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Message-Id: <20241115-topic-sdm450-upstream-lab-ibb-v1-2-8a8e74befbfe@linaro.org>
Date: Fri, 15 Nov 2024 11:20:54 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH 2/2] arm64: dts: qcom: sdm450-lenovo-tbx605f: add DSI panel
nodes
Add the necessary nodes to enable the DSI panel on the
Lenovo Smart Tab M10 tablet.
Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
arch/arm64/boot/dts/qcom/sdm450-lenovo-tbx605f.dts | 97 ++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm450-lenovo-tbx605f.dts b/arch/arm64/boot/dts/qcom/sdm450-lenovo-tbx605f.dts
index 175befc02b22f5df895e95d828edac35fbaed963..e80a89c59818573c7068c3adeaf51fd51defc7f0 100644
--- a/arch/arm64/boot/dts/qcom/sdm450-lenovo-tbx605f.dts
+++ b/arch/arm64/boot/dts/qcom/sdm450-lenovo-tbx605f.dts
@@ -46,6 +46,18 @@ other_ext_region@0 {
};
};
+ backlight: gpio-backlight {
+ compatible = "gpio-backlight";
+
+ gpios = <&tlmm 16 GPIO_ACTIVE_HIGH>;
+
+ default-on;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&backlight_enable_active>;
+ pinctrl-1 = <&backlight_enable_sleep>;
+ };
+
gpio-keys {
compatible = "gpio-keys";
key-volume-up {
@@ -63,6 +75,49 @@ vph_pwr: vph-pwr-regulator {
};
};
+&mdss {
+ status = "okay";
+};
+
+&mdss_dsi0 {
+ vdda-supply = <&pm8953_s3>;
+ vddio-supply = <&pm8953_l6>;
+
+ status = "okay";
+
+ panel@0 {
+ compatible = "boe,tv101wum-ll2";
+ reg = <0>;
+
+ vsp-supply = <&lab>;
+ vsn-supply = <&ibb>;
+ reset-gpios = <&tlmm 61 GPIO_ACTIVE_LOW>;
+
+ backlight = <&backlight>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&panel_reset_active>;
+ pinctrl-1 = <&panel_reset_sleep>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&mdss_dsi0_out>;
+ };
+ };
+ };
+};
+
+&mdss_dsi0_out {
+ remote-endpoint = <&panel_in>;
+ data-lanes = <0 1 2 3>;
+};
+
+&mdss_dsi0_phy {
+ vcca-supply = <&pm8953_l3>;
+
+ status = "okay";
+};
+
&hsusb_phy {
vdd-supply = <&pm8953_l3>;
vdda-pll-supply = <&pm8953_l7>;
@@ -90,6 +145,18 @@ touchscreen@38 {
};
};
+&ibb {
+ regulator-min-microvolt = <4600000>;
+ regulator-max-microvolt = <6000000>;
+ qcom,discharge-resistor-kohms = <32>;
+};
+
+&lab {
+ regulator-min-microvolt = <4600000>;
+ regulator-max-microvolt = <6000000>;
+ qcom,soft-start-us = <800>;
+};
+
&pm8953_resin {
linux,code = <KEY_VOLUMEDOWN>;
status = "okay";
@@ -237,6 +304,36 @@ &sdhc_2 {
&tlmm {
gpio-reserved-ranges = <0 4>, <135 4>;
+ backlight_enable_active: backlight-enable-active-state {
+ pins = "gpio16";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-disable;
+ output-high;
+ };
+
+ backlight_enable_sleep: backlight-enable-sleep-state {
+ pins = "gpio16";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ panel_reset_active: panel-reset-active-state {
+ pins = "gpio61";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-disable;
+ output-high;
+ };
+
+ panel_reset_sleep: panel-reset-sleep-state {
+ pins = "gpio61";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
ts_int_active: ts-int-active-state {
pins = "gpio65";
function = "gpio";
--
2.34.1
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