On Wed, Dec 11, 2024 at 11:22:49AM +0800, Jason-JH.Lin wrote: > Add the Global Command Engine (GCE) header file to define the GCE > thread priority, GCE subsys ID and GCE events for MT8196. This we see from the diff. What we do not see is why priority is a binding. Looking briefly at existing code: it is not a binding, there is no driver user. > > Signed-off-by: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx> > --- > .../dt-bindings/mailbox/mediatek,mt8196-gce.h | 1439 +++++++++++++++++ > 1 file changed, 1439 insertions(+) > create mode 100644 include/dt-bindings/mailbox/mediatek,mt8196-gce.h > > diff --git a/include/dt-bindings/mailbox/mediatek,mt8196-gce.h b/include/dt-bindings/mailbox/mediatek,mt8196-gce.h > new file mode 100644 > index 000000000000..860d69100157 > --- /dev/null > +++ b/include/dt-bindings/mailbox/mediatek,mt8196-gce.h > @@ -0,0 +1,1439 @@ > +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ > +/* > + * Copyright (c) 2024 MediaTek Inc. > + * > + */ > + > +#ifndef _DT_BINDINGS_GCE_MT8196_H > +#define _DT_BINDINGS_GCE_MT8196_H > + > +/* GCE thread priority */ > +#define CMDQ_THR_PRIO_LOWEST 0 > +#define CMDQ_THR_PRIO_1 1 > +#define CMDQ_THR_PRIO_2 2 > +#define CMDQ_THR_PRIO_3 3 > +#define CMDQ_THR_PRIO_4 4 > +#define CMDQ_THR_PRIO_5 5 > +#define CMDQ_THR_PRIO_6 6 > +#define CMDQ_THR_PRIO_HIGHEST 7 > + > +/* GCE subsys table */ > +#define SUBSYS_1300XXXX 0 > +#define SUBSYS_1400XXXX 1 > +#define SUBSYS_1401XXXX 2 > +#define SUBSYS_1402XXXX 3 > +#define SUBSYS_1502XXXX 4 > +#define SUBSYS_1880XXXX 5 > +#define SUBSYS_1881XXXX 6 > +#define SUBSYS_1882XXXX 7 > +#define SUBSYS_1883XXXX 8 > +#define SUBSYS_1884XXXX 9 > +#define SUBSYS_1000XXXX 10 > +#define SUBSYS_1001XXXX 11 > +#define SUBSYS_1002XXXX 12 > +#define SUBSYS_1003XXXX 13 > +#define SUBSYS_1004XXXX 14 > +#define SUBSYS_1005XXXX 15 > +#define SUBSYS_1020XXXX 16 > +#define SUBSYS_1028XXXX 17 > +#define SUBSYS_1700XXXX 18 > +#define SUBSYS_1701XXXX 19 > +#define SUBSYS_1702XXXX 20 > +#define SUBSYS_1703XXXX 21 > +#define SUBSYS_1800XXXX 22 > +#define SUBSYS_1801XXXX 23 > +#define SUBSYS_1802XXXX 24 > +#define SUBSYS_1804XXXX 25 > +#define SUBSYS_1805XXXX 26 > +#define SUBSYS_1808XXXX 27 > +#define SUBSYS_180aXXXX 28 > +#define SUBSYS_180bXXXX 29 > +#define SUBSYS_NO_SUPPORT 99 > + > +/* > + * GCE General Purpose Register (GPR) support > + * Leave note for scenario usage here > + */ > +/* GCE: write mask */ That's a definite no-go. Register masks are not bindings. > +#define GCE_GPR_R00 0x0 > +#define GCE_GPR_R01 0x1 Best regards, Krzysztof
