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Sun, 05 Jul 2026 23:05:04 -0700 (PDT) Received: from hu-naala-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-847f6d498dcsm3113266b3a.30.2026.07.05.23.05.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Jul 2026 23:05:04 -0700 (PDT) From: Nabige Aala Date: Mon, 06 Jul 2026 11:34:44 +0530 Subject: [PATCH v2 4/4] arm64: dts: qcom: shikra-cqs-evk: Enable display and add ili7807s panel Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260706-shikra-dt-changes-v2-4-56fcd1659ea4@oss.qualcomm.com> References: <20260706-shikra-dt-changes-v2-0-56fcd1659ea4@oss.qualcomm.com> In-Reply-To: <20260706-shikra-dt-changes-v2-0-56fcd1659ea4@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Arpit Saini , Nabige Aala , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.16-dev-d5d98 X-Developer-Signature: v=1; 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Signed-off-by: Arpit Saini Signed-off-by: Nabige Aala --- arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts | 126 ++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts index 26ff8007a819..8c4a8bc01595 100644 --- a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts +++ b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts @@ -23,6 +23,39 @@ chosen { stdout-path = "serial0:115200n8"; }; + lcd_bias: regulator-lcd-bias { + compatible = "regulator-fixed"; + regulator-name = "lcd_bias"; + vin-supply = <&vph_pwr>; + gpio = <&tlmm 151 GPIO_ACTIVE_HIGH>; + enable-active-high; + pinctrl-0 = <&lcd_bias_en>; + pinctrl-names = "default"; + }; + + vph_pwr: vph-pwr-regulator { + compatible = "regulator-fixed"; + regulator-name = "vph_pwr"; + regulator-always-on; + regulator-boot-on; + }; + + vreg_disp_n: regulator-vreg-disp-n { + compatible = "regulator-fixed"; + regulator-name = "vreg_disp_n"; + regulator-min-microvolt = <5500000>; + regulator-max-microvolt = <5500000>; + vin-supply = <&lcd_bias>; + }; + + vreg_disp_p: regulator-vreg-disp-p { + compatible = "regulator-fixed"; + regulator-name = "vreg_disp_p"; + regulator-min-microvolt = <5500000>; + regulator-max-microvolt = <5500000>; + vin-supply = <&lcd_bias>; + }; + wcn3988-pmu { compatible = "qcom,wcn3988-pmu"; @@ -60,6 +93,53 @@ vreg_pmu_ch1: ldo4 { }; }; +&mdss { + status = "okay"; +}; + +&mdss_dsi0 { + vdda-supply = <&pm4125_l5>; + + status = "okay"; + + panel@0 { + compatible = "dlc,dlc0697", "ilitek,ili7807s"; + reg = <0>; + + reset-gpios = <&tlmm 3 GPIO_ACTIVE_LOW>; + + vddi-supply = <&pm4125_l15>; + avdd-supply = <&vreg_disp_p>; + avee-supply = <&vreg_disp_n>; + + pinctrl-0 = <&panel_rst_n &panel_te_pin &panel_bl_en>; + pinctrl-1 = <&panel_rst_n_suspend &panel_bl_en_suspend>; + pinctrl-names = "default", "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 { + status = "okay"; +}; + +&pm4125_l5 { + /* DSI VDDA - must be at NOM voltage for PHY PLL lock */ + regulator-min-microvolt = <1232000>; + regulator-max-microvolt = <1232000>; + regulator-allow-set-load; +}; + &remoteproc_cdsp { firmware-name = "qcom/shikra/cdsp.mbn"; @@ -95,6 +175,52 @@ &sdhc_1 { status = "okay"; }; +&tlmm { + panel_rst_n: panel-rst-n-state { + pins = "gpio3"; + function = "gpio"; + drive-strength = <8>; + bias-disable; + }; + + panel_rst_n_suspend: panel-rst-n-suspend-state { + pins = "gpio3"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + panel_te_pin: panel-te-pin-state { + pins = "gpio86"; + function = "mdp_vsync_p"; + drive-strength = <2>; + bias-pull-down; + }; + + panel_bl_en: panel-bl-en-state { + pins = "gpio91"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + output-high; + }; + + panel_bl_en_suspend: panel-bl-en-suspend-state { + pins = "gpio91"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + output-low; + }; + + lcd_bias_en: lcd-bias-en-state { + pins = "gpio151"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; +}; + &uart8 { status = "okay"; -- 2.34.1