From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Andy Gross <agross@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org
Subject: [RFC PATCH] arm64: dts: qcom: add device tree for DB845c working in dual DSI mode
Date: Wed, 18 Jan 2023 10:20:48 +0200 [thread overview]
Message-ID: <20230118082048.2198715-1-dmitry.baryshkov@linaro.org> (raw)
While we are testing the DB845c working in dual DSI mode (which is
required for the 4k support), create a separate device tree using this
configuration.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
Dependencies to be able to verify the 4k@30 mode:
[1] https://lore.kernel.org/linux-arm-msm/20221229191856.3508092-1-dmitry.baryshkov@linaro.org/
[2] https://lore.kernel.org/dri-devel/20230118081658.2198520-1-dmitry.baryshkov@linaro.org/
---
arch/arm64/boot/dts/qcom/Makefile | 1 +
.../boot/dts/qcom/sdm845-db845c-dual-dsi.dts | 48 +++++++++++++++++++
2 files changed, 49 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/sdm845-db845c-dual-dsi.dts
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 3e79496292e7..dc55c3b989a4 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -139,6 +139,7 @@ dtb-$(CONFIG_ARCH_QCOM) += sdm845-cheza-r1.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-cheza-r2.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-cheza-r3.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-db845c.dtb
+dtb-$(CONFIG_ARCH_QCOM) += sdm845-db845c-dual-dsi.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-db845c-navigation-mezzanine.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-lg-judyln.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-lg-judyp.dtb
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c-dual-dsi.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c-dual-dsi.dts
new file mode 100644
index 000000000000..4a366dedc841
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c-dual-dsi.dts
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023, Linaro Ltd.
+ */
+
+#include "sdm845-db845c.dts"
+
+&dsi0 {
+ qcom,dual-dsi-mode;
+ qcom,master-dsi;
+};
+
+&dsi1 {
+ vdda-supply = <&vreg_l26a_1p2>;
+
+ qcom,dual-dsi-mode;
+
+ /* DSI1 is slave, so use DSI0 clocks */
+ assigned-clock-parents = <&dsi0_phy 0>, <&dsi0_phy 1>;
+
+ status = "okay";
+
+ ports {
+ port@1 {
+ endpoint {
+ remote-endpoint = <<9611_b>;
+ data-lanes = <0 1 2 3>;
+ };
+ };
+ };
+};
+
+&dsi1_phy {
+ vdds-supply = <&vreg_l1a_0p875>;
+ status = "okay";
+};
+
+<9611_codec {
+ ports {
+ port@1 {
+ reg = <1>;
+
+ lt9611_b: endpoint {
+ remote-endpoint = <&dsi1_out>;
+ };
+ };
+ };
+};
--
2.39.0
next reply other threads:[~2023-01-18 9:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-18 8:20 Dmitry Baryshkov [this message]
2023-01-18 17:32 ` [RFC PATCH] arm64: dts: qcom: add device tree for DB845c working in dual DSI mode Bjorn Andersson
2023-01-18 18:47 ` Dmitry Baryshkov
2023-04-07 16:48 ` Bjorn Andersson
2023-04-07 17:09 ` Dmitry Baryshkov
2023-05-15 1:44 ` Bjorn Andersson
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