summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml')
-rw-r--r--Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml89
1 files changed, 89 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml
new file mode 100644
index 000000000..f43947514
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/qcom,i2c-qup.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Universal Peripheral (QUP) I2C controller
+
+maintainers:
+ - Andy Gross <agross@kernel.org>
+ - Bjorn Andersson <bjorn.andersson@linaro.org>
+ - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - qcom,i2c-qup-v1.1.1 # for 8660, 8960 and 8064
+ - qcom,i2c-qup-v2.1.1 # for 8974 v1
+ - qcom,i2c-qup-v2.2.1 # for 8974 v2 and later
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: core
+ - const: iface
+
+ clock-frequency:
+ default: 100000
+
+ dmas:
+ maxItems: 2
+
+ dma-names:
+ items:
+ - const: tx
+ - const: rx
+
+ interrupts:
+ maxItems: 1
+
+ pinctrl-0: true
+ pinctrl-1: true
+
+ pinctrl-names:
+ minItems: 1
+ items:
+ - const: default
+ - const: sleep
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - clock-names
+ - clocks
+ - interrupts
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gcc-msm8998.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ i2c@c175000 {
+ compatible = "qcom,i2c-qup-v2.2.1";
+ reg = <0x0c175000 0x600>;
+ interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
+
+ clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>,
+ <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "core", "iface";
+ dmas = <&blsp1_dma 6>, <&blsp1_dma 7>;
+ dma-names = "tx", "rx";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&blsp1_i2c1_default>;
+ pinctrl-1 = <&blsp1_i2c1_sleep>;
+ clock-frequency = <400000>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };