From: Geert Uytterhoeven <geert+renesas@glider.be> To: Rob Herring <robh+dt@kernel.org>, Wolfram Sang <wsa+renesas@sang-engineering.com>, Chris Brandt <chris.brandt@renesas.com> Cc: devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven <geert+renesas@glider.be> Subject: [PATCH 5/6] dt-bindings: i2c: renesas,riic: Convert to json-schema Date: Tue, 4 May 2021 16:51:12 +0200 [thread overview] Message-ID: <e1bb5790675b6f4a518c6a9cbc22eb7452a2f78c.1620138454.git.geert+renesas@glider.be> (raw) In-Reply-To: <cover.1620138454.git.geert+renesas@glider.be> Convert the Renesas RZ/A I2C Bus Interface (RIIC) Device Tree binding documentation to json-schema. Document missing properties. Update the example to match reality. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- .../devicetree/bindings/i2c/renesas,riic.txt | 32 ------- .../devicetree/bindings/i2c/renesas,riic.yaml | 83 +++++++++++++++++++ MAINTAINERS | 2 +- 3 files changed, 84 insertions(+), 33 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/renesas,riic.txt create mode 100644 Documentation/devicetree/bindings/i2c/renesas,riic.yaml diff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.txt b/Documentation/devicetree/bindings/i2c/renesas,riic.txt deleted file mode 100644 index e26fe3ad86a9509f..0000000000000000 --- a/Documentation/devicetree/bindings/i2c/renesas,riic.txt +++ /dev/null @@ -1,32 +0,0 @@ -Device tree configuration for Renesas RIIC driver - -Required properties: -- compatible : - "renesas,riic-r7s72100" if the device is a part of a R7S72100 SoC. - "renesas,riic-r7s9210" if the device is a part of a R7S9210 SoC. - "renesas,riic-rz" for a generic RZ/A compatible device. -- reg : address start and address range size of device -- interrupts : 8 interrupts (TEI, RI, TI, SPI, STI, NAKI, ALI, TMOI) -- clock-frequency : frequency of bus clock in Hz -- #address-cells : should be <1> -- #size-cells : should be <0> - -Pinctrl properties might be needed, too. See there. - -Example: - - i2c0: i2c@fcfee000 { - compatible = "renesas,riic-r7s72100", "renesas,riic-rz"; - reg = <0xfcfee000 0x44>; - interrupts = <0 157 IRQ_TYPE_LEVEL_HIGH>, - <0 158 IRQ_TYPE_EDGE_RISING>, - <0 159 IRQ_TYPE_EDGE_RISING>, - <0 160 IRQ_TYPE_LEVEL_HIGH>, - <0 161 IRQ_TYPE_LEVEL_HIGH>, - <0 162 IRQ_TYPE_LEVEL_HIGH>, - <0 163 IRQ_TYPE_LEVEL_HIGH>, - <0 164 IRQ_TYPE_LEVEL_HIGH>; - clock-frequency = <100000>; - #address-cells = <1>; - #size-cells = <0>; - }; diff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml new file mode 100644 index 0000000000000000..e6951bf451d95cff --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/renesas,riic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/A I2C Bus Interface (RIIC) + +maintainers: + - Chris Brandt <chris.brandt@renesas.com> + - Wolfram Sang <wsa+renesas@sang-engineering.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + oneOf: + - items: + - enum: + - renesas,riic-r7s72100 # RZ/A1H + - renesas,riic-r7s9210 # RZ/A2M + - const: renesas,riic-rz # RZ/A + + reg: + maxItems: 1 + + interrupts: + items: + - description: Transmit End Interrupt (TEI) + - description: Receive Data Full Interrupt (RI) + - description: Transmit Data Empty Interrupt (TI) + - description: Stop Condition Detection Interrupt (SPI) + - description: Start Condition Detection Interrupt (STI) + - description: NACK Reception Interrupt (NAKI) + - description: Arbitration-Lost Interrupt (ALI) + - description: Timeout Interrupt (TMOI) + + clock-frequency: + description: + Desired I2C bus clock frequency in Hz. The absence of this property + indicates the default frequency 100 kHz. + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-frequency + - power-domains + - '#address-cells' + - '#size-cells' + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/r7s72100-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + i2c0: i2c@fcfee000 { + compatible = "renesas,riic-r7s72100", "renesas,riic-rz"; + reg = <0xfcfee000 0x44>; + interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 158 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 159 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp9_clks R7S72100_CLK_I2C0>; + clock-frequency = <100000>; + power-domains = <&cpg_clocks>; + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index c8834d7a1aac0efd..ea519a8ffc6a9356 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15469,7 +15469,7 @@ F: drivers/thermal/rcar_thermal.c RENESAS RIIC DRIVER M: Chris Brandt <chris.brandt@renesas.com> S: Supported -F: Documentation/devicetree/bindings/i2c/renesas,riic.txt +F: Documentation/devicetree/bindings/i2c/renesas,riic.yaml F: drivers/i2c/busses/i2c-riic.c RENESAS USB PHY DRIVER -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Geert Uytterhoeven <geert+renesas@glider.be> To: Rob Herring <robh+dt@kernel.org>, Wolfram Sang <wsa+renesas@sang-engineering.com>, Chris Brandt <chris.brandt@renesas.com> Cc: linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven <geert+renesas@glider.be> Subject: [PATCH 5/6] dt-bindings: i2c: renesas,riic: Convert to json-schema Date: Tue, 4 May 2021 16:35:57 +0200 [thread overview] Message-ID: <e1bb5790675b6f4a518c6a9cbc22eb7452a2f78c.1620138454.git.geert+renesas@glider.be> (raw) In-Reply-To: <cover.1620138454.git.geert+renesas@glider.be> Convert the Renesas RZ/A I2C Bus Interface (RIIC) Device Tree binding documentation to json-schema. Document missing properties. Update the example to match reality. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- .../devicetree/bindings/i2c/renesas,riic.txt | 32 ------- .../devicetree/bindings/i2c/renesas,riic.yaml | 83 +++++++++++++++++++ MAINTAINERS | 2 +- 3 files changed, 84 insertions(+), 33 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/renesas,riic.txt create mode 100644 Documentation/devicetree/bindings/i2c/renesas,riic.yaml diff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.txt b/Documentation/devicetree/bindings/i2c/renesas,riic.txt deleted file mode 100644 index e26fe3ad86a9509f..0000000000000000 --- a/Documentation/devicetree/bindings/i2c/renesas,riic.txt +++ /dev/null @@ -1,32 +0,0 @@ -Device tree configuration for Renesas RIIC driver - -Required properties: -- compatible : - "renesas,riic-r7s72100" if the device is a part of a R7S72100 SoC. - "renesas,riic-r7s9210" if the device is a part of a R7S9210 SoC. - "renesas,riic-rz" for a generic RZ/A compatible device. -- reg : address start and address range size of device -- interrupts : 8 interrupts (TEI, RI, TI, SPI, STI, NAKI, ALI, TMOI) -- clock-frequency : frequency of bus clock in Hz -- #address-cells : should be <1> -- #size-cells : should be <0> - -Pinctrl properties might be needed, too. See there. - -Example: - - i2c0: i2c@fcfee000 { - compatible = "renesas,riic-r7s72100", "renesas,riic-rz"; - reg = <0xfcfee000 0x44>; - interrupts = <0 157 IRQ_TYPE_LEVEL_HIGH>, - <0 158 IRQ_TYPE_EDGE_RISING>, - <0 159 IRQ_TYPE_EDGE_RISING>, - <0 160 IRQ_TYPE_LEVEL_HIGH>, - <0 161 IRQ_TYPE_LEVEL_HIGH>, - <0 162 IRQ_TYPE_LEVEL_HIGH>, - <0 163 IRQ_TYPE_LEVEL_HIGH>, - <0 164 IRQ_TYPE_LEVEL_HIGH>; - clock-frequency = <100000>; - #address-cells = <1>; - #size-cells = <0>; - }; diff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml new file mode 100644 index 0000000000000000..e6951bf451d95cff --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/renesas,riic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/A I2C Bus Interface (RIIC) + +maintainers: + - Chris Brandt <chris.brandt@renesas.com> + - Wolfram Sang <wsa+renesas@sang-engineering.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + oneOf: + - items: + - enum: + - renesas,riic-r7s72100 # RZ/A1H + - renesas,riic-r7s9210 # RZ/A2M + - const: renesas,riic-rz # RZ/A + + reg: + maxItems: 1 + + interrupts: + items: + - description: Transmit End Interrupt (TEI) + - description: Receive Data Full Interrupt (RI) + - description: Transmit Data Empty Interrupt (TI) + - description: Stop Condition Detection Interrupt (SPI) + - description: Start Condition Detection Interrupt (STI) + - description: NACK Reception Interrupt (NAKI) + - description: Arbitration-Lost Interrupt (ALI) + - description: Timeout Interrupt (TMOI) + + clock-frequency: + description: + Desired I2C bus clock frequency in Hz. The absence of this property + indicates the default frequency 100 kHz. + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-frequency + - power-domains + - '#address-cells' + - '#size-cells' + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/r7s72100-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + i2c0: i2c@fcfee000 { + compatible = "renesas,riic-r7s72100", "renesas,riic-rz"; + reg = <0xfcfee000 0x44>; + interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 158 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 159 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp9_clks R7S72100_CLK_I2C0>; + clock-frequency = <100000>; + power-domains = <&cpg_clocks>; + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index c8834d7a1aac0efd..ea519a8ffc6a9356 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15469,7 +15469,7 @@ F: drivers/thermal/rcar_thermal.c RENESAS RIIC DRIVER M: Chris Brandt <chris.brandt@renesas.com> S: Supported -F: Documentation/devicetree/bindings/i2c/renesas,riic.txt +F: Documentation/devicetree/bindings/i2c/renesas,riic.yaml F: drivers/i2c/busses/i2c-riic.c RENESAS USB PHY DRIVER -- 2.25.1
next prev parent reply other threads:[~2021-05-04 14:56 UTC|newest] Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-04 14:35 [PATCH 0/6] dt-bindings: i2c: renesas: Convert to json-schema Geert Uytterhoeven 2021-05-04 14:51 ` Geert Uytterhoeven 2021-05-04 14:35 ` [PATCH 1/6] i2c: rcar: Drop "renesas,i2c-rcar" Geert Uytterhoeven 2021-05-04 14:51 ` Geert Uytterhoeven 2021-05-05 7:18 ` Wolfram Sang 2021-05-28 7:55 ` Wolfram Sang 2021-05-04 14:35 ` [PATCH 2/6] dt-bindings: i2c: renesas,i2c: " Geert Uytterhoeven 2021-05-04 14:51 ` Geert Uytterhoeven 2021-05-05 7:18 ` Wolfram Sang 2021-05-06 20:50 ` Rob Herring 2021-05-28 7:56 ` Wolfram Sang 2021-05-04 14:35 ` [PATCH 3/6] dt-bindings: i2c: renesas,i2c: Convert to json-schema Geert Uytterhoeven 2021-05-04 14:51 ` Geert Uytterhoeven 2021-05-06 20:52 ` Rob Herring 2021-05-28 7:56 ` Wolfram Sang 2021-05-04 14:35 ` [PATCH/RFC 4/6] dt-bindings: i2c: renesas,iic: " Geert Uytterhoeven 2021-05-04 14:51 ` Geert Uytterhoeven 2021-05-05 7:33 ` Wolfram Sang 2021-05-26 14:47 ` Geert Uytterhoeven 2021-05-28 13:51 ` Wolfram Sang 2021-05-28 14:14 ` Geert Uytterhoeven 2021-05-06 20:54 ` Rob Herring 2021-05-04 14:35 ` Geert Uytterhoeven [this message] 2021-05-04 14:51 ` [PATCH 5/6] dt-bindings: i2c: renesas,riic: " Geert Uytterhoeven 2021-05-06 20:56 ` Rob Herring 2021-05-07 6:56 ` Geert Uytterhoeven 2021-05-28 7:56 ` Wolfram Sang 2021-05-04 14:35 ` [PATCH 6/6] dt-bindings: i2c: renesas,iic-emev2: " Geert Uytterhoeven 2021-05-04 14:51 ` Geert Uytterhoeven 2021-05-06 20:57 ` Rob Herring 2021-05-28 7:56 ` Wolfram Sang 2021-05-04 14:42 ` [PATCH 0/6] dt-bindings: i2c: renesas: " Rob Herring 2021-05-04 14:51 ` Geert Uytterhoeven
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