Message ID | 20231226122113.v3.6.I8249df4df0b7d12fb68ea1e69f84ca589c574bb1@changeid (mailing list archive) |
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[71.218.50.136]) by smtp.gmail.com with ESMTPSA id gw3-20020a0566381ee300b0046b692e719esm3207609jab.150.2023.12.26.11.22.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Dec 2023 11:22:07 -0800 (PST) From: Mark Hasemeyer <markhas@chromium.org> To: LKML <linux-kernel@vger.kernel.org> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, Rob Herring <robh@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Sudeep Holla <sudeep.holla@arm.com>, Andy Shevchenko <andriy.shevchenko@intel.com>, Raul Rangel <rrangel@chromium.org>, Tzung-Bi Shih <tzungbi@kernel.org>, Mark Hasemeyer <markhas@chromium.org>, Conor Dooley <conor+dt@kernel.org>, Heiko Stuebner <heiko@sntech.de>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: [PATCH v3 06/24] ARM: dts: rockchip: rk3288: Enable cros-ec-spi as wake source Date: Tue, 26 Dec 2023 12:21:10 -0700 Message-ID: <20231226122113.v3.6.I8249df4df0b7d12fb68ea1e69f84ca589c574bb1@changeid> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog In-Reply-To: <20231226192149.1830592-1-markhas@chromium.org> References: <20231226192149.1830592-1-markhas@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231226_112208_646115_0535D5CF X-CRM114-Status: GOOD ( 14.23 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
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diff --git a/arch/arm/boot/dts/rockchip/rk3288-veyron-chromebook.dtsi b/arch/arm/boot/dts/rockchip/rk3288-veyron-chromebook.dtsi index 092316be67f74..1554fe36e60fe 100644 --- a/arch/arm/boot/dts/rockchip/rk3288-veyron-chromebook.dtsi +++ b/arch/arm/boot/dts/rockchip/rk3288-veyron-chromebook.dtsi @@ -112,6 +112,7 @@ cros_ec: ec@0 { pinctrl-names = "default"; pinctrl-0 = <&ec_int>; spi-max-frequency = <3000000>; + wakeup-source; i2c_tunnel: i2c-tunnel { compatible = "google,cros-ec-i2c-tunnel";
The cros_ec driver currently assumes that cros-ec-spi compatible device nodes are a wakeup-source even though the wakeup-source property is not defined. Some Chromebooks use a separate wake pin, while others overload the interrupt for wake and IO. With the current assumption, spurious wakes can occur on systems that use a separate wake pin. It is planned to update the driver to no longer assume that the EC interrupt pin should be enabled for wake. Add the wakeup-source property to all cros-ec-spi compatible device nodes to signify to the driver that they should still be a valid wakeup source. -Commit-changes: 3 -Update commit message to provide details of the motivation behind the change Signed-off-by: Mark Hasemeyer <markhas@chromium.org> --- (no changes since v2) Changes in v2: -Split by arch/soc arch/arm/boot/dts/rockchip/rk3288-veyron-chromebook.dtsi | 1 + 1 file changed, 1 insertion(+)