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Date: Mon, 4 Apr 2022 23:59:36 +0530
From: Kuldeep Singh <singh.kuldeep87k@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
Kuldeep Singh <singh.kuldeep87k@...il.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-serial@...r.kernel.org
Subject: [PATCH v2 3/4] dt-bindings: serial: Update Qualcomm geni based QUP UART bindings
Similar to I2C controller, move geni based QUP UART controller binding
out from parent schema to an individual binding and let parent refer to
child schema later on. UART binding also stand incomplete right now
similar to I2C, complete it along this process.
Signed-off-by: Kuldeep Singh <singh.kuldeep87k@...il.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
v2:
- s/i2c/I2C
- s/uart/UART
- Sort nodes alphabetically
- Add Krzystof's Rb tag
---
.../serial/qcom,serial-geni-qcom.yaml | 86 +++++++++++++++++++
1 file changed, 86 insertions(+)
create mode 100644 Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml
diff --git a/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml b/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml
new file mode 100644
index 000000000000..05a6999808d1
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/serial/qcom,serial-geni-qcom.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm Geni based QUP UART interface
+
+maintainers:
+ - Andy Gross <agross@...nel.org>
+ - Bjorn Andersson <bjorn.andersson@...aro.org>
+
+allOf:
+ - $ref: /schemas/serial/serial.yaml#
+
+properties:
+ compatible:
+ enum:
+ - qcom,geni-uart
+ - qcom,geni-debug-uart
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: se
+
+ interconnects:
+ maxItems: 2
+
+ interconnect-names:
+ items:
+ - const: qup-core
+ - const: qup-config
+
+ interrupts:
+ minItems: 1
+ items:
+ - description: UART core irq
+ - description: Wakeup irq (RX GPIO)
+
+ operating-points-v2: true
+
+ pinctrl-0: true
+ pinctrl-1: true
+
+ pinctrl-names:
+ minItems: 1
+ items:
+ - const: default
+ - const: sleep
+
+ power-domains:
+ maxItems: 1
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - clocks
+ - clock-names
+ - interrupts
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/qcom,gcc-sc7180.h>
+ #include <dt-bindings/interconnect/qcom,sc7180.h>
+
+ serial@...000 {
+ compatible = "qcom,geni-uart";
+ reg = <0xa88000 0x7000>;
+ interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>;
+ clock-names = "se";
+ clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>;
+ pinctrl-0 = <&qup_uart0_default>;
+ pinctrl-names = "default";
+ interconnects = <&qup_virt MASTER_QUP_CORE_0 0 &qup_virt SLAVE_QUP_CORE_0 0>,
+ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>;
+ interconnect-names = "qup-core", "qup-config";
+ };
+...
--
2.25.1
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