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[34.78.140.88]) by smtp.gmail.com with ESMTPSA id o10-20020a5d62ca000000b00337d4ce6ab4sm3341868wrv.20.2024.01.19.03.11.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jan 2024 03:11:48 -0800 (PST) From: Tudor Ambarus To: peter.griffin@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org Cc: andi.shyti@kernel.org, alim.akhtar@samsung.com, s.nawrocki@samsung.com, tomasz.figa@gmail.com, cw00.choi@samsung.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, willmcvicker@google.com, kernel-team@android.com, Tudor Ambarus , Wolfram Sang , Rob Herring Subject: [PATCH v4 2/8] dt-bindings: i2c: exynos5: add google,gs101-hsi2c compatible Date: Fri, 19 Jan 2024 11:11:26 +0000 Message-ID: <20240119111132.1290455-3-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.43.0.429.g432eaa2c6b-goog In-Reply-To: <20240119111132.1290455-1-tudor.ambarus@linaro.org> References: <20240119111132.1290455-1-tudor.ambarus@linaro.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add google,gs101-hsi2c dedicated compatible for representing I2C of Google GS101 SoC. Acked-by: Wolfram Sang Acked-by: Rob Herring Reviewed-by: Sam Protsenko Reviewed-by: Peter Griffin Signed-off-by: Tudor Ambarus --- Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml b/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml index df9c57bca2a8..cc8bba5537b9 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml @@ -33,6 +33,7 @@ properties: - const: samsung,exynos7-hsi2c - items: - enum: + - google,gs101-hsi2c - samsung,exynos850-hsi2c - const: samsung,exynosautov9-hsi2c - const: samsung,exynos5-hsi2c # Exynos5250 and Exynos5420 From patchwork Fri Jan 19 11:11:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 764074 Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7CB534CE0F for ; Fri, 19 Jan 2024 11:11:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705662715; cv=none; b=sVzqNwuAL6W64EHtRkqbEeYTkNmfUhr1Aa98fBdnfZDCP0CNQR7FIoJDjjUVlBGIaYhqtwaLwB4P85jIgDWSYWmRQjuE1nLCPJclMHheKhYre6wIoQsS88dmnylehK2Bz6VZii6ClTVp+kLuYtEufbjhrz6BSn/Xbi0vAfS99Ks= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705662715; c=relaxed/simple; bh=ll3DEYGeH8ZhZJgGGkbdKZTUz6Fb1jCFDA13FeOkVVU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=thcbNtGG5RsPYKxAOSPhl1P0J+BrLrxZb5XzMtYflbndgCq1iYQ9v+A70KufWjrB30mA0+KwNyGN94/eWFC6A36AoJkXiWyY8trc6Wm3OnY/X+Z5ewcqFJOmHgsdOxjwaxdSGPMo39/eQtCP0KMAJ/zKqKof8Fi14THt1+j423g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=T6m69d+e; arc=none smtp.client-ip=209.85.221.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="T6m69d+e" Received: by mail-wr1-f52.google.com with SMTP id ffacd0b85a97d-336746c7b6dso506127f8f.0 for ; Fri, 19 Jan 2024 03:11:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1705662712; x=1706267512; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Kmoj2ktoPsbPmlsDcpfD/T2RAgfFkzb1A8UxvOaNUC0=; b=T6m69d+eAxB7sySw3xnTUqt6BuzF9RBfXaGWKtSmDUQQ79QhvPzHwAq3bF97mH/dTW MkGj969nxOCzXCQ7KNj/9ldHY8C7rqzMEU5Rt9z1pGaHUTtVqqaTvF7veAaUtym4IcuL dN5E2S+ZB89JDJLI7JlTJNJXsIFqH/Nna0QG4iFo47BFJjmh5K36jE+HbXC89kZ2DCPj D5PakHtasmhwnfxzkUs+epggs6DS0UniYkaDIRgeE5QdsALNvXKQzNH5wp/3fK7xwWrL MuPrY+6Cix9xPmmvQYE3oZqCCUYVwpNXZHdhs//iF4Pc8Ux5eqquoC6O/4QJsPCyggig 6maQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705662712; x=1706267512; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Kmoj2ktoPsbPmlsDcpfD/T2RAgfFkzb1A8UxvOaNUC0=; b=HcfuIvjDZqCHld9XguFzhARJ9lpXHlAA1ZmfWThj17eSxPJ087AKKoER46HYVe1qgk g+HBWg1tHjD0hIzLgLmJh+qq/0sQz5TDHtV7CJRXkJy38/qeVe/gn+QHiMIn+yRcyQgn SA5WqSzBSujZ9stL+3MWEpZVH0wOmiyFysR+l38tDzcJI3T/FdtqOJPK3gA+RCrGg14g 6VexYqSXSRdqEnkasmh1DoZ1mEst188c25iDyEc66P6zrP1rJhcnYBlM1rD1VgKjooig 2vkq4yFpe0O9Qfr0BT9FULKMKeLMPk+qRPgHtI9xhLoVYT0OssFarK+I+inMDOllt8MJ 7WLQ== X-Gm-Message-State: AOJu0YxjWV+xL75M9WTKvSzTyI7JOe23qhIz8Ns4xGgG5EKXI+8QIKMA cx6I6ApEh0JL2+1TR2harI4fnNmneEVheC1ybrs6EVp+k94dWr4835w1ObaZEEc= X-Google-Smtp-Source: AGHT+IE6UGIuaWhe9PeL0tRLx7x2fZr6EP8zmEAW/WSGxSmRD4govtvG9uJd/VWwLIAEKLQLWvKK2w== X-Received: by 2002:a5d:468c:0:b0:336:4b14:bed9 with SMTP id u12-20020a5d468c000000b003364b14bed9mr1605282wrq.6.1705662711797; Fri, 19 Jan 2024 03:11:51 -0800 (PST) Received: from ta2.c.googlers.com.com (88.140.78.34.bc.googleusercontent.com. [34.78.140.88]) by smtp.gmail.com with ESMTPSA id o10-20020a5d62ca000000b00337d4ce6ab4sm3341868wrv.20.2024.01.19.03.11.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jan 2024 03:11:50 -0800 (PST) From: Tudor Ambarus To: peter.griffin@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org Cc: andi.shyti@kernel.org, alim.akhtar@samsung.com, s.nawrocki@samsung.com, tomasz.figa@gmail.com, cw00.choi@samsung.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, willmcvicker@google.com, kernel-team@android.com, Tudor Ambarus Subject: [PATCH v4 4/8] arm64: dts: exynos: gs101: remove reg-io-width from serial Date: Fri, 19 Jan 2024 11:11:28 +0000 Message-ID: <20240119111132.1290455-5-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.43.0.429.g432eaa2c6b-goog In-Reply-To: <20240119111132.1290455-1-tudor.ambarus@linaro.org> References: <20240119111132.1290455-1-tudor.ambarus@linaro.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Remove the reg-io-width property in order to comply with the bindings. The entire bus (PERIC) on which the GS101 serial resides only allows 32-bit register accesses. The reg-io-width dt property is disallowed for the "google,gs101-uart" compatible and instead the iotype is inferred from the compatible. Reviewed-by: Peter Griffin Reviewed-by: Sam Protsenko Signed-off-by: Tudor Ambarus --- arch/arm64/boot/dts/exynos/google/gs101.dtsi | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi index d838e3a7af6e..4e5f4c748906 100644 --- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi +++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi @@ -366,7 +366,6 @@ usi_uart: usi@10a000c0 { serial_0: serial@10a00000 { compatible = "google,gs101-uart"; reg = <0x10a00000 0xc0>; - reg-io-width = <4>; interrupts = ; clocks = <&dummy_clk 0>, <&dummy_clk 0>; From patchwork Fri Jan 19 11:11:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 764073 Received: from mail-wr1-f43.google.com (mail-wr1-f43.google.com [209.85.221.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 48FB14D58F for ; Fri, 19 Jan 2024 11:11:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.43 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705662718; cv=none; b=lWmQm5zjBYF1q+nIYCQSDv6Kcfyom4vSVJXpOl3DLAErCzHwy1kVoRBfty7f46H/lGdUZ+sDkpzuxxnmYBmZTOiqYv2sNmY3rl9d8cMLqKu71slxqrXter45ZL0WVriwtjbHpbh0z/Gn/UarHou0ETOypDdFR3TN5lEN11Y9x5c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705662718; c=relaxed/simple; bh=+Z9aKQjWJRg1t8puc2H7wIKhN59qiSCcrvi1W3ZMQJ8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=C0KK0dMtbSBLZCOAcSbusXdmabfDZ54z97q7oHgiTcKjmlq6rRU6OnJlNsg4CftRKff+11Ht3bXLJxrd75P9zaIQib2mUaQssvNkcoTtKS8mzWLq9uDf0CAwRkEgQEPSAhp3LMrP5eLEsWHpPuE3sIyA9Owv2oniBlHyEHACQGQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=Bsax9cj5; arc=none smtp.client-ip=209.85.221.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Bsax9cj5" Received: by mail-wr1-f43.google.com with SMTP id ffacd0b85a97d-336c8ab0b20so568401f8f.1 for ; Fri, 19 Jan 2024 03:11:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1705662714; x=1706267514; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tDx9IJeu4q4vg7sxnjP3+o90/kYREKpXEiMwOte9XSc=; b=Bsax9cj537jCBdindCqwlsLm7YKFMR4zjAMKweP53fOK10AajxYubcGUpIKgfakUsW 3oE2LMTL8W0w96ZraPq9fw55ZIJFnK99LhUh1yX61yhbNXp/4b70E6rcFIESSLbG2Ezb +cz6U2goQ7pP7yC/FpT8/Lij826zogV+RxNX4G7I8XEZgXvFxzvdXnJmrqJAJPUIe1pp hqloRsJARVokBXzKv4FEfcwmBfvnFKb2gQJ9hJuYeM24oLN2Ui1ItZfXnJXrwQZHtJqQ sYOStcVQ6+tBVqF+RegH+HcgpqyMtug49BcXSfJPFC3TgGvpIBGdNUIYu/Icgg/UHE0J SNZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705662714; x=1706267514; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tDx9IJeu4q4vg7sxnjP3+o90/kYREKpXEiMwOte9XSc=; b=lXOT17H3f4dw3HYGU8Tm1fjmT8pE5klSL5QmCUkkw63X2T1vjdR2KNwIoZEjqQMnwH hx5A1do3BA/vidnnEhjC+R2cndO9rnFnqe3jgpKKrZJ0seLYnl/s2Vh0VMKVInzVodKc W7hYU7ebS5Qdy6pa31PLt992UqsofOjqn7iw5HEx5XIC2R1nh0BXMjKy/Xhzk6lftcHC fu4bOgk7J3d2OptkyptuPgPAYcZgQYN/wt/5Sa1ac55zGEJeWthPZcw+o87p1eYI0qRi nSgA9PjTbOP+YDlBLt+g1pwQZk0WGnJnBu2QXo41XhKKtglyJYEteR7w7oECV0P4P6aw 8e9g== X-Gm-Message-State: AOJu0YzWmq8+UToyjFGu6WYc5VNNLRcCcZIPjLS+ddsMdRIF0GkAr9nz nCDnyF6W9jH1ehhppYqxLW0OjD9USqN4dtqoZ1RCQEUUa36eWg8FqzwmgY08qMQ= X-Google-Smtp-Source: AGHT+IFa9EXNILXQkEvGWQUIOOA63etKevXkmw5q28slYY6iHwHtb/9wtgcuyorN42OKWTa9d7vFYg== X-Received: by 2002:a05:6000:1010:b0:337:c642:7acf with SMTP id a16-20020a056000101000b00337c6427acfmr1422410wrx.108.1705662714705; Fri, 19 Jan 2024 03:11:54 -0800 (PST) Received: from ta2.c.googlers.com.com (88.140.78.34.bc.googleusercontent.com. [34.78.140.88]) by smtp.gmail.com with ESMTPSA id o10-20020a5d62ca000000b00337d4ce6ab4sm3341868wrv.20.2024.01.19.03.11.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jan 2024 03:11:53 -0800 (PST) From: Tudor Ambarus To: peter.griffin@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org Cc: andi.shyti@kernel.org, alim.akhtar@samsung.com, s.nawrocki@samsung.com, tomasz.figa@gmail.com, cw00.choi@samsung.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, willmcvicker@google.com, kernel-team@android.com, Tudor Ambarus Subject: [PATCH v4 6/8] arm64: dts: exynos: gs101: update USI UART to use peric0 clocks Date: Fri, 19 Jan 2024 11:11:30 +0000 Message-ID: <20240119111132.1290455-7-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.43.0.429.g432eaa2c6b-goog In-Reply-To: <20240119111132.1290455-1-tudor.ambarus@linaro.org> References: <20240119111132.1290455-1-tudor.ambarus@linaro.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Get rid of the dummy clock and start using the cmu_peric0 clocks for the usi_uart and serial_0 nodes. Tested the serial at 115200, 1000000 and 3000000 baudrates, everthing went fine. Reviewed-by: Sam Protsenko Signed-off-by: Tudor Ambarus --- arch/arm64/boot/dts/exynos/google/gs101.dtsi | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi index 2d1344a202a9..6aa25cc4676e 100644 --- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi +++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi @@ -180,14 +180,6 @@ HERA_CPU_SLEEP: cpu-hera-sleep { }; }; - /* TODO replace with CCF clock */ - dummy_clk: clock-3 { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <12345>; - clock-output-names = "pclk"; - }; - /* ect node is required to be present by bootloader */ ect { }; @@ -367,7 +359,8 @@ usi_uart: usi@10a000c0 { ranges; #address-cells = <1>; #size-cells = <1>; - clocks = <&dummy_clk>, <&dummy_clk>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_CLK_PERIC0_USI0_UART_CLK>, + <&cmu_peric0 CLK_GOUT_PERIC0_PERIC0_TOP1_IPCLK_0>; clock-names = "pclk", "ipclk"; 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[34.78.140.88]) by smtp.gmail.com with ESMTPSA id o10-20020a5d62ca000000b00337d4ce6ab4sm3341868wrv.20.2024.01.19.03.11.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jan 2024 03:11:56 -0800 (PST) From: Tudor Ambarus To: peter.griffin@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org Cc: andi.shyti@kernel.org, alim.akhtar@samsung.com, s.nawrocki@samsung.com, tomasz.figa@gmail.com, cw00.choi@samsung.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, willmcvicker@google.com, kernel-team@android.com, Tudor Ambarus Subject: [PATCH v4 8/8] arm64: dts: exynos: gs101: enable eeprom on gs101-oriole Date: Fri, 19 Jan 2024 11:11:32 +0000 Message-ID: <20240119111132.1290455-9-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.43.0.429.g432eaa2c6b-goog In-Reply-To: <20240119111132.1290455-1-tudor.ambarus@linaro.org> References: <20240119111132.1290455-1-tudor.ambarus@linaro.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Enable the eeprom found on the battery connector. The selection of the USI protocol is done in the board dts file because the USI CONFIG register comes with a 0x0 reset value, meaning that USI8 does not have a default protocol (I2C, SPI, UART) at reset. Reviewed-by: Sam Protsenko Reviewed-by: Peter Griffin Signed-off-by: Tudor Ambarus --- arch/arm64/boot/dts/exynos/google/gs101-oriole.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts index 4a71f752200d..cb4d17339b6b 100644 --- a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts +++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts @@ -63,6 +63,15 @@ &ext_200m { clock-frequency = <200000000>; }; +&hsi2c_8 { + status = "okay"; + + eeprom: eeprom@50 { + compatible = "atmel,24c08"; + reg = <0x50>; + }; +}; + &pinctrl_far_alive { key_voldown: key-voldown-pins { samsung,pins = "gpa7-3"; @@ -99,6 +108,11 @@ &usi_uart { status = "okay"; }; +&usi8 { + samsung,mode = ; + status = "okay"; +}; + &watchdog_cl0 { timeout-sec = <30>; status = "okay";