From: Yangtao Li <frank.li@xxxxxxxx> Document devicetree bindings for the T-HEAD TH1520 AP sub-system clock controller. Signed-off-by: Yangtao Li <frank.li@xxxxxxxx> [add link to reference manual] [fixed dt_binding_check warnings] [revised commit description] Signed-off-by: Drew Fustini <dfustini@xxxxxxxxxxxxxxx> --- .../bindings/clock/thead,th1520-clk-ap.yaml | 65 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 66 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml b/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml new file mode 100644 index 000000000000..53e7802a4ad7 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/thead,th1520-clk-ap.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-HEAD TH1520 AP sub-system clock controller + +description: | + The T-HEAD TH1520 AP sub-system clock controller configures the + CPU, DPU, GMAC and TEE PLLs. + + SoC reference manual + https://openbeagle.org/beaglev-ahead/beaglev-ahead/-/blob/main/docs/TH1520%20System%20User%20Manual.pdf + +maintainers: + - Jisheng Zhang <jszhang@xxxxxxxxxx> + - Wei Fu <wefu@xxxxxxxxxx> + - Yangtao Li <frank.li@xxxxxxxx> + +properties: + compatible: + const: thead,th1520-clk-ap + + reg: + maxItems: 1 + + clocks: + items: + - description: main oscillator (24MHz) + + clock-names: + items: + - const: osc + + "#clock-cells": + const: 1 + description: + See <dt-bindings/clock/thead,th1520-clk.h> for valid indices. + +required: + - compatible + - reg + - clocks + - clock-names + - "#clock-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/thead,th1520-clk.h> + soc { + + #address-cells = <2>; + #size-cells = <2>; + + clk: clock-controller@ffef010000 { + compatible = "thead,th1520-clk-ap"; + reg = <0xff 0xef010000 0x0 0x1000>; + clocks = <&osc>; + clock-names = "osc"; + #clock-cells = <1>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index a52dbf3c5606..dd2398512fc0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18856,6 +18856,7 @@ M: Guo Ren <guoren@xxxxxxxxxx> M: Fu Wei <wefu@xxxxxxxxxx> L: linux-riscv@xxxxxxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml F: arch/riscv/boot/dts/thead/ F: include/dt-bindings/clock/thead,th1520-clk.h -- 2.34.1
