Hey Jisheng, On Mon, May 08, 2023 at 02:23:00AM +0800, Jisheng Zhang wrote: > The T-HEAD's C910 PLIC still needs the delegation bit settingto allow > access from S-mode, but it doesn't need the edge quirk. > > Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx> > --- > .../bindings/interrupt-controller/sifive,plic-1.0.0.yaml | 4 ++++ > drivers/irqchip/irq-sifive-plic.c | 1 + dt-bindings changes need to be in their own patch. > 2 files changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml > index f75736a061af..64b43a3c3748 100644 > --- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml > +++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml > @@ -62,6 +62,10 @@ properties: > - starfive,jh7110-plic > - canaan,k210-plic > - const: sifive,plic-1.0.0 > + - items: > + - enum: > + - thead,light-plic If "light" is a code name, but "TH1520" is what this is known as to the wider world, I think we should use thead,th1520-plic here. Thanks, Conor. > + - const: thead,c910-plic > - items: > - enum: > - allwinner,sun20i-d1-plic > diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c > index e1484905b7bd..71afa2a584d9 100644 > --- a/drivers/irqchip/irq-sifive-plic.c > +++ b/drivers/irqchip/irq-sifive-plic.c > @@ -569,6 +569,7 @@ static int __init plic_init(struct device_node *node, > } > > IRQCHIP_DECLARE(sifive_plic, "sifive,plic-1.0.0", plic_init); > +IRQCHIP_DECLARE(thead_c910_plic, "thead,c910-plic", plic_init); > IRQCHIP_DECLARE(riscv_plic0, "riscv,plic0", plic_init); /* for legacy systems */ > > static int __init plic_edge_init(struct device_node *node, > -- > 2.40.0 >
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