Am Montag, 17. Februar 2025, 07:11:42 MEZ schrieb Yao Zi: > There are two types of clocks in RK3528 SoC, CRU-managed and > SCMI-managed. Independent IDs are assigned to them. > > For the reset part, differing from previous Rockchip SoCs and > downstream bindings which embeds register offsets into the IDs, gapless > numbers starting from zero are used. > > Signed-off-by: Yao Zi <ziyao@xxxxxxxxxxx> > --- > .../bindings/clock/rockchip,rk3528-cru.yaml | 64 +++ > .../dt-bindings/clock/rockchip,rk3528-cru.h | 453 ++++++++++++++++++ > .../dt-bindings/reset/rockchip,rk3528-cru.h | 241 ++++++++++ > 3 files changed, 758 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml > create mode 100644 include/dt-bindings/clock/rockchip,rk3528-cru.h > create mode 100644 include/dt-bindings/reset/rockchip,rk3528-cru.h > > diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml > new file mode 100644 > index 000000000000..5a3ec902351c > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml > @@ -0,0 +1,64 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/clock/rockchip,rk3528-cru.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Rockchip RK3528 Clock and Reset Controller > + > +maintainers: > + - Yao Zi <ziyao@xxxxxxxxxxx> > + > +description: | > + The RK3528 clock controller generates the clock and also implements a reset > + controller for SoC peripherals. For example, it provides SCLK_UART0 and > + PCLK_UART0 as well as SRST_P_UART0 and SRST_S_UART0 for the first UART > + module. > + Each clock is assigned an identifier, consumer nodes can use it to specify > + the clock. All available clock and reset IDs are defined in dt-binding > + headers. > + > +properties: > + compatible: > + const: rockchip,rk3528-cru > + > + reg: > + maxItems: 1 > + > + clocks: I do think this needs a minItems: 1 maxItems: 2 or similar. xin24m is the main oscillator everything else is supplied from, so is absolutely required, but that gmac0 supply comes from an (probably) optional clock supply from a mac phy? So is possibly not available on a system without ethernet hardware? Heiko
