1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sa8155p.dtsi b/arch/arm64/boot/dts/qcom/sa8155p.dtsi
new file mode 100644
index 000000000000..ffb7ab695213
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sa8155p.dtsi
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2023, Linaro Limited
+ *
+ * SA8155P is an automotive variant of SM8150, with some minor changes.
+ * Most notably, the RPMhPD setup differs: MMCX and LCX/LMX rails are gone,
+ * though the cmd-db doesn't reflect that and access attemps result in a bite.
+ */
+
+#include "sm8150.dtsi"
+
+&dispcc {
+	power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&mdss_dsi0 {
+	power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&mdss_dsi1 {
+	power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&mdss_mdp {
+	power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&remoteproc_slpi {
+	power-domains = <&rpmhpd SA8155P_CX>,
+			<&rpmhpd SA8155P_MX>;
+};
+
+&rpmhpd {
+	/*
+	 * The bindings were crafted such that SA8155P PDs match their
+	 * SM8150 counterparts to make it more maintainable and only
+	 * necessitate adjusting entries that actually differ
+	 */
+	compatible = "qcom,sa8155p-rpmhpd";
+};