* [PATCH v2 0/1] dt-bindings-aspeed-i2 Convert to yaml format @ 2021-05-27 10:25 Jamin Lin 2021-05-27 10:25 ` [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt " Jamin Lin 0 siblings, 1 reply; 6+ messages in thread From: Jamin Lin @ 2021-05-27 10:25 UTC (permalink / raw) To: Rob Herring, Joel Stanley, Andrew Jeffery, Brendan Higgins, Benjamin Herrenschmidt, Rayn Chen, open list:I2C SUBSYSTEM HOST DRIVERS, open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, moderated list:ARM/ASPEED MACHINE SUPPORT, moderated list:ARM/ASPEED MACHINE SUPPORT, open list, moderated list:ARM/ASPEED I2C DRIVER Cc: ryan_chen, chin-ting_kuo, troy_lee, steven_lee Change review issue since v1 1. add multi-master to boolean type property 2. add maxItems to reset and clock property Jamin Lin (1): dt-bindings: aspeed-i2c: Convert txt to yaml format .../devicetree/bindings/i2c/aspeed,i2c.yaml | 86 +++++++++++++++++++ .../devicetree/bindings/i2c/i2c-aspeed.txt | 49 ----------- 2 files changed, 86 insertions(+), 49 deletions(-) create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt to yaml format 2021-05-27 10:25 [PATCH v2 0/1] dt-bindings-aspeed-i2 Convert to yaml format Jamin Lin @ 2021-05-27 10:25 ` Jamin Lin 2021-05-27 23:20 ` Andrew Jeffery 2021-06-02 20:17 ` Rob Herring 0 siblings, 2 replies; 6+ messages in thread From: Jamin Lin @ 2021-05-27 10:25 UTC (permalink / raw) To: Rob Herring, Joel Stanley, Andrew Jeffery, Brendan Higgins, Benjamin Herrenschmidt, Rayn Chen, open list:I2C SUBSYSTEM HOST DRIVERS, open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, moderated list:ARM/ASPEED MACHINE SUPPORT, moderated list:ARM/ASPEED MACHINE SUPPORT, open list, moderated list:ARM/ASPEED I2C DRIVER Cc: ryan_chen, chin-ting_kuo, troy_lee, steven_lee Convert aspeed i2c to yaml. Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com> --- .../devicetree/bindings/i2c/aspeed,i2c.yaml | 86 +++++++++++++++++++ .../devicetree/bindings/i2c/i2c-aspeed.txt | 49 ----------- 2 files changed, 86 insertions(+), 49 deletions(-) create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml new file mode 100644 index 000000000000..1f7064d77708 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device Tree Bindings + +maintainers: + - Rayn Chen <rayn_chen@aspeedtech.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + enum: + - aspeed,ast2400-i2c-bus + - aspeed,ast2500-i2c-bus + - aspeed,ast2600-i2c-bus + + "#size-cells": + const: 0 + + "#address-cells": + const: 1 + + reg: + minItems: 1 + maxItems: 2 + items: + - description: address offset and range of bus + - description: address offset and range of bus buffer + + interrupts: + maxItems: 1 + description: interrupt number + + clocks: + maxItems: 1 + description: + root clock of bus, should reference the APB + clock in the second cell + + reset: + maxItems: 1 + description: phandle to reset controller with the reset number in + the second cell + + bus-frequency: + minimum: 500 + maximum: 4000000 + default: 100000 + description: frequency of the bus clock in Hz defaults to 100 kHz when not + specified + + multi-master: + type: boolean + description: + states that there is another master active on this bus + +required: + - reg + - compatible + - clocks + - resets + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/aspeed-clock.h> + i2c0: i2c-bus@40 { + #address-cells = <1>; + #size-cells = <0>; + #interrupt-cells = <1>; + reg = <0x40 0x40>; + compatible = "aspeed,ast2500-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB>; + resets = <&syscon ASPEED_RESET_I2C>; + bus-frequency = <100000>; + interrupts = <0>; + interrupt-parent = <&i2c_ic>; + status = "disabled"; + /* Does not need pinctrl properties */ + }; diff --git a/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt b/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt deleted file mode 100644 index b47f6ccb196a..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt +++ /dev/null @@ -1,49 +0,0 @@ -Device tree configuration for the I2C busses on the AST24XX, AST25XX, and AST26XX SoCs. - -Required Properties: -- #address-cells : should be 1 -- #size-cells : should be 0 -- reg : address offset and range of bus -- compatible : should be "aspeed,ast2400-i2c-bus" - or "aspeed,ast2500-i2c-bus" - or "aspeed,ast2600-i2c-bus" -- clocks : root clock of bus, should reference the APB - clock in the second cell -- resets : phandle to reset controller with the reset number in - the second cell -- interrupts : interrupt number - -Optional Properties: -- bus-frequency : frequency of the bus clock in Hz defaults to 100 kHz when not - specified -- multi-master : states that there is another master active on this bus. - -Example: - -i2c { - compatible = "simple-bus"; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0 0x1e78a000 0x1000>; - - i2c_ic: interrupt-controller@0 { - #interrupt-cells = <1>; - compatible = "aspeed,ast2400-i2c-ic"; - reg = <0x0 0x40>; - interrupts = <12>; - interrupt-controller; - }; - - i2c0: i2c-bus@40 { - #address-cells = <1>; - #size-cells = <0>; - #interrupt-cells = <1>; - reg = <0x40 0x40>; - compatible = "aspeed,ast2400-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB>; - resets = <&syscon ASPEED_RESET_I2C>; - bus-frequency = <100000>; - interrupts = <0>; - interrupt-parent = <&i2c_ic>; - }; -}; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt to yaml format 2021-05-27 10:25 ` [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt " Jamin Lin @ 2021-05-27 23:20 ` Andrew Jeffery 2021-05-28 1:44 ` Jamin Lin 2021-06-02 20:17 ` Rob Herring 1 sibling, 1 reply; 6+ messages in thread From: Andrew Jeffery @ 2021-05-27 23:20 UTC (permalink / raw) To: Jamin Lin, Rob Herring, Joel Stanley, Brendan Higgins, Benjamin Herrenschmidt, Rayn Chen, open list:I2C SUBSYSTEM HOST DRIVERS, open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, moderated list:ARM/ASPEED MACHINE SUPPORT, moderated list:ARM/ASPEED MACHINE SUPPORT, open list, moderated list:ARM/ASPEED I2C DRIVER Cc: Ryan Chen, Chin-Ting Kuo, Troy Lee, Steven Lee On Thu, 27 May 2021, at 19:55, Jamin Lin wrote: > Convert aspeed i2c to yaml. > > Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com> > --- > .../devicetree/bindings/i2c/aspeed,i2c.yaml | 86 +++++++++++++++++++ > .../devicetree/bindings/i2c/i2c-aspeed.txt | 49 ----------- > 2 files changed, 86 insertions(+), 49 deletions(-) > create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt > > diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > new file mode 100644 > index 000000000000..1f7064d77708 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > @@ -0,0 +1,86 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device > Tree Bindings > + > +maintainers: > + - Rayn Chen <rayn_chen@aspeedtech.com> > + > +allOf: > + - $ref: /schemas/i2c/i2c-controller.yaml# > + > +properties: > + compatible: > + enum: > + - aspeed,ast2400-i2c-bus > + - aspeed,ast2500-i2c-bus > + - aspeed,ast2600-i2c-bus > + > + "#size-cells": > + const: 0 > + > + "#address-cells": > + const: 1 > + > + reg: > + minItems: 1 > + maxItems: 2 > + items: > + - description: address offset and range of bus > + - description: address offset and range of bus buffer > + > + interrupts: > + maxItems: 1 > + description: interrupt number > + > + clocks: > + maxItems: 1 > + description: > + root clock of bus, should reference the APB > + clock in the second cell > + > + reset: > + maxItems: 1 > + description: phandle to reset controller with the reset number in > + the second cell > + > + bus-frequency: > + minimum: 500 > + maximum: 4000000 > + default: 100000 > + description: frequency of the bus clock in Hz defaults to 100 kHz > when not > + specified > + > + multi-master: > + type: boolean > + description: > + states that there is another master active on this bus > + > +required: > + - reg > + - compatible > + - clocks > + - resets > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/aspeed-clock.h> > + i2c0: i2c-bus@40 { > + #address-cells = <1>; > + #size-cells = <0>; > + #interrupt-cells = <1>; > + reg = <0x40 0x40>; > + compatible = "aspeed,ast2500-i2c-bus"; > + clocks = <&syscon ASPEED_CLK_APB>; > + resets = <&syscon ASPEED_RESET_I2C>; > + bus-frequency = <100000>; > + interrupts = <0>; > + interrupt-parent = <&i2c_ic>; > + status = "disabled"; > + /* Does not need pinctrl properties */ Note this actually isn't right and someone (me?) needs to send a patch to fix the devicetree(s) - the I2C mux properties for bus 0 and 1 just don't have a group, and so SCL and SDA need to be muxed individually. I expect we wound up with this comment by a lack of a match for an erroneous grep. Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt to yaml format 2021-05-27 23:20 ` Andrew Jeffery @ 2021-05-28 1:44 ` Jamin Lin 0 siblings, 0 replies; 6+ messages in thread From: Jamin Lin @ 2021-05-28 1:44 UTC (permalink / raw) To: Andrew Jeffery Cc: Rob Herring, Joel Stanley, Brendan Higgins, Benjamin Herrenschmidt, Rayn Chen, open list:I2C SUBSYSTEM HOST DRIVERS, open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, moderated list:ARM/ASPEED MACHINE SUPPORT, moderated list:ARM/ASPEED MACHINE SUPPORT, open list, moderated list:ARM/ASPEED I2C DRIVER, Ryan Chen, Chin-Ting Kuo, Troy Lee, Steven Lee The 05/27/2021 23:20, Andrew Jeffery wrote: > > > On Thu, 27 May 2021, at 19:55, Jamin Lin wrote: > > Convert aspeed i2c to yaml. > > > > Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com> > > --- > > .../devicetree/bindings/i2c/aspeed,i2c.yaml | 86 +++++++++++++++++++ > > .../devicetree/bindings/i2c/i2c-aspeed.txt | 49 ----------- > > 2 files changed, 86 insertions(+), 49 deletions(-) > > create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > > delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt > > > > diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > > b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > > new file mode 100644 > > index 000000000000..1f7064d77708 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > > @@ -0,0 +1,86 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device > > Tree Bindings > > + > > +maintainers: > > + - Rayn Chen <rayn_chen@aspeedtech.com> > > + > > +allOf: > > + - $ref: /schemas/i2c/i2c-controller.yaml# > > + > > +properties: > > + compatible: > > + enum: > > + - aspeed,ast2400-i2c-bus > > + - aspeed,ast2500-i2c-bus > > + - aspeed,ast2600-i2c-bus > > + > > + "#size-cells": > > + const: 0 > > + > > + "#address-cells": > > + const: 1 > > + > > + reg: > > + minItems: 1 > > + maxItems: 2 > > + items: > > + - description: address offset and range of bus > > + - description: address offset and range of bus buffer > > + > > + interrupts: > > + maxItems: 1 > > + description: interrupt number > > + > > + clocks: > > + maxItems: 1 > > + description: > > + root clock of bus, should reference the APB > > + clock in the second cell > > + > > + reset: > > + maxItems: 1 > > + description: phandle to reset controller with the reset number in > > + the second cell > > + > > + bus-frequency: > > + minimum: 500 > > + maximum: 4000000 > > + default: 100000 > > + description: frequency of the bus clock in Hz defaults to 100 kHz > > when not > > + specified > > + > > + multi-master: > > + type: boolean > > + description: > > + states that there is another master active on this bus > > + > > +required: > > + - reg > > + - compatible > > + - clocks > > + - resets > > + > > +unevaluatedProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/clock/aspeed-clock.h> > > + i2c0: i2c-bus@40 { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + #interrupt-cells = <1>; > > + reg = <0x40 0x40>; > > + compatible = "aspeed,ast2500-i2c-bus"; > > + clocks = <&syscon ASPEED_CLK_APB>; > > + resets = <&syscon ASPEED_RESET_I2C>; > > + bus-frequency = <100000>; > > + interrupts = <0>; > > + interrupt-parent = <&i2c_ic>; > > + status = "disabled"; > > + /* Does not need pinctrl properties */ > > Note this actually isn't right and someone (me?) needs to send a patch > to fix the devicetree(s) - the I2C mux properties for bus 0 and 1 just > don't have a group, and so SCL and SDA need to be muxed individually. > > I expect we wound up with this comment by a lack of a match for an > erroneous grep. > > Andrew Understand. Can I change the example as the following or can you give me any suggestion? i2c0: i2c-bus@40 { #address-cells = <1>; #size-cells = <0>; #interrupt-cells = <1>; reg = <0x40 0x40>; compatible = "aspeed,ast2500-i2c-bus"; clocks = <&syscon ASPEED_CLK_APB>; resets = <&syscon ASPEED_RESET_I2C>; bus-frequency = <100000>; interrupts = <0>; interrupt-parent = <&i2c_ic>; Thanks-Jamin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt to yaml format 2021-05-27 10:25 ` [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt " Jamin Lin 2021-05-27 23:20 ` Andrew Jeffery @ 2021-06-02 20:17 ` Rob Herring 2021-06-03 1:46 ` Jamin Lin 1 sibling, 1 reply; 6+ messages in thread From: Rob Herring @ 2021-06-02 20:17 UTC (permalink / raw) To: Jamin Lin Cc: Joel Stanley, Andrew Jeffery, Brendan Higgins, Benjamin Herrenschmidt, Rayn Chen, open list:I2C SUBSYSTEM HOST DRIVERS, open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, moderated list:ARM/ASPEED MACHINE SUPPORT, moderated list:ARM/ASPEED MACHINE SUPPORT, open list, moderated list:ARM/ASPEED I2C DRIVER, ryan_chen, chin-ting_kuo, troy_lee, steven_lee On Thu, May 27, 2021 at 06:25:05PM +0800, Jamin Lin wrote: > Convert aspeed i2c to yaml. > > Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com> > --- > .../devicetree/bindings/i2c/aspeed,i2c.yaml | 86 +++++++++++++++++++ > .../devicetree/bindings/i2c/i2c-aspeed.txt | 49 ----------- > 2 files changed, 86 insertions(+), 49 deletions(-) > create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt > > diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > new file mode 100644 > index 000000000000..1f7064d77708 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > @@ -0,0 +1,86 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device Tree Bindings > + > +maintainers: > + - Rayn Chen <rayn_chen@aspeedtech.com> > + > +allOf: > + - $ref: /schemas/i2c/i2c-controller.yaml# > + > +properties: > + compatible: > + enum: > + - aspeed,ast2400-i2c-bus > + - aspeed,ast2500-i2c-bus > + - aspeed,ast2600-i2c-bus > + > + "#size-cells": > + const: 0 > + > + "#address-cells": > + const: 1 These 2 are covered by i2c-controller.yaml. > + > + reg: > + minItems: 1 > + maxItems: 2 > + items: > + - description: address offset and range of bus > + - description: address offset and range of bus buffer > + > + interrupts: > + maxItems: 1 > + description: interrupt number Drop. Not a useful description. > + > + clocks: > + maxItems: 1 > + description: > + root clock of bus, should reference the APB > + clock in the second cell > + > + reset: resets > + maxItems: 1 > + description: phandle to reset controller with the reset number in > + the second cell No need to describe the format of 'resets'. > + > + bus-frequency: > + minimum: 500 > + maximum: 4000000 > + default: 100000 > + description: frequency of the bus clock in Hz defaults to 100 kHz when not > + specified > + > + multi-master: > + type: boolean > + description: > + states that there is another master active on this bus > + > +required: > + - reg > + - compatible > + - clocks > + - resets > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/aspeed-clock.h> > + i2c0: i2c-bus@40 { > + #address-cells = <1>; > + #size-cells = <0>; > + #interrupt-cells = <1>; > + reg = <0x40 0x40>; > + compatible = "aspeed,ast2500-i2c-bus"; Convention is compatible first in the list of properties. > + clocks = <&syscon ASPEED_CLK_APB>; > + resets = <&syscon ASPEED_RESET_I2C>; > + bus-frequency = <100000>; > + interrupts = <0>; > + interrupt-parent = <&i2c_ic>; > + status = "disabled"; Don't show status in examples especially when disabling disables some validation... > + /* Does not need pinctrl properties */ > + }; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt to yaml format 2021-06-02 20:17 ` Rob Herring @ 2021-06-03 1:46 ` Jamin Lin 0 siblings, 0 replies; 6+ messages in thread From: Jamin Lin @ 2021-06-03 1:46 UTC (permalink / raw) To: Rob Herring Cc: Joel Stanley, Andrew Jeffery, Brendan Higgins, Benjamin Herrenschmidt, Rayn Chen, open list:I2C SUBSYSTEM HOST DRIVERS, open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, moderated list:ARM/ASPEED MACHINE SUPPORT, moderated list:ARM/ASPEED MACHINE SUPPORT, open list, moderated list:ARM/ASPEED I2C DRIVER, Ryan Chen, Chin-Ting Kuo, Troy Lee, Steven Lee The 06/02/2021 20:17, Rob Herring wrote: > On Thu, May 27, 2021 at 06:25:05PM +0800, Jamin Lin wrote: > > Convert aspeed i2c to yaml. > > > > Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com> > > --- > > .../devicetree/bindings/i2c/aspeed,i2c.yaml | 86 +++++++++++++++++++ > > .../devicetree/bindings/i2c/i2c-aspeed.txt | 49 ----------- > > 2 files changed, 86 insertions(+), 49 deletions(-) > > create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > > delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt > > > > diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > > new file mode 100644 > > index 000000000000..1f7064d77708 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > > @@ -0,0 +1,86 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device Tree Bindings > > + > > +maintainers: > > + - Rayn Chen <rayn_chen@aspeedtech.com> > > + > > +allOf: > > + - $ref: /schemas/i2c/i2c-controller.yaml# > > + > > +properties: > > + compatible: > > + enum: > > + - aspeed,ast2400-i2c-bus > > + - aspeed,ast2500-i2c-bus > > + - aspeed,ast2600-i2c-bus > > + > > + "#size-cells": > > + const: 0 > > + > > + "#address-cells": > > + const: 1 > > These 2 are covered by i2c-controller.yaml. > Will remove them. > > + > > + reg: > > + minItems: 1 > > + maxItems: 2 > > + items: > > + - description: address offset and range of bus > > + - description: address offset and range of bus buffer > > + > > + interrupts: > > + maxItems: 1 > > + description: interrupt number > > Drop. Not a useful description. > Will remove it. > > + > > + clocks: > > + maxItems: 1 > > + description: > > + root clock of bus, should reference the APB > > + clock in the second cell > > + > > + reset: > > resets > Thanks to find the typo. > > + maxItems: 1 > > + description: phandle to reset controller with the reset number in > > + the second cell > > No need to describe the format of 'resets'. > > > + > > + bus-frequency: > > + minimum: 500 > > + maximum: 4000000 > > + default: 100000 > > + description: frequency of the bus clock in Hz defaults to 100 kHz when not > > + specified > > + > > + multi-master: > > + type: boolean > > + description: > > + states that there is another master active on this bus > > + > > +required: > > + - reg > > + - compatible > > + - clocks > > + - resets > > + > > +unevaluatedProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/clock/aspeed-clock.h> > > + i2c0: i2c-bus@40 { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + #interrupt-cells = <1>; > > + reg = <0x40 0x40>; > > + compatible = "aspeed,ast2500-i2c-bus"; > > Convention is compatible first in the list of properties. > Will move compatible first in the list of properties. > > + clocks = <&syscon ASPEED_CLK_APB>; > > + resets = <&syscon ASPEED_RESET_I2C>; > > + bus-frequency = <100000>; > > + interrupts = <0>; > > + interrupt-parent = <&i2c_ic>; > > + status = "disabled"; > > Don't show status in examples especially when disabling disables some > validation... > Will remove it. > > + /* Does not need pinctrl properties */ > > + }; Thanks for your suggestion. I will send v3 patch. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-06-03 1:50 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2021-05-27 10:25 [PATCH v2 0/1] dt-bindings-aspeed-i2 Convert to yaml format Jamin Lin 2021-05-27 10:25 ` [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt " Jamin Lin 2021-05-27 23:20 ` Andrew Jeffery 2021-05-28 1:44 ` Jamin Lin 2021-06-02 20:17 ` Rob Herring 2021-06-03 1:46 ` Jamin Lin
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