From mboxrd@z Thu Jan 1 00:00:00 1970 From: jonathanh@nvidia.com (Jon Hunter) Date: Tue, 22 May 2018 17:28:26 +0100 Subject: [PATCH 7/8] arm64: tegra: Add nodes for tcu on Tegra194 In-Reply-To: <20180508114403.14499-8-mperttunen@nvidia.com> References: <20180508114403.14499-1-mperttunen@nvidia.com> <20180508114403.14499-8-mperttunen@nvidia.com> Message-ID: <295c8125-6cdc-92b6-d0d7-01bf6ba0f8bd@nvidia.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 08/05/18 12:44, Mikko Perttunen wrote: > Add nodes required for communication through the Tegra Combined UART. > This includes the AON HSP instance, addition of shared interrupts > for the TOP0 HSP instance, and finally the TCU node itself. Also > mark the HSP instances as compatible to tegra194-hsp, as the hardware > is not identical but is compatible to tegra186-hsp. > > Signed-off-by: Mikko Perttunen > --- > arch/arm64/boot/dts/nvidia/tegra194.dtsi | 34 +++++++++++++++++++++++++++++--- > 1 file changed, 31 insertions(+), 3 deletions(-) > > diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi > index 6d699815a84f..d7f780b06fe2 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi > +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi > @@ -217,10 +217,31 @@ > }; > > hsp_top0: hsp at 3c00000 { > - compatible = "nvidia,tegra186-hsp"; > + compatible = "nvidia,tegra194-hsp", "nvidia,tegra186-hsp"; I might be wrong, but I think we may need to update the binding doc compatibility property for hsp. For example see 'Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-flowctrl.txt'. Cheers Jon -- nvpublic