From patchwork Thu Dec 14 10:52:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 13492797 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="e3e8bQuW" Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C801138 for ; Thu, 14 Dec 2023 02:53:02 -0800 (PST) Received: by mail-wr1-x42a.google.com with SMTP id ffacd0b85a97d-32f8441dfb5so7222294f8f.0 for ; Thu, 14 Dec 2023 02:53:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1702551180; x=1703155980; 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=Mo3Dx5itQzWuax7FZn6pfcTiRVwQ5I0itNwdOhqnqJQ=; b=e3e8bQuWvYbu5qOH8xAs9IihcWe61U6KaaczhFDR43vpstD0WhcrL2STk5EiKMlXj5 plSqUo3vhHMrpnmfC5wQx6eJMUPGFsNjsIrgvk7AjR/SA+hTcVgvcRSVUthSfWZO8Rw4 sjD/iq33F2lZTrSy0FGewtQDq0YZwb6SRlb8WEJnv3UA1pAkCmFyh4I4NTNxBxH596aC tC59oTi/xQs0OpWZG04F9euYFBUBxROOt/cNs9GnDNz9Al2NK3VTuTXDXe1hWUXS62R5 SzXqhTrB1ODKgGYGVhuGnz48hE1kp3/Pd9QQPnSMTABTXhpYa7q+HQHLD/PXSNLBPyxu L01g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702551180; x=1703155980; 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=Mo3Dx5itQzWuax7FZn6pfcTiRVwQ5I0itNwdOhqnqJQ=; b=GLGfiNkv19rFzIDH+fwSEcJEbyQQFalBxt9fwlTLITcyUvk2Qnbj4OeS6mLqPkjX+w ImsWPOb1fyiGMKxtyoeDld+xyLNjDxANg8pXw8+QmO2RrFESfBfPlRv/+cDp6gNdUItB mRklHgLKlQX7nhBQU3QyerKgsEr3xbE1g6eced/npaUu5PytTMVSBCHWW/lKU0X9CzD+ XekttI5HcFGTv4hEfU5B/X/uYalGWB5f25wyuRvgFpYlfnumYD98/WP2fSnt2CXJ/T8U b2w+TDk2FbIbJMDTLJI4kRgV31J0YRXhFKSjWfdnBpuXZ8fwnegItC+GMf9ra+UcYiPt o67g== X-Gm-Message-State: AOJu0YyWPA0jTvTxqAOBjQQYReYbYxyIXEpEbMzIEjhCrZUBHV9xwwLb gEAkqi9GswoSlx7zDT9qQjsf6Q== X-Google-Smtp-Source: AGHT+IHuGhsz9jG/F9bYT1xDJ7/aVGHW2+wpE9t6j+cdMeOfe0/DLNkaievhbt9JMdElWgNH9XkEFQ== X-Received: by 2002:a05:600c:4f82:b0:40c:4dc5:b2ee with SMTP id n2-20020a05600c4f8200b0040c4dc5b2eemr2697156wmq.149.1702551180487; Thu, 14 Dec 2023 02:53:00 -0800 (PST) Received: from ta2.c.googlers.com.com (216.131.76.34.bc.googleusercontent.com. [34.76.131.216]) by smtp.gmail.com with ESMTPSA id p7-20020a05600c468700b0040c420eda48sm17614854wmo.22.2023.12.14.02.52.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Dec 2023 02:53:00 -0800 (PST) From: Tudor Ambarus To: 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, Tudor Ambarus Subject: [PATCH 10/13] arm64: dts: exynos: gs101: define USI8 with I2C configuration Date: Thu, 14 Dec 2023 10:52:40 +0000 Message-ID: <20231214105243.3707730-11-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog In-Reply-To: <20231214105243.3707730-1-tudor.ambarus@linaro.org> References: <20231214105243.3707730-1-tudor.ambarus@linaro.org> Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 = ; + clocks = <&cmu_peric0 CLK_DOUT_PERIC0_USI8_USI>, + <&cmu_peric0 CLK_GOUT_PERIC0_CLK_PERIC0_USI8_USI_CLK>; + clock-names = "hsi2c", "hsi2c_pclk"; + status = "disabled"; + }; + }; + usi_uart: usi@10a000c0 { compatible = "google,gs101-usi", "samsung,exynos850-usi";