summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml100
1 files changed, 100 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
new file mode 100644
index 000000000..0e7ed0056
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
@@ -0,0 +1,100 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/i2c/qcom,i2c-geni-qcom.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm Geni based QUP I2C Controller
+
+maintainers:
+ - Andy Gross <agross@kernel.org>
+ - Bjorn Andersson <bjorn.andersson@linaro.org>
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+ compatible:
+ const: qcom,geni-i2c
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: se
+
+ clock-frequency:
+ default: 100000
+
+ dmas:
+ maxItems: 2
+
+ dma-names:
+ items:
+ - const: tx
+ - const: rx
+
+ interconnects:
+ maxItems: 3
+
+ interconnect-names:
+ items:
+ - const: qup-core
+ - const: qup-config
+ - const: qup-memory
+
+ interrupts:
+ maxItems: 1
+
+ pinctrl-0: true
+ pinctrl-1: true
+
+ pinctrl-names:
+ minItems: 1
+ items:
+ - const: default
+ - const: sleep
+
+ power-domains:
+ maxItems: 1
+
+ reg:
+ maxItems: 1
+
+ required-opps:
+ maxItems: 1
+
+required:
+ - compatible
+ - interrupts
+ - clocks
+ - clock-names
+ - 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>
+ #include <dt-bindings/power/qcom-rpmpd.h>
+
+ i2c@88000 {
+ compatible = "qcom,geni-i2c";
+ reg = <0x00880000 0x4000>;
+ clock-names = "se";
+ clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&qup_i2c0_default>;
+ interrupts = <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ 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>,
+ <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
+ interconnect-names = "qup-core", "qup-config", "qup-memory";
+ power-domains = <&rpmhpd SC7180_CX>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ };
+...