From patchwork Thu Feb 13 20:40:43 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Denzeel Oliva X-Patchwork-Id: 865788 Received: from mail-vk1-f178.google.com (mail-vk1-f178.google.com [209.85.221.178]) (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 63240266B50; Thu, 13 Feb 2025 20:41:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739479267; cv=none; b=G44V/EAPtXHubuNbtZzoppJSMI9XgYm7Vp0pU1zrvx1VcsdkXJdYcbAzOIENrALdyKCi/2rQvABTlul+eEcYw2yrCCkGsOadhk4l7zeShoCzKOPz8zF9NERfm/BjBwB0iRWipI4Fl+gA/frf4Gwzea8F36x1FTP+TY8YMvg3b3A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739479267; c=relaxed/simple; bh=04ewGkfCnt4dGtPWuETy+xnmdSoDM6RaH0T1s0ZJ1RI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=FBwUiJQoMAukj/RzFQN8mMUyVfCvIAxyNMZ3JkWbwMx/8YHvLLAQd5IwS5xL4fCFofgHKXBuD4E1febffdhP7bV8eY15v6UVFBM4yF980DcIWovGK3CGgnqzpuijWu6pXztXEXb9NPgX7EblOH2RCXmNQUY9CzuGNKPDvOD6IlA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=RvFi2eFM; arc=none smtp.client-ip=209.85.221.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="RvFi2eFM" Received: by mail-vk1-f178.google.com with SMTP id 71dfb90a1353d-52066e96433so395669e0c.1; Thu, 13 Feb 2025 12:41:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1739479265; x=1740084065; 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=TS5Knb7XMjcuFKIBATQ7nHoTfU5um3mKBC4QXOJc2lY=; b=RvFi2eFMCHigRleqwxkUkK2dtdFyYQEv3iHppmbMDoMAwe7ktagXmor7gwJRjMZfjA m0qlPAllaNr/6nV9O3dm4Cusxwd4jY++NOvdTsqDUYrdxDKOnoVxBZcDo6lNi8zqHI5S dufXNGpUJpptOh/Qltzh4Ko3LlbT2JvWtBjq7NV5GJGzKx8GsoRvOxMg/iwQyNk6jNuP iK43Ek+c8sPfVIhuO2fbqr6yL5vmxWoNrPQ6Z5YwL/wAVzWK5TGgbWaY8vV9vd8S8UyC t51NX9vfXxysN0GLB4Zi5ThUd910lAyTVFzyk5uFjioYVmALrXONVOibCtksmKituHrb teeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739479265; x=1740084065; 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=TS5Knb7XMjcuFKIBATQ7nHoTfU5um3mKBC4QXOJc2lY=; b=GA/rPeJP90OxGMTzIG0TleUbuj0C7ljylUCurQawuqAwEbXmpZYSZLL8ua7ehk9GNJ ORKQyu7ZY/p1RhMImHsEGRPGBq1TrM9m6cUhtFq0Osjf4pFc5ok76SluQZs/OfphibiB ynwcHnQDxmDZj5pxWoe4RKJ7VhSXxHBU5aZ4bIfcWCBEeesc3vVlw3N9/9fEFyPX83nc 6ZUfviX2l7re6fMvANziOBWF1SMjaMRtkjEsIlL5kqmqF+qR+n2NIwc7vYpPBdNuWWpu jCY+TlmwTUafqsKFle90GNNyJwFBY2O8Etu2CFy4wdxn4ioJPNEJZ2WfmVTbOHELRNwZ 1+nQ== X-Forwarded-Encrypted: i=1; AJvYcCU80FeqRYUnPLU+6ZEIuF/o8pwDexPcntA3g7khwC5dmko2m0sAXLIrAfkKZf3S8bMeQ9gbKI+CJmo+EBFa@vger.kernel.org, AJvYcCUHRW8SMD2WoCPYuamewByLHaMzsMY5ZaDULTXgNLuuV+X374RF/u39z6ssvHkhNpd9ZVogfdizGN3R/RV9joJa9wY=@vger.kernel.org, AJvYcCUYiIukU18wL8fJhcN3zIUd/RVvv85nkbpTqe82RtLW8ai2bq2/hcvYzLP23XnUUgkGgD44LAqqgaip@vger.kernel.org, AJvYcCVywQUDuTnXgj5oNAM2U/HfXcnQdiEWKZAJWSVOc8JBH+DXN8KDs00oLW648ia6XCZy+WFyte6TRRlt@vger.kernel.org X-Gm-Message-State: AOJu0YyIH9S0Ph8Acy3jt9Y+JseMYCCkfA5wydPxB1N7lEiwBP0X3neD h0zqwxK9LUR4sgx73AB7KJEUoMgdqbFen8Bg4pm+6+X5YdNC+sIv X-Gm-Gg: ASbGncvsR7MTRC2MfUtoM34Z8vZdkfnfYKVZOssdtd2+7bnshq56Ve1gupC4emvNoqt O+uEqrS3+Ub8o8kd1Lu8mCVttLvRaF9jHPfigQNi+j1lmgDLSJR7Q50rCCagYFQjqjCAIuHMJRI 3KwB6gMQSdyn/c1s8jYeXGh4TJHnTZb6IsqbR3oHPynlKvIKLdsOhVgU6tlGftRsePIAs9k1lkp eLjAKyc9sHzBI4Z7TxQMMewSfaiSWWL2psIBo0VCEPk65KU/k0PJdX2LyZZQPajnFwaePhsRODH O441gdjdGXzpUVqeKQ20JDJg+zNzaAxbuwhxYnpsYCsAEzZr8A/Ueryh0VKgDnSrPo/LEJajO41 oDA== X-Google-Smtp-Source: AGHT+IEhvth2aVAFgZnYvs2HU668sqO6z0dn5SU9R5BGr77aqA+pRXB0bdFJZpLiuUpt/W31Sq4HaQ== X-Received: by 2002:a05:6122:3109:b0:50d:a31c:678c with SMTP id 71dfb90a1353d-52067bf1a31mr9044764e0c.2.1739479265197; Thu, 13 Feb 2025 12:41:05 -0800 (PST) Received: from localhost.localdomain ([38.44.237.182]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-5207aa40088sm285572e0c.10.2025.02.13.12.41.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Feb 2025 12:41:04 -0800 (PST) From: Denzeel Oliva To: andi.shyti@kernel.org, broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, alim.akhtar@samsung.com, linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Denzeel Oliva Subject: [PATCH v2 1/2] spi: dt-bindings: samsung: add samsung,exynos990-spi compatible Date: Thu, 13 Feb 2025 20:40:43 +0000 Message-Id: <20250213204044.660-2-wachiturroxd150@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250213204044.660-1-wachiturroxd150@gmail.com> References: <20250213204044.660-1-wachiturroxd150@gmail.com> Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add "samsung,exynos990-spi" dedicated compatible for the SPI controller on Exynos990 SoC. This ensures proper representation of the hardware in the device tree. Signed-off-by: Denzeel Oliva --- Documentation/devicetree/bindings/spi/samsung,spi.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/spi/samsung,spi.yaml b/Documentation/devicetree/bindings/spi/samsung,spi.yaml index 3c206a64d..1d3c95bd2 100644 --- a/Documentation/devicetree/bindings/spi/samsung,spi.yaml +++ b/Documentation/devicetree/bindings/spi/samsung,spi.yaml @@ -24,6 +24,7 @@ properties: - samsung,exynos4210-spi - samsung,exynos5433-spi - samsung,exynos850-spi + - samsung,exynos990-spi - samsung,exynosautov9-spi - tesla,fsd-spi - items: From patchwork Thu Feb 13 20:40:44 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Denzeel Oliva X-Patchwork-Id: 865013 Received: from mail-vk1-f179.google.com (mail-vk1-f179.google.com [209.85.221.179]) (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 8B3712661B7; Thu, 13 Feb 2025 20:41:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739479272; cv=none; b=lREwaMA42+0N751GT6tVDjcVPpVBC8xZUr/eoHKBm54gzr+ZEqoqRnN0ZwN2pDL6OU3AmXu33HQuh4Hfjqj3MRXeUbdwDGCR63WpBtS4Mhd+yRmI6bzaCu3h+JhZjqCnNpAtNx7zBu8vRiiYBHPIl1XLT8Ibr/ZxvNOlw96taT0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739479272; c=relaxed/simple; bh=HQDZWS0MvWVnjZJ1jZNB/gjF3cSIjWMDfLacihPU3Ss=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=gjmmVZwPvJTPs1Fa4sqt1IGOyS4EUJiWfIGUkGIqHovkHt29xaLP3dagUrO/BZUAqLp9kWGAWDAemb7Oees4KtH22O2lEWjvLxsMdqDAMDGHn2l0Emi8TYZoyk1rSGPLs7n/zjwt8fsg7Z/OgRFheNCn21omSY5+k0xRtP8+gj4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=D6yEVYaQ; arc=none smtp.client-ip=209.85.221.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="D6yEVYaQ" Received: by mail-vk1-f179.google.com with SMTP id 71dfb90a1353d-51eb1823a8eso393862e0c.3; Thu, 13 Feb 2025 12:41:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1739479269; x=1740084069; 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=zUETjozF1sAV1HRzCHDJTOKm9OqmezyE1AGTSwfrSB0=; b=D6yEVYaQ8sLNvqlh4HRKWA8c1UFcIZXZEjiSndS2hdBnejb5XL/lAT/kEi+C/GRY/s M6Mz/rFiFD7bvX/ZXZyAgFkWDL54DCLZNpfULBU8mOg81K1VU8f0SEZWwJSI5v3BU1p1 quGR5nk0uQVg2Rjyg4fDjDSYSblX6fMke24q3NWDoeKsukSRUS8Z9xnoaxG/EsP4Itrm zbmXtqdSIGrSkz0lg6PQ+CTYc/OlxMBbUzoydx8zzggFzRsOWxJyajxs+bbSEVdy6c1J O4I9VJSHkSIfYMKajILxznTSoyyIKHahBKS9tInQPDI+OBg6w7A5spmi/jCgL79kZgeE 0wtA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739479269; x=1740084069; 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=zUETjozF1sAV1HRzCHDJTOKm9OqmezyE1AGTSwfrSB0=; b=RZzuGs8/Xljvf5KyR3EPUdRr4O88V7vuGenpV+iB1hG3e/iSISs4V3wsOp3WZ80h5K e3BPgbTeqURhGhQIgVhYx1s9358ptJYrbOssSm8BQaUSBUqAcnaUNKVFgqM006yA0s2B VBJJcOzKMHlbjjVWGLgZvxY2Op79pJRsZ7o7rYDrzB19onXSa0/6M3AqmDjUS7oPkRDo GgZz45RDyGG1vHghW5zxTOD47XHQg5NSLrLA598+9tcbBGGR0joxzobGkqAx8jhI+jca DVFipbTfjaDUb1OLo6eri7+b122b21Ju4LA1CvRQkiN2SAdEolPLKjOFXjmByIh5mR/i 26eg== X-Forwarded-Encrypted: i=1; AJvYcCUNEwwl1Q9XxAsGF0HXyRk6N4xquZzi2J0UIGXc8ge5CQUFoFYksLcX8KpVgExmLXwSHNrG8FsxfeKowr4SI18Qmbg=@vger.kernel.org, AJvYcCWE4GzWKQFYhziucM4tWmajlqZrgOjwhFisfiFsJrfifdxbpNeOCX461E1SpywUeSlEkiZhm1yBra+A@vger.kernel.org, AJvYcCWmmtJriqL4v4BtD2CUoTK4S18F7WCWNjZ3K/Z6+KiZXxASkRZu1BiDW7bQ41l9GLXPWkGOZACn4rGg@vger.kernel.org, AJvYcCWqJZGb4zX/DkdAYRWa6t2H6R2eUTq/CnIWZNjqL54iIWr9lAbn9gaMGTCr/pIjlKEEvuN32D1y9t08ngap@vger.kernel.org X-Gm-Message-State: AOJu0Yw5u03zQCnaMNF4hri/OgbaJz8oiTOM9GZe2KgpJPaNGX64ui/w 48nSJe+FOzFBNX6cGDA+4DL+1ZsikTkfVMaFT8S1O+fqyqs7Jp+Cu1ZkMatK X-Gm-Gg: ASbGnctmSVtp6/wi+rWUeLPnNFALQWdoapn8Xy6fS7IufID88UuvDs65Gr8W7loLcr0 zhlldw0Zm18ZpepqrU1eQk6OXR7tu6x83JRFa99Ac2A1drACKk48UXA8U2ODpyIT7a1/x51EmV0 gF9iw5W/7u7F/ZYYOU1WAibgWVNJFCTSJZWXL/CdEhQFWAV9m6nwHsGtXIvtYiw81UPRKRVBIWz 99w0QLzNz1bnH3kX/8MdD2YV6bu1lJYd6vbrrdeQFPRIAd+oMxUbpernxS/uZ6KTDp8HqeSJuu2 zIK8SwBK1fOlMjZvAVrFb3cGHwLrw1yje2PsqTsytpiWOp875MlKHC/U0/MVpQRd6vs6SGwQPUM Qlw== X-Google-Smtp-Source: AGHT+IHXSWpNKt7Pd1wu4O/V5ZcIgriucI8y2fDXNJrEQw8A9Foh3kO6pxXQxDdlqsXOjqgU4No96Q== X-Received: by 2002:a05:6122:32cb:b0:520:5f0a:b5a5 with SMTP id 71dfb90a1353d-52077ee259emr3992376e0c.6.1739479269272; Thu, 13 Feb 2025 12:41:09 -0800 (PST) Received: from localhost.localdomain ([38.44.237.182]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-5207aa40088sm285572e0c.10.2025.02.13.12.41.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Feb 2025 12:41:08 -0800 (PST) From: Denzeel Oliva To: andi.shyti@kernel.org, broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, alim.akhtar@samsung.com, linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Denzeel Oliva Subject: [PATCH v2 2/2] spi: s3c64xx: add support exynos990-spi to new port config data Date: Thu, 13 Feb 2025 20:40:44 +0000 Message-Id: <20250213204044.660-3-wachiturroxd150@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250213204044.660-1-wachiturroxd150@gmail.com> References: <20250213204044.660-1-wachiturroxd150@gmail.com> Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Exynos990 uses the same version of USI SPI (v2.1) as the GS101. Removed fifo_lvl_mask and rx_lvl_offset, and changed to the new data configuration port. The difference from other new port configuration data is that fifo_depth is only specified in fifo-depth in DT. Exynos 990 data for SPI: - The depth of the FIFO is not the same size on all nodes. A depth of 64 bytes is used on most nodes, while a depth of 256 bytes is used on 3 specific nodes (SPI 8/9/10). - The Exynos 990 only allows access to 32-bit registers. If access is attempted with a different size, an error interrupt is generated. Therefore, it is necessary to perform write accesses to registers in 32-bit blocks. - To prevent potential issues when fifo-depth is not explicitly set in DT, a default value of 64 is assigned to ensure stable operation. Signed-off-by: Denzeel Oliva --- drivers/spi/spi-s3c64xx.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 389275dbc..5f55763f9 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1586,6 +1586,20 @@ static const struct s3c64xx_spi_port_config exynos850_spi_port_config = { .quirks = S3C64XX_SPI_QUIRK_CS_AUTO, }; +static const struct s3c64xx_spi_port_config exynos990_spi_port_config = { + /* If not specified in DT, defaults to 64 */ + .fifo_depth = 64, + .rx_fifomask = S3C64XX_SPI_ST_RX_FIFO_RDY_V2, + .tx_fifomask = S3C64XX_SPI_ST_TX_FIFO_RDY_V2, + .tx_st_done = 25, + .clk_div = 4, + .high_speed = true, + .clk_from_cmu = true, + .has_loopback = true, + .use_32bit_io = true, + .quirks = S3C64XX_SPI_QUIRK_CS_AUTO, +}; + static const struct s3c64xx_spi_port_config exynosautov9_spi_port_config = { /* fifo_lvl_mask is deprecated. Use {rx, tx}_fifomask instead. */ .fifo_lvl_mask = { 0x1ff, 0x1ff, 0x7f, 0x7f, 0x7f, 0x7f, 0x1ff, 0x7f, @@ -1664,6 +1678,9 @@ static const struct of_device_id s3c64xx_spi_dt_match[] = { { .compatible = "samsung,exynos850-spi", .data = &exynos850_spi_port_config, }, + { .compatible = "samsung,exynos990-spi", + .data = &exynos990_spi_port_config, + }, { .compatible = "samsung,exynosautov9-spi", .data = &exynosautov9_spi_port_config, },