From: Pi-Hsun Shih <pihsun@chromium.org> To: unlisted-recipients:; (no To-header on input) Cc: Pi-Hsun Shih <pihsun@chromium.org>, Rob Herring <robh@kernel.org>, Lee Jones <lee.jones@linaro.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Benson Leung <bleung@chromium.org>, Enric Balletbo i Serra <enric.balletbo@collabora.com>, Guenter Roeck <groeck@chromium.org>, devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v9 5/7] dt-bindings: Add binding for cros-ec-rpmsg. Date: Fri, 31 May 2019 15:38:46 +0800 [thread overview] Message-ID: <20190531073848.155444-6-pihsun@chromium.org> (raw) In-Reply-To: <20190531073848.155444-1-pihsun@chromium.org> Add a DT binding documentation for ChromeOS EC driver over rpmsg. Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org> Acked-by: Rob Herring <robh@kernel.org> --- Changes from v8, v7, v6: - No change. Changes from v5: - New patch. --- Documentation/devicetree/bindings/mfd/cros-ec.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mfd/cros-ec.txt b/Documentation/devicetree/bindings/mfd/cros-ec.txt index 6245c9b1a68b..4860eabd0f72 100644 --- a/Documentation/devicetree/bindings/mfd/cros-ec.txt +++ b/Documentation/devicetree/bindings/mfd/cros-ec.txt @@ -3,7 +3,7 @@ ChromeOS Embedded Controller Google's ChromeOS EC is a Cortex-M device which talks to the AP and implements various function such as keyboard and battery charging. -The EC can be connect through various means (I2C, SPI, LPC) and the +The EC can be connect through various means (I2C, SPI, LPC, RPMSG) and the compatible string used depends on the interface. Each connection method has its own driver which connects to the top level interface-agnostic EC driver. Other Linux driver (such as cros-ec-keyb for the matrix keyboard) connect to @@ -17,6 +17,9 @@ Required properties (SPI): - compatible: "google,cros-ec-spi" - reg: SPI chip select +Required properties (RPMSG): +- compatible: "google,cros-ec-rpmsg" + Optional properties (SPI): - google,cros-ec-spi-pre-delay: Some implementations of the EC need a little time to wake up from sleep before they can receive SPI transfers at a high -- 2.22.0.rc1.257.g3120a18244-goog
WARNING: multiple messages have this Message-ID (diff)
From: Pi-Hsun Shih <pihsun@chromium.org> Cc: Pi-Hsun Shih <pihsun@chromium.org>, Rob Herring <robh@kernel.org>, Lee Jones <lee.jones@linaro.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Benson Leung <bleung@chromium.org>, Enric Balletbo i Serra <enric.balletbo@collabora.com>, Guenter Roeck <groeck@chromium.org>, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@vger.kernel.org>, open list <linux-kernel@vger.kernel.org> Subject: [PATCH v9 5/7] dt-bindings: Add binding for cros-ec-rpmsg. Date: Fri, 31 May 2019 15:38:46 +0800 [thread overview] Message-ID: <20190531073848.155444-6-pihsun@chromium.org> (raw) In-Reply-To: <20190531073848.155444-1-pihsun@chromium.org> Add a DT binding documentation for ChromeOS EC driver over rpmsg. Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org> Acked-by: Rob Herring <robh@kernel.org> --- Changes from v8, v7, v6: - No change. Changes from v5: - New patch. --- Documentation/devicetree/bindings/mfd/cros-ec.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mfd/cros-ec.txt b/Documentation/devicetree/bindings/mfd/cros-ec.txt index 6245c9b1a68b..4860eabd0f72 100644 --- a/Documentation/devicetree/bindings/mfd/cros-ec.txt +++ b/Documentation/devicetree/bindings/mfd/cros-ec.txt @@ -3,7 +3,7 @@ ChromeOS Embedded Controller Google's ChromeOS EC is a Cortex-M device which talks to the AP and implements various function such as keyboard and battery charging. -The EC can be connect through various means (I2C, SPI, LPC) and the +The EC can be connect through various means (I2C, SPI, LPC, RPMSG) and the compatible string used depends on the interface. Each connection method has its own driver which connects to the top level interface-agnostic EC driver. Other Linux driver (such as cros-ec-keyb for the matrix keyboard) connect to @@ -17,6 +17,9 @@ Required properties (SPI): - compatible: "google,cros-ec-spi" - reg: SPI chip select +Required properties (RPMSG): +- compatible: "google,cros-ec-rpmsg" + Optional properties (SPI): - google,cros-ec-spi-pre-delay: Some implementations of the EC need a little time to wake up from sleep before they can receive SPI transfers at a high -- 2.22.0.rc1.257.g3120a18244-goog
next prev parent reply other threads:[~2019-05-31 7:39 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-31 7:38 [PATCH v9 0/7] Add support for mt8183 SCP Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` [PATCH v9 1/7] dt-bindings: Add a binding for Mediatek SCP Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` [PATCH v9 2/7] remoteproc/mediatek: add SCP support for mt8183 Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` [PATCH v9 3/7] remoteproc: mt8183: add reserved memory manager API Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` [PATCH v9 4/7] rpmsg: add rpmsg support for mt8183 SCP Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih [this message] 2019-05-31 7:38 ` [PATCH v9 5/7] dt-bindings: Add binding for cros-ec-rpmsg Pi-Hsun Shih 2019-06-04 17:57 ` Benson Leung 2019-06-04 17:57 ` Benson Leung 2019-05-31 7:38 ` [PATCH v9 6/7] mfd: cros_ec: differentiate SCP from EC by feature bit Pi-Hsun Shih 2019-05-31 8:54 ` Enric Balletbo i Serra 2019-06-04 17:55 ` Benson Leung 2019-05-31 7:38 ` [PATCH v9 7/7] arm64: dts: mt8183: add scp node Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih 2019-05-31 7:38 ` Pi-Hsun Shih
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