From mboxrd@z Thu Jan 1 00:00:00 1970 From: mperttunen@nvidia.com (Mikko Perttunen) Date: Mon, 2 Jul 2018 14:40:32 +0300 Subject: [PATCH v3 7/8] arm64: tegra: Add nodes for tcu on Tegra194 In-Reply-To: <20180702114033.15654-1-mperttunen@nvidia.com> References: <20180702114033.15654-1-mperttunen@nvidia.com> Message-ID: <20180702114033.15654-8-mperttunen@nvidia.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Acked-by: Jon Hunter --- Notes: v3: - Added Jon's Acked-by. 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"; reg = <0x03c00000 0xa0000>; - interrupts = ; - interrupt-names = "doorbell"; + interrupts = , + , + , + , + , + , + , + , + ; + interrupt-names = "doorbell", "shared0", "shared1", "shared2", + "shared3", "shared4", "shared5", "shared6", + "shared7"; + #mbox-cells = <2>; + }; + + hsp_aon: hsp at c150000 { + compatible = "nvidia,tegra194-hsp", "nvidia,tegra186-hsp"; + reg = <0x0c150000 0xa0000>; + interrupts = , + , + , + ; + interrupt-names = "shared0", "shared1", "shared2", "shared3"; #mbox-cells = <2>; }; @@ -382,6 +403,13 @@ }; }; + tcu: tcu { + compatible = "nvidia,tegra194-tcu"; + mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_SM 0>, + <&hsp_aon TEGRA_HSP_MBOX_TYPE_SM 1>; + mbox-names = "rx", "tx"; + }; + timer { compatible = "arm,armv8-timer"; interrupts =