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authorKuldeep Singh <singh.kuldeep87k@gmail.com>2022-04-04 21:29:36 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-04-15 12:27:58 +0300
commit19401e9755313ba681e9c8f41e8c176cd95663bb (patch)
tree6e73c93b3c31f79e6f7e1acf7914abaf98e5d16a /Documentation
parente0239ba3ffdd32fb479fcad00390ce2708caae2c (diff)
downloadlinux-19401e9755313ba681e9c8f41e8c176cd95663bb.tar.xz
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@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220404182938.29492-4-singh.kuldeep87k@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml86
1 files changed, 86 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml b/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml
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+++ 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@kernel.org>
+ - Bjorn Andersson <bjorn.andersson@linaro.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@a88000 {
+ 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";
+ };
+...