From patchwork Thu Feb 8 13:50:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 13549870 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (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 45A8B76414 for ; Thu, 8 Feb 2024 13:50:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707400256; cv=none; b=tTP9gf7WInOV63JPfwStqBD6luZoRMk7FqmFgKMF7mRCJXjcxrmKiiWnkkJi07s0cIwDDorQowpbkJvhmTNZ6Aiui3rUhVjm/wbPhmhy3y7tLGlVfFrDzOyrZkspOrbfoXlh3zemDnyOwOE76d9VX3qpkxVWCAFmdaxS6Ni69Hw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707400256; c=relaxed/simple; bh=p2usWgPysTo/9X224ZyHEY+TGT4J7QxxP4dWqWMr0XI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e8FbGz2JyhI40kSbEYLIVwxjJlvEDn87Mqz5HL+mzEe7e3rGWrh/j6waIm1wf1nPSX/G6HpzyQ9xo2XnHH8q7iAqP2FLwin7VCZ3nyzeIFiB78/rZAVddRnLBFxmWqWvNT9kUaL+jYcNknnxigqrcxIONis/W+h6MR7Bary61vA= 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=AoVlE0sO; arc=none smtp.client-ip=209.85.128.49 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="AoVlE0sO" Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-40fe3141e1cso17392125e9.0 for ; Thu, 08 Feb 2024 05:50:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1707400253; x=1708005053; 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=rjENHLcLIAVWZiAZ2HXcUWfnK57wdK8wfcg4H3+qzmM=; b=AoVlE0sOiLAEnTCHm4OGJBe0gKJ7eNEeKclZqC9ZQuYla3RMkNoFF3jt81+GyYrQKJ btOBnbavW+LavtkdLKdb6ltdQd56NG/JSLdly0y0w/Fa/8MhcV6rZj7JZ+J7olNuu1vf I6yexrc9G/Cx7dQmdLG5c3I+JtEQmPlt/a32m1fs/zfDkqCRg68ZpvLFhhpvo4+Nf13r Ba4Em1LlxWJURfHrg7RUNVouPOnXHA5538lpA7+v8DJj6J2xc7Nu3QDtVEALoclbysG7 niOwuJhjYkZ7Ux3DGgn+LHgAyO/7gRIrgBbhhlChAg9PO1R7rJmb3V13uHQRWUkHdlGp j8nA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707400253; x=1708005053; 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=rjENHLcLIAVWZiAZ2HXcUWfnK57wdK8wfcg4H3+qzmM=; b=Ue7PfC1txBM4s7YXieNGDCjF28jqwvfIidmKa9jQN8EmJSwzL6HFfrAqt0pwJjvweS kmeZuiVfRoqGcHZp+3tmea0nK61u3AjkiHioGc9Ab/3QtWITwZTbeJqAvTnV92x+whgS wVo/X2BzcjJFvHTYU0U5OXmP7+hWP8yd8Lm+0TcUqQcRTzNyy71/WeGSb7+WtIrSgRtC cZ/mlEoxLjEJJb6HvQx7P84U+7cebixlbGzaVX+bp3UC+Z3+3ZzNTVHQzy7FVDh98I6v 0QNH/IoxITUFM6XHOdy9p40+wptPKTYbd9JWuqbWvJqT2RbvYv1hT5FHRt03Jlw+IzX8 ivnA== X-Gm-Message-State: AOJu0YyaWv2E41+BPiKxXmCMimL/GW5B7Ob1fNA+bbn3vwESpMZfRJyK YZi4pE1oduiSfd0qfGjVTAohul4h05DbLvTuJj+VaUkFABuSNLtPpLIKqqrsAm0= X-Google-Smtp-Source: AGHT+IFTzzez+1+BjUzZhqbA4z1KJveyYp9cLpDPWcvVsrOfjjaaWuyzUn2pNT6GoKgQyYhXLuBEYw== X-Received: by 2002:adf:f34f:0:b0:33b:295d:19b6 with SMTP id e15-20020adff34f000000b0033b295d19b6mr6293505wrp.69.1707400253564; Thu, 08 Feb 2024 05:50:53 -0800 (PST) X-Forwarded-Encrypted: i=1; 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 Received: from ta2.c.googlers.com.com (105.168.195.35.bc.googleusercontent.com. [35.195.168.105]) by smtp.gmail.com with ESMTPSA id m20-20020a056000181400b0033b43a5f53csm3618820wrh.103.2024.02.08.05.50.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Feb 2024 05:50:53 -0800 (PST) From: Tudor Ambarus To: broonie@kernel.org, robh@kernel.org, andi.shyti@kernel.org, semen.protsenko@linaro.org Cc: krzysztof.kozlowski@linaro.org, alim.akhtar@samsung.com, linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, andre.draszik@linaro.org, peter.griffin@linaro.org, kernel-team@android.com, willmcvicker@google.com, conor+dt@kernel.org, devicetree@vger.kernel.org, arnd@arndb.de, Tudor Ambarus Subject: [PATCH 01/12] spi: dt-bindings: introduce the ``fifo-depth`` property Date: Thu, 8 Feb 2024 13:50:34 +0000 Message-ID: <20240208135045.3728927-2-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.43.0.687.g38aa6559b0-goog In-Reply-To: <20240208135045.3728927-1-tudor.ambarus@linaro.org> References: <20240208135045.3728927-1-tudor.ambarus@linaro.org> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 There are instances of the same IP that are configured by the integrator with different FIFO depths. Introduce the fifo-depth property to allow such nodes to specify their FIFO depth. We haven't seen SPI IPs with different FIFO depths for RX and TX, thus introduce a single property. Signed-off-by: Tudor Ambarus Reviewed-by: Conor Dooley --- Documentation/devicetree/bindings/spi/spi-controller.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml index 524f6fe8c27b..99272e6f115e 100644 --- a/Documentation/devicetree/bindings/spi/spi-controller.yaml +++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml @@ -69,6 +69,11 @@ properties: Should be generally avoided and be replaced by spi-cs-high + ACTIVE_HIGH. + fifo-depth: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Size of the data FIFO in bytes. + num-cs: $ref: /schemas/types.yaml#/definitions/uint32 description: