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Wed, 7 Feb 2024 10:42:01 GMT Received: from hu-krichai-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 7 Feb 2024 02:41:56 -0800 From: Krishna chaitanya chundru Date: Wed, 7 Feb 2024 16:11:49 +0530 Subject: [PATCH] arm64: dts: qcom: qcs6490-rb3gen2: Add PCIe nodes Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240207-enable_pcie-v1-1-b684afa6371c@quicinc.com> X-B4-Tracking: v=1; b=H4sIAG1ew2UC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIxMDIwNz3dS8xKSc1PiC5MxUXUvTJMMUMzNDoyQjcyWgjoKi1LTMCrBp0bG 1tQDbjrJiXQAAAA== To: Bjorn Andersson , Konrad Dybcio , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley CC: , , , , , , , , "Krishna chaitanya chundru" X-Mailer: b4 0.13-dev-83828 X-Developer-Signature: v=1; a=ed25519-sha256; t=1707302517; l=2092; i=quic_krichai@quicinc.com; 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PCIe switch is connected to PCIe1, PCIe switch has multiple endpoints connected. For each endpoint a unique BDF will be assigned and should assign unique smmu id. So for each BDF add smmu id. Signed-off-by: Krishna chaitanya chundru --- arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 42 ++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) --- base-commit: 70d201a40823acba23899342d62bc2644051ad2e change-id: 20240207-enable_pcie-95b1d6612b27 Best regards, diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts index 8bb7d13d85f6..0082a3399453 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts @@ -413,6 +413,32 @@ vreg_bob_3p296: bob { }; }; +&pcie1 { + perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>; + + pinctrl-0 = <&pcie1_reset_n>, <&pcie1_wake_n>; + pinctrl-names = "default"; + + iommu-map = <0x0 &apps_smmu 0x1c80 0x1>, + <0x100 &apps_smmu 0x1c81 0x1>, + <0x208 &apps_smmu 0x1c84 0x1>, + <0x210 &apps_smmu 0x1c85 0x1>, + <0x218 &apps_smmu 0x1c86 0x1>, + <0x300 &apps_smmu 0x1c87 0x1>, + <0x400 &apps_smmu 0x1c88 0x1>, + <0x500 &apps_smmu 0x1c89 0x1>, + <0x501 &apps_smmu 0x1c90 0x1>; + + status = "okay"; +}; + +&pcie1_phy { + vdda-phy-supply = <&vreg_l10c_0p88>; + vdda-pll-supply = <&vreg_l6b_1p2>; + + status = "okay"; +}; + &qupv3_id_0 { status = "okay"; }; @@ -420,6 +446,22 @@ &qupv3_id_0 { &tlmm { gpio-reserved-ranges = <32 2>, /* ADSP */ <48 4>; /* NFC */ + + pcie1_reset_n: pcie1-reset-n-state { + pins = "gpio2"; + function = "gpio"; + drive-strength = <16>; + output-low; + bias-disable; + }; + + pcie1_wake_n: pcie1-wake-n-state { + pins = "gpio3"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + }; &uart5 {