| Message ID | 20191004151414.8458-3-krzk@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/3] dt-bindings: arm: samsung: Force clkoutN names to be unique in PMU | expand |
On Fri, Oct 04, 2019 at 05:14:14PM +0200, Krzysztof Kozlowski wrote: > Convert Samsung S3C/S5P/Exynos Serial/UART bindings to DT schema format > using json-schema. > > Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> > --- > .../bindings/mfd/samsung,exynos5433-lpass.txt | 2 +- > .../bindings/serial/samsung_uart.txt | 58 ------- > .../bindings/serial/samsung_uart.yaml | 148 ++++++++++++++++++ > 3 files changed, 149 insertions(+), 59 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/serial/samsung_uart.txt > create mode 100644 Documentation/devicetree/bindings/serial/samsung_uart.yaml > > diff --git a/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt > index d759da606f75..30ea27c3936d 100644 > --- a/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt > +++ b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt > @@ -18,7 +18,7 @@ an optional sub-node. For "samsung,exynos5433-lpass" compatible this includes: > UART, SLIMBUS, PCM, I2S, DMAC, Timers 0...4, VIC, WDT 0...1 devices. > > Bindings of the sub-nodes are described in: > - ../serial/samsung_uart.txt > + ../serial/samsung_uart.yaml > ../sound/samsung-i2s.txt > ../dma/arm-pl330.txt > > diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.txt b/Documentation/devicetree/bindings/serial/samsung_uart.txt > deleted file mode 100644 > index e85f37ec33f0..000000000000 > --- a/Documentation/devicetree/bindings/serial/samsung_uart.txt > +++ /dev/null > @@ -1,58 +0,0 @@ > -* Samsung's UART Controller > - > -The Samsung's UART controller is used for interfacing SoC with serial > -communicaion devices. > - > -Required properties: > -- compatible: should be one of following: > - - "samsung,exynos4210-uart" - Exynos4210 SoC, > - - "samsung,s3c2410-uart" - compatible with ports present on S3C2410 SoC, > - - "samsung,s3c2412-uart" - compatible with ports present on S3C2412 SoC, > - - "samsung,s3c2440-uart" - compatible with ports present on S3C2440 SoC, > - - "samsung,s3c6400-uart" - compatible with ports present on S3C6400 SoC, > - - "samsung,s5pv210-uart" - compatible with ports present on S5PV210 SoC. > - > -- reg: base physical address of the controller and length of memory mapped > - region. > - > -- interrupts: a single interrupt signal to SoC interrupt controller, > - according to interrupt bindings documentation [1]. > - > -- clock-names: input names of clocks used by the controller: > - - "uart" - controller bus clock, > - - "clk_uart_baudN" - Nth baud base clock input (N = 0, 1, ...), > - according to SoC User's Manual (only N = 0 is allowedfor SoCs without > - internal baud clock mux). > -- clocks: phandles and specifiers for all clocks specified in "clock-names" > - property, in the same order, according to clock bindings documentation [2]. > - > -[1] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt > -[2] Documentation/devicetree/bindings/clock/clock-bindings.txt > - > -Optional properties: > -- samsung,uart-fifosize: The fifo size supported by the UART channel > - > -Note: Each Samsung UART should have an alias correctly numbered in the > -"aliases" node, according to serialN format, where N is the port number > -(non-negative decimal integer) as specified by User's Manual of respective > -SoC. > - > -Example: > - aliases { > - serial0 = &uart0; > - serial1 = &uart1; > - serial2 = &uart2; > - }; > - > -Example: > - uart1: serial@7f005400 { > - compatible = "samsung,s3c6400-uart"; > - reg = <0x7f005400 0x100>; > - interrupt-parent = <&vic1>; > - interrupts = <6>; > - clock-names = "uart", "clk_uart_baud2", > - "clk_uart_baud3"; > - clocks = <&clocks PCLK_UART1>, <&clocks PCLK_UART1>, > - <&clocks SCLK_UART>; > - samsung,uart-fifosize = <16>; > - }; > diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml > new file mode 100644 > index 000000000000..276bea1c231a > --- /dev/null > +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml > @@ -0,0 +1,148 @@ > +# SPDX-License-Identifier: GPL-2.0 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/serial/samsung_uart.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Samsung S3C, S5P and Exynos SoC UART Controller > + > +maintainers: > + - Krzysztof Kozlowski <krzk@kernel.org> > + - Greg Kroah-Hartman <gregkh@linuxfoundation.org> > + > +description: |+ > + Each Samsung UART should have an alias correctly numbered in the "aliases" > + node, according to serialN format, where N is the port number (non-negative > + decimal integer) as specified by User's Manual of respective SoC. > + > +properties: > + compatible: > + items: > + - enum: > + - samsung,s3c2410-uart > + - samsung,s3c2412-uart > + - samsung,s3c2440-uart > + - samsung,s3c6400-uart > + - samsung,s5pv210-uart > + - samsung,exynos4210-uart > + > + reg: > + maxItems: 1 > + > + clocks: > + minItems: 2 > + maxItems: 5 > + > + clock-names: > + description: | > + List of clock names: > + - "uart" - controller bus clock, > + - "clk_uart_baudN" - Nth baud base clock input (N = 0, 1, ...). Kind of redundant to list this here. > + N = 0 is allowed for SoCs without internal baud clock mux. You can add a description with the item: items: - pattern: '^clk_uart_baud[0-3]$' description: N = 0 is allowed for SoCs without internal baud clock mux. Or leave it here is fine too. > + minItems: 2 > + maxItems: 5 > + allOf: > + - uniqueItems: true You can drop this. > + - oneOf: > + - items: > + - const: uart > + - pattern: '^clk_uart_baud[0-3]$' > + - items: > + - const: uart > + - pattern: '^clk_uart_baud[0-3]$' > + - pattern: '^clk_uart_baud[0-3]$' > + - items: > + - const: uart > + - pattern: '^clk_uart_baud[0-3]$' > + - pattern: '^clk_uart_baud[0-3]$' > + - pattern: '^clk_uart_baud[0-3]$' > + - items: > + - const: uart > + - pattern: '^clk_uart_baud[0-3]$' > + - pattern: '^clk_uart_baud[0-3]$' > + - pattern: '^clk_uart_baud[0-3]$' > + - pattern: '^clk_uart_baud[0-3]$' You only need the last case. With 'minItems: 2', the additional items here will just be ignored. > + > + interrupts: > + minItems: 1 > + maxItems: 2 What is each item? > + > + samsung,uart-fifosize: > + description: The fifo size supported by the UART channel > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - enum: [16, 64, 256] > + > +required: > + - compatible > + - clocks > + - clock-names > + - interrupts > + - reg > + > +allOf: > + - if: > + properties: > + compatible: > + contains: > + enum: > + - samsung,s3c2410-uart > + - samsung,s5pv210-uart > + then: > + properties: > + clocks: > + minItems: 2 > + maxItems: 3 > + clock-names: > + minItems: 2 > + maxItems: 3 > + allOf: > + - uniqueItems: true > + - oneOf: > + - items: > + - const: uart > + - pattern: '^clk_uart_baud[0-1]$' > + - items: > + - const: uart > + - pattern: '^clk_uart_baud[0-1]$' > + - pattern: '^clk_uart_baud[0-1]$' Similar simplification can be done here. > + > + - if: > + properties: > + compatible: > + contains: > + enum: > + - samsung,exynos4210-uart > + then: > + properties: > + clocks: > + minItems: 2 > + maxItems: 2 > + clock-names: > + minItems: 2 > + maxItems: 2 > + allOf: > + - uniqueItems: true > + - items: > + - const: uart > + - const: clk_uart_baud0 > + > +examples: > + - | > + #include <dt-bindings/clock/samsung,s3c64xx-clock.h> > + > + aliases { > + serial0 = &uart0; > + }; Drop this. It will cause a warning if we enforce 'aliases' to be at the root node. > + > + uart0: serial@7f005000 { > + compatible = "samsung,s3c6400-uart"; > + reg = <0x7f005000 0x100>; > + interrupt-parent = <&vic1>; > + interrupts = <5>; > + clock-names = "uart", "clk_uart_baud2", > + "clk_uart_baud3"; > + clocks = <&clocks PCLK_UART0>, <&clocks PCLK_UART0>, > + <&clocks SCLK_UART>; > + samsung,uart-fifosize = <16>; > + }; > -- > 2.17.1 >
diff --git a/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt index d759da606f75..30ea27c3936d 100644 --- a/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt +++ b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt @@ -18,7 +18,7 @@ an optional sub-node. For "samsung,exynos5433-lpass" compatible this includes: UART, SLIMBUS, PCM, I2S, DMAC, Timers 0...4, VIC, WDT 0...1 devices. Bindings of the sub-nodes are described in: - ../serial/samsung_uart.txt + ../serial/samsung_uart.yaml ../sound/samsung-i2s.txt ../dma/arm-pl330.txt diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.txt b/Documentation/devicetree/bindings/serial/samsung_uart.txt deleted file mode 100644 index e85f37ec33f0..000000000000 --- a/Documentation/devicetree/bindings/serial/samsung_uart.txt +++ /dev/null @@ -1,58 +0,0 @@ -* Samsung's UART Controller - -The Samsung's UART controller is used for interfacing SoC with serial -communicaion devices. - -Required properties: -- compatible: should be one of following: - - "samsung,exynos4210-uart" - Exynos4210 SoC, - - "samsung,s3c2410-uart" - compatible with ports present on S3C2410 SoC, - - "samsung,s3c2412-uart" - compatible with ports present on S3C2412 SoC, - - "samsung,s3c2440-uart" - compatible with ports present on S3C2440 SoC, - - "samsung,s3c6400-uart" - compatible with ports present on S3C6400 SoC, - - "samsung,s5pv210-uart" - compatible with ports present on S5PV210 SoC. - -- reg: base physical address of the controller and length of memory mapped - region. - -- interrupts: a single interrupt signal to SoC interrupt controller, - according to interrupt bindings documentation [1]. - -- clock-names: input names of clocks used by the controller: - - "uart" - controller bus clock, - - "clk_uart_baudN" - Nth baud base clock input (N = 0, 1, ...), - according to SoC User's Manual (only N = 0 is allowedfor SoCs without - internal baud clock mux). -- clocks: phandles and specifiers for all clocks specified in "clock-names" - property, in the same order, according to clock bindings documentation [2]. - -[1] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt -[2] Documentation/devicetree/bindings/clock/clock-bindings.txt - -Optional properties: -- samsung,uart-fifosize: The fifo size supported by the UART channel - -Note: Each Samsung UART should have an alias correctly numbered in the -"aliases" node, according to serialN format, where N is the port number -(non-negative decimal integer) as specified by User's Manual of respective -SoC. - -Example: - aliases { - serial0 = &uart0; - serial1 = &uart1; - serial2 = &uart2; - }; - -Example: - uart1: serial@7f005400 { - compatible = "samsung,s3c6400-uart"; - reg = <0x7f005400 0x100>; - interrupt-parent = <&vic1>; - interrupts = <6>; - clock-names = "uart", "clk_uart_baud2", - "clk_uart_baud3"; - clocks = <&clocks PCLK_UART1>, <&clocks PCLK_UART1>, - <&clocks SCLK_UART>; - samsung,uart-fifosize = <16>; - }; diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml new file mode 100644 index 000000000000..276bea1c231a --- /dev/null +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml @@ -0,0 +1,148 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/samsung_uart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S3C, S5P and Exynos SoC UART Controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + - Greg Kroah-Hartman <gregkh@linuxfoundation.org> + +description: |+ + Each Samsung UART should have an alias correctly numbered in the "aliases" + node, according to serialN format, where N is the port number (non-negative + decimal integer) as specified by User's Manual of respective SoC. + +properties: + compatible: + items: + - enum: + - samsung,s3c2410-uart + - samsung,s3c2412-uart + - samsung,s3c2440-uart + - samsung,s3c6400-uart + - samsung,s5pv210-uart + - samsung,exynos4210-uart + + reg: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 5 + + clock-names: + description: | + List of clock names: + - "uart" - controller bus clock, + - "clk_uart_baudN" - Nth baud base clock input (N = 0, 1, ...). + N = 0 is allowed for SoCs without internal baud clock mux. + minItems: 2 + maxItems: 5 + allOf: + - uniqueItems: true + - oneOf: + - items: + - const: uart + - pattern: '^clk_uart_baud[0-3]$' + - items: + - const: uart + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - items: + - const: uart + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - items: + - const: uart + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + + interrupts: + minItems: 1 + maxItems: 2 + + samsung,uart-fifosize: + description: The fifo size supported by the UART channel + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [16, 64, 256] + +required: + - compatible + - clocks + - clock-names + - interrupts + - reg + +allOf: + - if: + properties: + compatible: + contains: + enum: + - samsung,s3c2410-uart + - samsung,s5pv210-uart + then: + properties: + clocks: + minItems: 2 + maxItems: 3 + clock-names: + minItems: 2 + maxItems: 3 + allOf: + - uniqueItems: true + - oneOf: + - items: + - const: uart + - pattern: '^clk_uart_baud[0-1]$' + - items: + - const: uart + - pattern: '^clk_uart_baud[0-1]$' + - pattern: '^clk_uart_baud[0-1]$' + + - if: + properties: + compatible: + contains: + enum: + - samsung,exynos4210-uart + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + minItems: 2 + maxItems: 2 + allOf: + - uniqueItems: true + - items: + - const: uart + - const: clk_uart_baud0 + +examples: + - | + #include <dt-bindings/clock/samsung,s3c64xx-clock.h> + + aliases { + serial0 = &uart0; + }; + + uart0: serial@7f005000 { + compatible = "samsung,s3c6400-uart"; + reg = <0x7f005000 0x100>; + interrupt-parent = <&vic1>; + interrupts = <5>; + clock-names = "uart", "clk_uart_baud2", + "clk_uart_baud3"; + clocks = <&clocks PCLK_UART0>, <&clocks PCLK_UART0>, + <&clocks SCLK_UART>; + samsung,uart-fifosize = <16>; + };
Convert Samsung S3C/S5P/Exynos Serial/UART bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> --- .../bindings/mfd/samsung,exynos5433-lpass.txt | 2 +- .../bindings/serial/samsung_uart.txt | 58 ------- .../bindings/serial/samsung_uart.yaml | 148 ++++++++++++++++++ 3 files changed, 149 insertions(+), 59 deletions(-) delete mode 100644 Documentation/devicetree/bindings/serial/samsung_uart.txt create mode 100644 Documentation/devicetree/bindings/serial/samsung_uart.yaml