From: Thierry Reding <thierry.reding@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jassi Brar <jassisinghbrar@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.com>, Mikko Perttunen <mperttunen@nvidia.com>, Jon Hunter <jonathanh@nvidia.com>, Timo Alho <talho@nvidia.com>, Pekka Pessi <ppessi@nvidia.com>, Mika Liljeberg <mliljeberg@nvidia.com>, linux-tegra@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 6/9] dt-bindings: serial: Add bindings for nvidia,tegra194-tcu Date: Fri, 26 Oct 2018 13:16:35 +0200 [thread overview] Message-ID: <20181026111638.10759-7-thierry.reding@gmail.com> (raw) In-Reply-To: <20181026111638.10759-1-thierry.reding@gmail.com> From: Mikko Perttunen <mperttunen@nvidia.com> Add bindings for the Tegra Combined UART device used to talk to the UART console on Tegra194 systems. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Jon Hunter <jonathanh@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> --- .../bindings/serial/nvidia,tegra194-tcu.txt | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt diff --git a/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt b/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt new file mode 100644 index 000000000000..a8becf6efd2a --- /dev/null +++ b/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt @@ -0,0 +1,35 @@ +NVIDIA Tegra Combined UART (TCU) + +The TCU is a system for sharing a hardware UART instance among multiple +systems within the Tegra SoC. It is implemented through a mailbox- +based protocol where each "virtual UART" has a pair of mailboxes, one +for transmitting and one for receiving, that is used to communicate +with the hardware implementing the TCU. + +Required properties: +- name : Should be tcu +- compatible + Array of strings + One of: + - "nvidia,tegra194-tcu" +- mbox-names: + "rx" - Mailbox for receiving data from hardware UART + "tx" - Mailbox for transmitting data to hardware UART +- mboxes: Mailboxes corresponding to the mbox-names. + +This node is a mailbox consumer. See the following files for details of +the mailbox subsystem, and the specifiers implemented by the relevant +provider(s): + +- .../mailbox/mailbox.txt +- .../mailbox/nvidia,tegra186-hsp.txt + +Example bindings: +----------------- + +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"; +}; -- 2.19.1
WARNING: multiple messages have this Message-ID (diff)
From: thierry.reding@gmail.com (Thierry Reding) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 6/9] dt-bindings: serial: Add bindings for nvidia, tegra194-tcu Date: Fri, 26 Oct 2018 13:16:35 +0200 [thread overview] Message-ID: <20181026111638.10759-7-thierry.reding@gmail.com> (raw) In-Reply-To: <20181026111638.10759-1-thierry.reding@gmail.com> From: Mikko Perttunen <mperttunen@nvidia.com> Add bindings for the Tegra Combined UART device used to talk to the UART console on Tegra194 systems. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Jon Hunter <jonathanh@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> --- .../bindings/serial/nvidia,tegra194-tcu.txt | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt diff --git a/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt b/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt new file mode 100644 index 000000000000..a8becf6efd2a --- /dev/null +++ b/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt @@ -0,0 +1,35 @@ +NVIDIA Tegra Combined UART (TCU) + +The TCU is a system for sharing a hardware UART instance among multiple +systems within the Tegra SoC. It is implemented through a mailbox- +based protocol where each "virtual UART" has a pair of mailboxes, one +for transmitting and one for receiving, that is used to communicate +with the hardware implementing the TCU. + +Required properties: +- name : Should be tcu +- compatible + Array of strings + One of: + - "nvidia,tegra194-tcu" +- mbox-names: + "rx" - Mailbox for receiving data from hardware UART + "tx" - Mailbox for transmitting data to hardware UART +- mboxes: Mailboxes corresponding to the mbox-names. + +This node is a mailbox consumer. See the following files for details of +the mailbox subsystem, and the specifiers implemented by the relevant +provider(s): + +- .../mailbox/mailbox.txt +- .../mailbox/nvidia,tegra186-hsp.txt + +Example bindings: +----------------- + +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"; +}; -- 2.19.1
next prev parent reply other threads:[~2018-10-26 11:16 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-10-26 11:16 [PATCH 0/9] serial: Add Tegra Combined UART driver Thierry Reding 2018-10-26 11:16 ` Thierry Reding 2018-10-26 11:16 ` [PATCH 1/9] mailbox: Support blocking transfers in atomic context Thierry Reding 2018-10-26 11:16 ` Thierry Reding 2018-10-26 11:16 ` [PATCH 2/9] mailbox: Allow multiple controllers per device Thierry Reding 2018-10-26 11:16 ` Thierry Reding 2018-10-26 11:16 ` [PATCH 3/9] dt-bindings: tegra186-hsp: Add shared interrupts Thierry Reding 2018-10-26 11:16 ` Thierry Reding 2018-10-26 11:16 ` [PATCH 4/9] mailbox: tegra-hsp: Add support for shared mailboxes Thierry Reding 2018-10-26 11:16 ` Thierry Reding 2018-10-29 10:04 ` Pekka Pessi 2018-10-29 10:04 ` Pekka Pessi 2018-10-29 10:04 ` Pekka Pessi 2018-10-29 10:39 ` Thierry Reding 2018-10-29 10:39 ` Thierry Reding 2018-10-29 12:25 ` Pekka Pessi 2018-10-29 12:25 ` Pekka Pessi 2018-10-29 12:25 ` Pekka Pessi 2018-10-29 13:16 ` Thierry Reding 2018-10-29 13:16 ` Thierry Reding 2018-10-30 16:15 ` Pekka Pessi 2018-10-30 16:15 ` Pekka Pessi 2018-10-30 16:15 ` Pekka Pessi 2018-10-26 11:16 ` [PATCH 5/9] mailbox: tegra-hsp: Add suspend/resume support Thierry Reding 2018-10-26 11:16 ` Thierry Reding 2018-10-26 11:16 ` Thierry Reding [this message] 2018-10-26 11:16 ` [PATCH 6/9] dt-bindings: serial: Add bindings for nvidia, tegra194-tcu Thierry Reding 2018-10-26 11:16 ` [PATCH 7/9] serial: Add Tegra Combined UART driver Thierry Reding 2018-10-26 11:16 ` Thierry Reding 2018-11-09 17:05 ` Greg Kroah-Hartman 2018-11-09 17:05 ` Greg Kroah-Hartman 2018-11-12 15:30 ` Thierry Reding 2018-11-12 15:30 ` Thierry Reding 2018-11-12 18:03 ` Greg Kroah-Hartman 2018-11-12 18:03 ` Greg Kroah-Hartman 2018-10-26 11:16 ` [PATCH 8/9] arm64: tegra: Add nodes for TCU on Tegra194 Thierry Reding 2018-10-26 11:16 ` Thierry Reding 2018-10-26 11:16 ` [PATCH 9/9] arm64: tegra: Mark TCU as primary serial port on Tegra194 P2888 Thierry Reding 2018-10-26 11:16 ` Thierry Reding 2018-10-29 9:04 ` [PATCH 0/9] serial: Add Tegra Combined UART driver Pekka Pessi 2018-10-29 9:04 ` Pekka Pessi 2018-10-29 9:04 ` Pekka Pessi 2018-10-29 10:11 ` Thierry Reding 2018-10-29 10:11 ` Thierry Reding
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