diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial/samsung_uart.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/samsung_uart.yaml | 159 |
1 files changed, 134 insertions, 25 deletions
diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml index 9d2ce347875b..75ac2a08f257 100644 --- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/serial/samsung_uart.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Samsung S3C, S5P and Exynos SoC UART Controller +title: Samsung S3C, S5P, Exynos, and S5L (Apple SoC) SoC UART Controller maintainers: - Krzysztof Kozlowski <krzk@kernel.org> @@ -17,43 +17,81 @@ description: |+ properties: compatible: - items: + oneOf: - enum: - - samsung,s3c2410-uart - - samsung,s3c2412-uart - - samsung,s3c2440-uart + - apple,s5l-uart + - axis,artpec8-uart + - google,gs101-uart - samsung,s3c6400-uart - samsung,s5pv210-uart - samsung,exynos4210-uart + - samsung,exynos5433-uart + - samsung,exynos850-uart + - samsung,exynos8895-uart + - items: + - enum: + - samsung,exynos2200-uart + - const: google,gs101-uart + - items: + - enum: + - samsung,exynos7-uart + - tesla,fsd-uart + - const: samsung,exynos4210-uart + - items: + - enum: + - samsung,exynos7885-uart + - const: samsung,exynos5433-uart + - items: + - enum: + - samsung,exynosautov9-uart + - samsung,exynosautov920-uart + - const: samsung,exynos850-uart + - items: + - enum: + - axis,artpec9-uart + - samsung,exynos7870-uart + - samsung,exynos8890-uart + - const: samsung,exynos8895-uart reg: maxItems: 1 + reg-io-width: + description: | + The size (in bytes) of the IO accesses that should be performed + on the device. + enum: [ 1, 4 ] + clocks: minItems: 2 maxItems: 5 clock-names: - description: N = 0 is allowed for SoCs without internal baud clock mux. minItems: 2 maxItems: 5 + + dmas: + items: + - description: DMA controller phandle and request line for RX + - description: DMA controller phandle and request line for TX + + dma-names: items: - - const: uart - - pattern: '^clk_uart_baud[0-3]$' - - pattern: '^clk_uart_baud[0-3]$' - - pattern: '^clk_uart_baud[0-3]$' - - pattern: '^clk_uart_baud[0-3]$' + - const: rx + - const: tx interrupts: description: RX interrupt and optionally TX interrupt. minItems: 1 maxItems: 2 + power-domains: + maxItems: 1 + samsung,uart-fifosize: description: The fifo size supported by the UART channel. - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - enum: [16, 64, 256] + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [16, 64, 256] required: - compatible @@ -63,43 +101,98 @@ required: - reg allOf: + - $ref: serial.yaml# + - if: properties: compatible: contains: enum: - - samsung,s3c2410-uart - - samsung,s5pv210-uart + - samsung,s3c6400-uart then: properties: clocks: - minItems: 2 + minItems: 3 maxItems: 3 + + clock-names: + items: + - const: uart + - const: clk_uart_baud2 + - const: clk_uart_baud3 + + else: + properties: clock-names: minItems: 2 - maxItems: 3 items: - const: uart - - pattern: '^clk_uart_baud[0-1]$' - - pattern: '^clk_uart_baud[0-1]$' + - const: clk_uart_baud0 + - const: clk_uart_baud1 + - const: clk_uart_baud2 + - const: clk_uart_baud3 + + - if: + properties: + compatible: + contains: + enum: + - samsung,s5pv210-uart + then: + properties: + clocks: + minItems: 3 + maxItems: 3 + + clock-names: + minItems: 3 + maxItems: 3 - if: properties: compatible: contains: enum: + - apple,s5l-uart + - axis,artpec8-uart - samsung,exynos4210-uart + - samsung,exynos5433-uart then: properties: clocks: - minItems: 2 maxItems: 2 + clock-names: - minItems: 2 maxItems: 2 - items: - - const: uart - - const: clk_uart_baud0 + + - if: + properties: + compatible: + contains: + enum: + - google,gs101-uart + - samsung,exynos8895-uart + then: + required: + - samsung,uart-fifosize + properties: + clocks: + maxItems: 2 + + clock-names: + maxItems: 2 + + - if: + properties: + compatible: + contains: + enum: + - google,gs101-uart + then: + properties: + reg-io-width: false + +unevaluatedProperties: false examples: - | @@ -116,3 +209,19 @@ examples: <&clocks SCLK_UART>; samsung,uart-fifosize = <16>; }; + - | + #include <dt-bindings/clock/google,gs101.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + serial_0: serial@10a00000 { + compatible = "google,gs101-uart"; + reg = <0x10a00000 0xc0>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_PERIC0_TOP1_PCLK_0>, + <&cmu_peric0 CLK_GOUT_PERIC0_PERIC0_TOP1_IPCLK_0>; + clock-names = "uart", "clk_uart_baud0"; + interrupts = <GIC_SPI 634 IRQ_TYPE_LEVEL_HIGH 0>; + pinctrl-0 = <&uart0_bus>; + pinctrl-names = "default"; + samsung,uart-fifosize = <256>; + }; |