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Fri, 15 Dec 2023 00:04:35 -0800 (PST) Received: from [192.168.1.20] ([178.197.218.27]) by smtp.gmail.com with ESMTPSA id tk7-20020a170907c28700b00a1d1ebc2206sm10465696ejc.72.2023.12.15.00.04.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 Dec 2023 00:04:35 -0800 (PST) Message-ID: <11b4e79c-3d39-4924-877d-0f741e5904a8@linaro.org> Date: Fri, 15 Dec 2023 09:04:32 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 10/13] arm64: dts: exynos: gs101: define USI8 with I2C configuration Content-Language: en-US To: Tudor Ambarus , peter.griffin@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, conor+dt@kernel.org, andi.shyti@kernel.org, alim.akhtar@samsung.com, gregkh@linuxfoundation.org, jirislaby@kernel.org, catalin.marinas@arm.com, will@kernel.org, s.nawrocki@samsung.com, tomasz.figa@gmail.com, cw00.choi@samsung.com, arnd@arndb.de, semen.protsenko@linaro.org Cc: andre.draszik@linaro.org, saravanak@google.com, willmcvicker@google.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, linux-serial@vger.kernel.org References: <20231214105243.3707730-1-tudor.ambarus@linaro.org> <20231214105243.3707730-11-tudor.ambarus@linaro.org> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 14/12/2023 11:52, Tudor Ambarus wrote: > USI8 I2C is used to communicate with an eeprom found on the battery > connector. Define USI8 in I2C configuration. > > USI8 CONFIG register comes with a 0x0 reset value, meaning that USI8 > doesn't have a default protocol (I2C, SPI, UART) at reset. Thus the > selection of the protocol is intentionally left for the board dtsi file. > > Signed-off-by: Tudor Ambarus > --- > arch/arm64/boot/dts/exynos/google/gs101.dtsi | 26 ++++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi > index ffb7b4d89a8c..4ea1b180cd0a 100644 > --- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi > +++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi > @@ -354,6 +354,32 @@ pinctrl_peric0: pinctrl@10840000 { > interrupts = ; > }; > > + usi8: usi@109700c0 { > + compatible = "google,gs101-usi", > + "samsung,exynos850-usi"; > + reg = <0x109700c0 0x20>; > + ranges; > + #address-cells = <1>; > + #size-cells = <1>; > + clocks = <&cmu_peric0 CLK_DOUT_PERIC0_USI8_USI>, > + <&cmu_peric0 CLK_GOUT_PERIC0_CLK_PERIC0_USI8_USI_CLK>; > + clock-names = "pclk", "ipclk"; > + samsung,sysreg = <&sysreg_peric0 0x101c>; > + status = "disabled"; > + > + hsi2c_8: i2c@10970000 { > + compatible = "google,gs101-hsi2c", > + "samsung,exynosautov9-hsi2c"; > + reg = <0x10970000 0xc0>; > + interrupts = + IRQ_TYPE_LEVEL_HIGH 0>; This can be in one line. Limit of 80 is not a hard-limit. It can be violated if it improves readability. Especially if is about 1 character only. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel