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author | Ingo Molnar <mingo@kernel.org> | 2019-12-10 10:11:00 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2019-12-10 10:11:00 +0100 |
commit | 2040cf9f59037aa8aec749363e69ead165b67b43 (patch) | |
tree | e9c15448e841cc493bc80b9f658d7955623e86dd /Documentation/devicetree/bindings/serial/sprd-uart.yaml | |
parent | kprobes: Set unoptimized flag after unoptimizing code (diff) | |
parent | Linux 5.5-rc1 (diff) | |
download | linux-dev-2040cf9f59037aa8aec749363e69ead165b67b43.tar.xz linux-dev-2040cf9f59037aa8aec749363e69ead165b67b43.zip |
Merge tag 'v5.5-rc1' into core/kprobes, to resolve conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/serial/sprd-uart.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/serial/sprd-uart.yaml | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.yaml b/Documentation/devicetree/bindings/serial/sprd-uart.yaml new file mode 100644 index 000000000000..e66b2e92a7fc --- /dev/null +++ b/Documentation/devicetree/bindings/serial/sprd-uart.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2019 Unisoc Inc. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/serial/sprd-uart.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Spreadtrum serial UART + +maintainers: + - Orson Zhai <orsonzhai@gmail.com> + - Baolin Wang <baolin.wang7@gmail.com> + - Chunyan Zhang <zhang.lyra@gmail.com> + +properties: + compatible: + oneOf: + - items: + - enum: + - sprd,sc9860-uart + - sprd,sc9863a-uart + - const: sprd,sc9836-uart + - const: sprd,sc9836-uart + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 3 + + clock-names: + description: | + "enable" for UART module enable clock, "uart" for UART clock, "source" + for UART source (parent) clock. + items: + - const: enable + - const: uart + - const: source + + dmas: + minItems: 1 + maxItems: 2 + + dma-names: + minItems: 1 + items: + - const: rx + - const: tx + +required: + - compatible + - reg + - interrupts + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + serial@0 { + compatible = "sprd,sc9860-uart", "sprd,sc9836-uart"; + reg = <0x0 0x100>; + interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>; + dma-names = "rx", "tx"; + dmas = <&ap_dma 19>, <&ap_dma 20>; + clock-names = "enable", "uart", "source"; + clocks = <&clk_ap_apb_gates 9>, <&clk_uart0>, <&ext_26m>; + }; + +... |