diff options
author | Keguang Zhang | 2023-03-21 19:18:14 +0800 |
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committer | Stephen Boyd | 2023-03-21 16:25:49 -0700 |
commit | 12de2f50244efdbc8e98f89a340255c3c847e1dc (patch) | |
tree | f11b83098efa7568e7d928b84d39a68654af0709 | |
parent | fe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff) |
dt-bindings: clock: Add Loongson-1 clock
Add devicetree binding document and related header file
for the Loongson-1 clock.
Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230321111817.71756-2-keguang.zhang@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
-rw-r--r-- | Documentation/devicetree/bindings/clock/loongson,ls1x-clk.yaml | 45 | ||||
-rw-r--r-- | include/dt-bindings/clock/loongson,ls1x-clk.h | 19 |
2 files changed, 64 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/loongson,ls1x-clk.yaml b/Documentation/devicetree/bindings/clock/loongson,ls1x-clk.yaml new file mode 100644 index 000000000000..01561a0f35d5 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/loongson,ls1x-clk.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/loongson,ls1x-clk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson-1 Clock Controller + +maintainers: + - Keguang Zhang <keguang.zhang@gmail.com> + +properties: + compatible: + enum: + - loongson,ls1b-clk + - loongson,ls1c-clk + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + "#clock-cells": + const: 1 + +required: + - compatible + - reg + - clocks + - "#clock-cells" + +additionalProperties: false + +examples: + - | + clkc: clock-controller@1fe78030 { + compatible = "loongson,ls1b-clk"; + reg = <0x1fe78030 0x8>; + + clocks = <&xtal>; + #clock-cells = <1>; + }; + +... diff --git a/include/dt-bindings/clock/loongson,ls1x-clk.h b/include/dt-bindings/clock/loongson,ls1x-clk.h new file mode 100644 index 000000000000..d400e9ac6002 --- /dev/null +++ b/include/dt-bindings/clock/loongson,ls1x-clk.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Loongson-1 clock tree IDs + * + * Copyright (C) 2023 Keguang Zhang <keguang.zhang@gmail.com> + */ + +#ifndef __DT_BINDINGS_CLOCK_LS1X_CLK_H__ +#define __DT_BINDINGS_CLOCK_LS1X_CLK_H__ + +#define LS1X_CLKID_PLL 0 +#define LS1X_CLKID_CPU 1 +#define LS1X_CLKID_DC 2 +#define LS1X_CLKID_AHB 3 +#define LS1X_CLKID_APB 4 + +#define CLK_NR_CLKS (LS1X_CLKID_APB + 1) + +#endif /* __DT_BINDINGS_CLOCK_LS1X_CLK_H__ */ |