linux-kernel - [PATCH RFC 3/4] arm64: dts: qcom: sm6350: add uart1 node

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Date:   Fri, 21 Apr 2023 16:11:40 +0200
From:   Luca Weiss <luca.weiss@...rphone.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Balakrishna Godavarthi <bgodavar@...eaurora.org>,
        Rocky Liao <rjliao@...eaurora.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH RFC 3/4] arm64: dts: qcom: sm6350: add uart1 node

Add the node describing uart1 incl. opp table and pinctrl.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 arch/arm64/boot/dts/qcom/sm6350.dtsi | 63 ++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi
index 18c4616848ce..16c5e9a6c98a 100644
--- a/arch/arm64/boot/dts/qcom/sm6350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi
@@ -378,6 +378,25 @@ opp-2073600000 {
 		};
 	};
 
+	qup_opp_table: opp-table-qup {
+		compatible = "operating-points-v2";
+
+		opp-75000000 {
+			opp-hz = /bits/ 64 <75000000>;
+			required-opps = <&rpmhpd_opp_low_svs>;
+		};
+
+		opp-100000000 {
+			opp-hz = /bits/ 64 <100000000>;
+			required-opps = <&rpmhpd_opp_svs>;
+		};
+
+		opp-128000000 {
+			opp-hz = /bits/ 64 <128000000>;
+			required-opps = <&rpmhpd_opp_nom>;
+		};
+	};
+
 	pmu {
 		compatible = "arm,armv8-pmuv3";
 		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_LOW>;
@@ -741,6 +760,22 @@ i2c0: i2c@...000 {
 				status = "disabled";
 			};
 
+			uart1: serial@...000 {
+				compatible = "qcom,geni-uart";
+				reg = <0 0x00884000 0 0x4000>;
+				clock-names = "se";
+				clocks = <&gcc GCC_QUPV3_WRAP0_S1_CLK>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&qup_uart1_cts>, <&qup_uart1_rts>, <&qup_uart1_tx>, <&qup_uart1_rx>;
+				interrupts = <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>;
+				power-domains = <&rpmhpd SM6350_CX>;
+				operating-points-v2 = <&qup_opp_table>;
+				interconnects = <&clk_virt MASTER_QUP_CORE_0 0 &clk_virt SLAVE_QUP_CORE_0 0>,
+						<&aggre1_noc MASTER_QUP_0 0 &clk_virt SLAVE_EBI_CH0 0>;
+				interconnect-names = "qup-core", "qup-config";
+				status = "disabled";
+			};
+
 			i2c2: i2c@...000 {
 				compatible = "qcom,geni-i2c";
 				reg = <0 0x00888000 0 0x4000>;
@@ -1726,6 +1761,34 @@ qup_i2c10_default: qup-i2c10-default-state {
 				drive-strength = <2>;
 				bias-pull-up;
 			};
+
+			qup_uart1_cts: qup-uart1-cts-default-state {
+				pins = "gpio61";
+				function = "qup01";
+				drive-strength = <2>;
+				bias-disable;
+			};
+
+			qup_uart1_rts: qup-uart1-rts-default-state {
+				pins = "gpio62";
+				function = "qup01";
+				drive-strength = <2>;
+				bias-pull-down;
+			};
+
+			qup_uart1_tx: qup-uart1-tx-default-state {
+				pins = "gpio63";
+				function = "qup01";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+
+			qup_uart1_rx: qup-uart1-rx-default-state {
+				pins = "gpio64";
+				function = "qup01";
+				drive-strength = <2>;
+				bias-disable;
+			};
 		};
 
 		apps_smmu: iommu@...00000 {

-- 
2.40.0