From: Samuel Holland <samuel@sholland.org> To: Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jassi Brar <jassisinghbrar@gmail.com>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Sudeep Holla <sudeep.holla@arm.com>, Philipp Zabel <p.zabel@pengutronix.de>, Ondrej Jirman <megous@megous.com>, Vasily Khoruzhick <anarsoul@gmail.com> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Samuel Holland <samuel@sholland.org> Subject: [PATCH v5 2/8] dt-bindings: mailbox: Add a sun6i message box binding Date: Sat, 14 Dec 2019 22:24:49 -0600 [thread overview] Message-ID: <20191215042455.51001-3-samuel@sholland.org> (raw) In-Reply-To: <20191215042455.51001-1-samuel@sholland.org> This mailbox hardware is present in Allwinner sun6i, sun8i, sun9i, and sun50i SoCs. Add a device tree binding for it. As it has only been tested on the A83T, A64, H3/H5, and H6 SoCs, only those compatibles are included. Signed-off-by: Samuel Holland <samuel@sholland.org> --- .../mailbox/allwinner,sun6i-a31-msgbox.yaml | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml diff --git a/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml b/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml new file mode 100644 index 000000000000..dd746e07acfd --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mailbox/allwinner,sun6i-a31-msgbox.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner sunxi Message Box + +maintainers: + - Samuel Holland <samuel@sholland.org> + +description: | + The hardware message box on sun6i, sun8i, sun9i, and sun50i SoCs is a + two-user mailbox controller containing 8 unidirectional FIFOs. An interrupt + is raised for received messages, but software must poll to know when a + transmitted message has been acknowledged by the remote user. Each FIFO can + hold four 32-bit messages; when a FIFO is full, clients must wait before + attempting more transmissions. + + Refer to ./mailbox.txt for generic information about mailbox device-tree + bindings. + +properties: + compatible: + items: + - enum: + - allwinner,sun8i-a83t-msgbox + - allwinner,sun8i-h3-msgbox + - allwinner,sun50i-a64-msgbox + - allwinner,sun50i-h6-msgbox + - const: allwinner,sun6i-a31-msgbox + + reg: + items: + - description: MMIO register range + + clocks: + maxItems: 1 + description: bus clock + + resets: + maxItems: 1 + description: bus reset + + interrupts: + maxItems: 1 + description: controller interrupt + + '#mbox-cells': + const: 1 + +required: + - compatible + - reg + - clocks + - resets + - interrupts + - '#mbox-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/sun8i-h3-ccu.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/reset/sun8i-h3-ccu.h> + + msgbox: mailbox@1c17000 { + compatible = "allwinner,sun8i-h3-msgbox", + "allwinner,sun6i-a31-msgbox"; + reg = <0x01c17000 0x1000>; + clocks = <&ccu CLK_BUS_MSGBOX>; + resets = <&ccu RST_BUS_MSGBOX>; + interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; + #mbox-cells = <1>; + }; + +... -- 2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Samuel Holland <samuel@sholland.org> To: Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jassi Brar <jassisinghbrar@gmail.com>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Sudeep Holla <sudeep.holla@arm.com>, Philipp Zabel <p.zabel@pengutronix.de>, Ondrej Jirman <megous@megous.com>, Vasily Khoruzhick <anarsoul@gmail.com> Cc: devicetree@vger.kernel.org, Samuel Holland <samuel@sholland.org>, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 2/8] dt-bindings: mailbox: Add a sun6i message box binding Date: Sat, 14 Dec 2019 22:24:49 -0600 [thread overview] Message-ID: <20191215042455.51001-3-samuel@sholland.org> (raw) In-Reply-To: <20191215042455.51001-1-samuel@sholland.org> This mailbox hardware is present in Allwinner sun6i, sun8i, sun9i, and sun50i SoCs. Add a device tree binding for it. As it has only been tested on the A83T, A64, H3/H5, and H6 SoCs, only those compatibles are included. Signed-off-by: Samuel Holland <samuel@sholland.org> --- .../mailbox/allwinner,sun6i-a31-msgbox.yaml | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml diff --git a/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml b/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml new file mode 100644 index 000000000000..dd746e07acfd --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mailbox/allwinner,sun6i-a31-msgbox.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner sunxi Message Box + +maintainers: + - Samuel Holland <samuel@sholland.org> + +description: | + The hardware message box on sun6i, sun8i, sun9i, and sun50i SoCs is a + two-user mailbox controller containing 8 unidirectional FIFOs. An interrupt + is raised for received messages, but software must poll to know when a + transmitted message has been acknowledged by the remote user. Each FIFO can + hold four 32-bit messages; when a FIFO is full, clients must wait before + attempting more transmissions. + + Refer to ./mailbox.txt for generic information about mailbox device-tree + bindings. + +properties: + compatible: + items: + - enum: + - allwinner,sun8i-a83t-msgbox + - allwinner,sun8i-h3-msgbox + - allwinner,sun50i-a64-msgbox + - allwinner,sun50i-h6-msgbox + - const: allwinner,sun6i-a31-msgbox + + reg: + items: + - description: MMIO register range + + clocks: + maxItems: 1 + description: bus clock + + resets: + maxItems: 1 + description: bus reset + + interrupts: + maxItems: 1 + description: controller interrupt + + '#mbox-cells': + const: 1 + +required: + - compatible + - reg + - clocks + - resets + - interrupts + - '#mbox-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/sun8i-h3-ccu.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/reset/sun8i-h3-ccu.h> + + msgbox: mailbox@1c17000 { + compatible = "allwinner,sun8i-h3-msgbox", + "allwinner,sun6i-a31-msgbox"; + reg = <0x01c17000 0x1000>; + clocks = <&ccu CLK_BUS_MSGBOX>; + resets = <&ccu RST_BUS_MSGBOX>; + interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; + #mbox-cells = <1>; + }; + +... -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-12-15 4:25 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-15 4:24 [PATCH v5 0/8] Allwinner sun6i message box support Samuel Holland 2019-12-15 4:24 ` Samuel Holland 2019-12-15 4:24 ` [PATCH v5 1/8] clk: sunxi-ng: Mark msgbox clocks as critical Samuel Holland 2019-12-15 4:24 ` Samuel Holland 2019-12-16 14:00 ` Maxime Ripard 2019-12-16 14:00 ` Maxime Ripard 2019-12-15 4:24 ` Samuel Holland [this message] 2019-12-15 4:24 ` [PATCH v5 2/8] dt-bindings: mailbox: Add a sun6i message box binding Samuel Holland 2019-12-16 14:04 ` Maxime Ripard 2019-12-16 14:04 ` Maxime Ripard 2019-12-16 19:45 ` Samuel Holland 2019-12-16 19:45 ` Samuel Holland 2019-12-26 10:14 ` Maxime Ripard 2019-12-26 10:14 ` Maxime Ripard 2019-12-15 4:24 ` [PATCH v5 3/8] mailbox: sun6i-msgbox: Add a new mailbox driver Samuel Holland 2019-12-15 4:24 ` Samuel Holland 2020-01-02 12:06 ` Philipp Zabel 2020-01-02 12:06 ` Philipp Zabel 2019-12-15 4:24 ` [PATCH v5 4/8] ARM: dts: sunxi: a83t: Add msgbox node Samuel Holland 2019-12-15 4:24 ` Samuel Holland 2019-12-15 4:24 ` [PATCH v5 5/8] ARM: dts: sunxi: h3/h5: " Samuel Holland 2019-12-15 4:24 ` Samuel Holland 2019-12-15 4:24 ` [PATCH v5 6/8] arm64: dts: allwinner: a64: " Samuel Holland 2019-12-15 4:24 ` Samuel Holland 2019-12-15 4:24 ` [PATCH v5 7/8] arm64: dts: allwinner: h6: " Samuel Holland 2019-12-15 4:24 ` Samuel Holland 2019-12-15 4:24 ` [PATCH v5 8/8] firmware: arm_scpi: Support unidirectional mailbox channels Samuel Holland 2019-12-15 4:24 ` Samuel Holland 2019-12-18 18:48 ` Sudeep Holla 2019-12-18 18:48 ` Sudeep Holla
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