compatible = "qcom,pmm8654au-rpmh-regulators";
+ qcom,pmic-id = "c";
+
+ vreg_l1c: ldo1 {
+ regulator-name = "vreg_l1c";
+ regulator-min-microvolt = <1140000>;
+ regulator-max-microvolt = <1260000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l2c: ldo2 {
+ regulator-name = "vreg_l2c";
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l3c: ldo3 {
+ regulator-name = "vreg_l3c";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l4c: ldo4 {
+ regulator-name = "vreg_l4c";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ /*
+ * FIXME: This should have regulator-allow-set-load but
+ * we're getting an over-current fault from the PMIC
+ * when switching to LPM.
+ */
+ };
+
+ vreg_l5c: ldo5 {
+ regulator-name = "vreg_l5c";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l6c: ldo6 {
+ regulator-name = "vreg_l6c";
+ regulator-min-microvolt = <1620000>;
+ regulator-max-microvolt = <1980000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l7c: ldo7 {
+ regulator-name = "vreg_l7c";
+ regulator-min-microvolt = <1620000>;
+ regulator-max-microvolt = <2000000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l8c: ldo8 {
+ regulator-name = "vreg_l8c";
+ regulator-min-microvolt = <2400000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l9c: ldo9 {
+ regulator-name = "vreg_l9c";
+ regulator-min-microvolt = <1650000>;
+ regulator-max-microvolt = <2700000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+
+ regulators-2 {
+ compatible = "qcom,pmm8654au-rpmh-regulators";
+ qcom,pmic-id = "e";
+
+ vreg_s4e: smps4 {
+ regulator-name = "vreg_s4e";
+ regulator-min-microvolt = <970000>;
+ regulator-max-microvolt = <1520000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_s7e: smps7 {
+ regulator-name = "vreg_s7e";
+ regulator-min-microvolt = <1010000>;
+ regulator-max-microvolt = <1170000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_s9e: smps9 {
+ regulator-name = "vreg_s9e";
+ regulator-min-microvolt = <300000>;
+ regulator-max-microvolt = <570000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l6e: ldo6 {
+ regulator-name = "vreg_l6e";
+ regulator-min-microvolt = <1280000>;
+ regulator-max-microvolt = <1450000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l8e: ldo8 {
+ regulator-name = "vreg_l8e";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1950000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+ RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+};
+
+&qupv3_id_1 {
+ status = "okay";
+};
+
+&sleep_clk {
+ clock-frequency = <32768>;
+};
+
+&tlmm {
+ qup_uart10_default: qup-uart10-state {
+ pins = "gpio46", "gpio47";
+ function = "qup1_se3";
+ };
+};
+
+&uart10 {
+ compatible = "qcom,geni-debug-uart";
+ pinctrl-0 = <&qup_uart10_default>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&xo_board_clk {
+ clock-frequency = <38400000>;
+};
--
2.47.0
