From: paul.walmsley@sifive.com (Paul Walmsley) To: linux-riscv@lists.infradead.org Subject: [PATCH v3 1/2] dt-bindings: serial: add documentation for the SiFive UART driver Date: Sat, 20 Oct 2018 03:10:46 -0700 [thread overview] Message-ID: <20181020101045.15991-2-paul.walmsley@sifive.com> (raw) In-Reply-To: <20181020101045.15991-1-paul.walmsley@sifive.com> Add DT binding documentation for the Linux driver for the SiFive asynchronous serial IP block. Cc: linux-serial at vger.kernel.org Cc: devicetree at vger.kernel.org Cc: linux-riscv at lists.infradead.org Cc: linux-kernel at vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Palmer Dabbelt <palmer@sifive.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> --- v3: update description and example for compatible strings, per discussion with Rob Herring. .../bindings/serial/sifive-serial.txt | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/sifive-serial.txt diff --git a/Documentation/devicetree/bindings/serial/sifive-serial.txt b/Documentation/devicetree/bindings/serial/sifive-serial.txt new file mode 100644 index 000000000000..a426b18ba049 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/sifive-serial.txt @@ -0,0 +1,33 @@ +SiFive asynchronous serial interface (UART) + +Required properties: + +- compatible: should be something similar to + "sifive,<chip>-uart<version>" for the UART as integrated + on a particular chip, and "sifive,uart<version>" for the + general UART IP block programming model. Supported + compatible strings as of the date of this writing are: + "sifive,fu540-c000-uart0" for the SiFive UART v0 as + integrated onto the SiFive FU540 chip, or "sifive,uart0" + for the SiFive UART v0 IP block with no chip integration + tweaks (if any) +- reg: address and length of the register space +- interrupts: Should contain the UART interrupt identifier +- clocks: Should contain a clock identifier for the UART's parent clock + + +UART RTL that corresponds to the IP block version numbers can be found +here: + +https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/uart + + +Example: + +uart0: serial at 10010000 { + compatible = "sifive,fu540-c000-uart0", "sifive,uart0"; + interrupt-parent = <&plic0>; + interrupts = <80>; + reg = <0x0 0x10010000 0x0 0x1000>; + clocks = <&prci PRCI_CLK_TLCLK>; +}; -- 2.19.1
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From: Paul Walmsley <paul.walmsley@sifive.com> To: linux-serial@vger.kernel.org Cc: Mark Rutland <mark.rutland@arm.com>, devicetree@vger.kernel.org, Paul Walmsley <paul@pwsan.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Palmer Dabbelt <palmer@sifive.com>, linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, Paul Walmsley <paul.walmsley@sifive.com>, linux-riscv@lists.infradead.org Subject: [PATCH v3 1/2] dt-bindings: serial: add documentation for the SiFive UART driver Date: Sat, 20 Oct 2018 03:10:46 -0700 [thread overview] Message-ID: <20181020101045.15991-2-paul.walmsley@sifive.com> (raw) Message-ID: <20181020101046.qlwf4Zga_vyJZjnJZ3UI4ET5-5tUs1jxTQPfA2J5C74@z> (raw) In-Reply-To: <20181020101045.15991-1-paul.walmsley@sifive.com> Add DT binding documentation for the Linux driver for the SiFive asynchronous serial IP block. Cc: linux-serial@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Palmer Dabbelt <palmer@sifive.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> --- v3: update description and example for compatible strings, per discussion with Rob Herring. .../bindings/serial/sifive-serial.txt | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/sifive-serial.txt diff --git a/Documentation/devicetree/bindings/serial/sifive-serial.txt b/Documentation/devicetree/bindings/serial/sifive-serial.txt new file mode 100644 index 000000000000..a426b18ba049 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/sifive-serial.txt @@ -0,0 +1,33 @@ +SiFive asynchronous serial interface (UART) + +Required properties: + +- compatible: should be something similar to + "sifive,<chip>-uart<version>" for the UART as integrated + on a particular chip, and "sifive,uart<version>" for the + general UART IP block programming model. Supported + compatible strings as of the date of this writing are: + "sifive,fu540-c000-uart0" for the SiFive UART v0 as + integrated onto the SiFive FU540 chip, or "sifive,uart0" + for the SiFive UART v0 IP block with no chip integration + tweaks (if any) +- reg: address and length of the register space +- interrupts: Should contain the UART interrupt identifier +- clocks: Should contain a clock identifier for the UART's parent clock + + +UART RTL that corresponds to the IP block version numbers can be found +here: + +https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/uart + + +Example: + +uart0: serial@10010000 { + compatible = "sifive,fu540-c000-uart0", "sifive,uart0"; + interrupt-parent = <&plic0>; + interrupts = <80>; + reg = <0x0 0x10010000 0x0 0x1000>; + clocks = <&prci PRCI_CLK_TLCLK>; +}; -- 2.19.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2018-10-20 10:10 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-10-20 10:10 [PATCH v3 0/2] tty: serial: add DT bindings and serial driver for the SiFive FU540 UART Paul Walmsley 2018-10-20 10:10 ` Paul Walmsley 2018-10-20 10:10 ` Paul Walmsley [this message] 2018-10-20 10:10 ` [PATCH v3 1/2] dt-bindings: serial: add documentation for the SiFive UART driver Paul Walmsley 2018-10-20 10:10 ` [PATCH v3 2/2] tty: serial: add driver for the SiFive UART Paul Walmsley 2018-10-20 10:10 ` Paul Walmsley 2018-11-15 11:01 ` Emil Renner Berthing 2018-11-15 11:01 ` Emil Renner Berthing 2018-11-15 20:11 ` Paul Walmsley 2018-11-15 20:11 ` Paul Walmsley 2019-03-06 11:08 ` [PATCH v3 0/2] tty: serial: add DT bindings and serial driver for the SiFive FU540 UART Andreas Schwab 2019-04-11 8:54 ` Paul Walmsley 2019-04-11 14:45 ` Andreas Schwab
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