Re: [PATCH v2 7/7] arm64: dts: qcom: shikra-iqs-evk-imx577-camera: Add DT overlay
From: Bryan O'Donoghue
Date: Tue Jun 09 2026 - 05:06:07 EST
On 08/06/2026 15:06, Nihal Kumar Gupta wrote:
Shikra IQS is an industrial-grade variant using PM8150 PMIC, requiring
different CSIPHY and sensor supply rails compared to the retail boards
(CQM and CQS) which use PM4125.
Add a dedicated overlay for optional IMX577 integration via CSIPHY1.
Signed-off-by: Nihal Kumar Gupta <nihal.gupta@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/Makefile | 2 +
.../dts/qcom/shikra-iqs-evk-imx577-camera.dtso | 70 ++++++++++++++++++++++
arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts | 9 +++
3 files changed, 81 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 76b8f144983827f4905a72935e8d5291a227dc97..09f2318d1c12c4239a6a7bac4ecbca38eb65ffa2 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -340,9 +340,11 @@ dtb-$(CONFIG_ARCH_QCOM) += shikra-iqs-evk.dtb
shikra-cqm-evk-imx577-camera-dtbs := shikra-cqm-evk.dtb shikra-cqm-cqs-evk-imx577-camera.dtbo
shikra-cqs-evk-imx577-camera-dtbs := shikra-cqs-evk.dtb shikra-cqm-cqs-evk-imx577-camera.dtbo
+shikra-iqs-evk-imx577-camera-dtbs := shikra-iqs-evk.dtb shikra-iqs-evk-imx577-camera.dtbo
dtb-$(CONFIG_ARCH_QCOM) += shikra-cqm-evk-imx577-camera.dtb
dtb-$(CONFIG_ARCH_QCOM) += shikra-cqs-evk-imx577-camera.dtb
+dtb-$(CONFIG_ARCH_QCOM) += shikra-iqs-evk-imx577-camera.dtb
dtb-$(CONFIG_ARCH_QCOM) += sm4250-oneplus-billie2.dtb
dtb-$(CONFIG_ARCH_QCOM) += sm4450-qrd.dtb
dtb-$(CONFIG_ARCH_QCOM) += sm6115-fxtec-pro1x.dtb
diff --git a/arch/arm64/boot/dts/qcom/shikra-iqs-evk-imx577-camera.dtso b/arch/arm64/boot/dts/qcom/shikra-iqs-evk-imx577-camera.dtso
new file mode 100644
index 0000000000000000000000000000000000000000..340d6303adc6e1bea55f1bd0598175f0cb269737
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/shikra-iqs-evk-imx577-camera.dtso
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/qcom,shikra-gcc.h>
+#include <dt-bindings/gpio/gpio.h>
+
+&camss {
+ vdd-csiphy-1p2-supply = <&pm8150_l11>;
+ vdd-csiphy-1p8-supply = <&pm8150_l12>;
+
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+
+ csiphy1_ep: endpoint {
+ data-lanes = <0 1 2 3>;
+ remote-endpoint = <&imx577_ep1>;
+ };
+ };
+ };
+};
+
+&cci {
+ status = "okay";
+};
+
+&cci_i2c1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ camera@1a {
+ compatible = "sony,imx577";
+ reg = <0x1a>;
+
+ reset-gpios = <&tlmm 33 GPIO_ACTIVE_LOW>;
+ pinctrl-0 = <&cam_mclk1_default &cam1_reset_default>;
+ pinctrl-names = "default";
+
+ clocks = <&gcc GCC_CAMSS_MCLK1_CLK>;
+ assigned-clocks = <&gcc GCC_CAMSS_MCLK1_CLK>;
+ assigned-clock-rates = <24000000>;
+
+ /*
+ * avdd and dvdd are supplied by on-board regulators on the
+ * IMX577 module from the connector's 3.3 V rail; they are
+ * not SoC-controlled. dovdd (1.8 V) powers the carrier board
+ * level-shifter that translates CCI I2C and reset lines
+ * between the SoC and the connector.
+ */
+ dovdd-supply = <&pm8150_l15>;
+
+ port {
+ imx577_ep1: endpoint {
+ link-frequencies = /bits/ 64 <600000000>;
+ data-lanes = <0 1 2 3>;
+ remote-endpoint = <&csiphy1_ep>;
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
index 3003a47bd7594206f0ac54957e0af509fa365f54..811fd5da4af7babd412d70fee84434849846dc2f 100644
--- a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
+++ b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
@@ -38,3 +38,12 @@ &sdhc_1 {
status = "okay";
};
+
+&tlmm {
+ cam1_reset_default: cam1-reset-default-state {
+ pins = "gpio33";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+};
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
---
bod