Convert QUP geni-se bindings to DT schema format using json-schema. Signed-off-by: Akash Asthana <akashast@xxxxxxxxxxxxxx> --- Changes in V2: - As per Stephen's comment corrected defintion of interrupts for UART node. Any valid UART node must contain atleast 1 interrupts. .../devicetree/bindings/soc/qcom/qcom,geni-se.txt | 94 ---------- .../devicetree/bindings/soc/qcom/qcom,geni-se.yaml | 197 +++++++++++++++++++++ 2 files changed, 197 insertions(+), 94 deletions(-) delete mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt deleted file mode 100644 index dab7ca9..0000000 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt +++ /dev/null @@ -1,94 +0,0 @@ -Qualcomm Technologies, Inc. GENI Serial Engine QUP Wrapper Controller - -Generic Interface (GENI) based Qualcomm Universal Peripheral (QUP) wrapper -is a programmable module for supporting a wide range of serial interfaces -like UART, SPI, I2C, I3C, etc. A single QUP module can provide upto 8 Serial -Interfaces, using its internal Serial Engines. The GENI Serial Engine QUP -Wrapper controller is modeled as a node with zero or more child nodes each -representing a serial engine. - -Required properties: -- compatible: Must be "qcom,geni-se-qup". -- reg: Must contain QUP register address and length. -- clock-names: Must contain "m-ahb" and "s-ahb". -- clocks: AHB clocks needed by the device. - -Required properties if child node exists: -- #address-cells: Must be <1> for Serial Engine Address -- #size-cells: Must be <1> for Serial Engine Address Size -- ranges: Must be present - -Properties for children: - -A GENI based QUP wrapper controller node can contain 0 or more child nodes -representing serial devices. These serial devices can be a QCOM UART, I2C -controller, SPI controller, or some combination of aforementioned devices. -Please refer below the child node definitions for the supported serial -interface protocols. - -Qualcomm Technologies Inc. GENI Serial Engine based I2C Controller - -Required properties: -- compatible: Must be "qcom,geni-i2c". -- reg: Must contain QUP register address and length. -- interrupts: Must contain I2C interrupt. -- clock-names: Must contain "se". -- clocks: Serial engine core clock needed by the device. -- #address-cells: Must be <1> for I2C device address. -- #size-cells: Must be <0> as I2C addresses have no size component. - -Optional property: -- clock-frequency: Desired I2C bus clock frequency in Hz. - When missing default to 100000Hz. - -Child nodes should conform to I2C bus binding as described in i2c.txt. - -Qualcomm Technologies Inc. GENI Serial Engine based UART Controller - -Required properties: -- compatible: Must be "qcom,geni-debug-uart" or "qcom,geni-uart". -- reg: Must contain UART register location and length. -- interrupts: Must contain UART core interrupts. -- clock-names: Must contain "se". -- clocks: Serial engine core clock needed by the device. - -Qualcomm Technologies Inc. GENI Serial Engine based SPI Controller -node binding is described in -Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt. - -Example: - geniqup@8c0000 { - compatible = "qcom,geni-se-qup"; - reg = <0x8c0000 0x6000>; - clock-names = "m-ahb", "s-ahb"; - clocks = <&clock_gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>, - <&clock_gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>; - #address-cells = <1>; - #size-cells = <1>; - ranges; - - i2c0: i2c@a94000 { - compatible = "qcom,geni-i2c"; - reg = <0xa94000 0x4000>; - interrupts = <GIC_SPI 358 IRQ_TYPE_LEVEL_HIGH>; - clock-names = "se"; - clocks = <&clock_gcc GCC_QUPV3_WRAP0_S5_CLK>; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&qup_1_i2c_5_active>; - pinctrl-1 = <&qup_1_i2c_5_sleep>; - #address-cells = <1>; - #size-cells = <0>; - }; - - uart0: serial@a88000 { - compatible = "qcom,geni-debug-uart"; - reg = <0xa88000 0x7000>; - interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>; - clock-names = "se"; - clocks = <&clock_gcc GCC_QUPV3_WRAP0_S0_CLK>; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&qup_1_uart_3_active>; - pinctrl-1 = <&qup_1_uart_3_sleep>; - }; - - } diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml new file mode 100644 index 0000000..5ba0e0e --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml @@ -0,0 +1,197 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,geni-se.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: GENI Serial Engine QUP Wrapper Controller + +maintainers: + - Mukesh Savaliya <msavaliy@xxxxxxxxxxxxxx> + - Akash Asthana <akashast@xxxxxxxxxxxxxx> + +description: | + Generic Interface (GENI) based Qualcomm Universal Peripheral (QUP) wrapper + is a programmable module for supporting a wide range of serial interfaces + like UART, SPI, I2C, I3C, etc. A single QUP module can provide upto 8 Serial + Interfaces, using its internal Serial Engines. The GENI Serial Engine QUP + Wrapper controller is modeled as a node with zero or more child nodes each + representing a serial engine. + +properties: + compatible: + enum: + - qcom,geni-se-qup + + reg: + description: QUP wrapper common register address and length. + + clock-names: + items: + - const: m-ahb + - const: s-ahb + + clocks: + minItems: 2 + maxItems: 2 + items: + - description: Master AHB Clock + - description: Slave AHB Clock + + "#address-cells": + const: 2 + + "#size-cells": + const: 2 + + ranges: true + +required: + - compatible + - reg + - clocks + - clock-names + - "#address-cells" + - "#size-cells" + - ranges + +patternProperties: + "[i2c|spi]@[0-9]+$": + type: object + description: GENI Serial Engine based I2C and SPI Controller. + SPI in master mode supports up to 50MHz, up to four chip + selects, programmable data path from 4 bits to 32 bits and + numerous protocol variants. + + properties: + compatible: + enum: + - qcom,geni-i2c + - qcom,geni-spi + + reg: + description: GENI Serial Engine register address and length. + + interrupts: + maxItems: 1 + + clock-names: + const: se + + clocks: + description: Serial engine core clock needed by the device. + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + clock-frequency: + description: Desired I2C bus clock frequency in Hz. + default: 100000 + + required: + - compatible + - reg + - interrupts + - clock-names + - clocks + - "#address-cells" + - "#size-cells" + + "serial@[0-9]+$": + type: object + description: GENI Serial Engine based UART Controller. + + properties: + compatible: + enum: + - qcom,geni-uart + - qcom,geni-debug-uart + + reg: + description: GENI Serial Engine register address and length. + + interrupts: + minItems: 1 + maxItems: 2 + items: + - description: UART core irq + - description: Wakeup irq (RX GPIO) + + clock-names: + const: se + + clocks: + description: Serial engine core clock needed by the device. + maxItems: 1 + + required: + - compatible + - reg + - interrupts + - clock-names + - clocks + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-sdm845.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + soc: soc@0 { + #address-cells = <2>; + #size-cells = <2>; + + qupv3_id_0: geniqup@8c0000 { + compatible = "qcom,geni-se-qup"; + reg = <0 0x008c0000 0 0x6000>; + clocks = <&gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>, + <&gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + status = "disabled"; + + i2c0: i2c@880000 { + compatible = "qcom,geni-i2c"; + reg = <0 0x00880000 0 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>; + status = "disabled"; + }; + + spi0: spi@880000 { + compatible = "qcom,geni-spi"; + reg = <0 0x00880000 0 0x4000>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>; + pinctrl-names = "default"; + pinctrl-0 = <&qup_spi0_default>; + interrupts = <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + uart0: serial@880000 { + compatible = "qcom,geni-uart"; + reg = <0 0x00880000 0 0x4000>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>; + pinctrl-names = "default"; + pinctrl-0 = <&qup_uart0_default>; + interrupts = <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>; + status = "disabled"; + }; + }; + }; + +... -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project