The SMMU-500 driver is already available in Linux kernel. Let's enable it for NS2 in DT. This patch keeps mmu-masters attribute empty so that driver patches can later extend this attribute when adding device DT nodes. Signed-off-by: Anup Patel <anup.patel@xxxxxxxxxxxx> Reviewed-by: Ray Jui <rjui@xxxxxxxxxxxx> Reviewed-by: Scott Branden <sbranden@xxxxxxxxxxxx> --- arch/arm64/boot/dts/broadcom/ns2.dtsi | 41 +++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi index f759175..c5d90e4 100644 --- a/arch/arm64/boot/dts/broadcom/ns2.dtsi +++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi @@ -103,6 +103,47 @@ #size-cells = <1>; ranges = <0 0 0 0xffffffff>; + smmu: mmu@64000000 { + compatible = "arm,mmu-500"; + reg = <0x64000000 0x40000>; + #global-interrupts = <2>; + interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 230 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 231 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 232 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 233 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 234 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 235 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 236 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 237 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 243 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 250 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 253 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 254 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 260 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH>; + mmu-masters; + }; + gic: interrupt-controller@65210000 { compatible = "arm,gic-400"; #interrupt-cells = <3>; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html