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([2a01:e0a:90c:e290:b76e:7362:77c0:ddc3]) by smtp.gmail.com with ESMTPSA id a9sm276663wmj.1.2021.04.26.11.06.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Apr 2021 11:06:33 -0700 (PDT) Subject: Re: [PATCH v2 1/3] dt-bindings: serial: amlogic,meson-uart: add fifo-size property To: Rob Herring Cc: devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, Martin Blumenstingl , gregkh@linuxfoundation.org References: <20210325152410.1795557-1-narmstrong@baylibre.com> <20210325152410.1795557-2-narmstrong@baylibre.com> From: Neil Armstrong Organization: Baylibre Message-ID: <39c92a23-e009-6bc2-a20b-9b0ab3e01c75@baylibre.com> Date: Mon, 26 Apr 2021 20:06:31 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210325152410.1795557-2-narmstrong@baylibre.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210426_190837_507441_66BABF14 X-CRM114-Status: GOOD ( 18.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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 Hi Rob, On 25/03/2021 16:24, Neil Armstrong wrote: > On most of the Amlogic SoCs, the first UART controller in the "Everything-Else" > power domain has 128bytes of RX & TX FIFO, so add an optional property to describe > a different FIFO size from the other ports (64bytes). > > Signed-off-by: Neil Armstrong > Reviewed-by: Martin Blumenstingl > --- > .../devicetree/bindings/serial/amlogic,meson-uart.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml > index 75ebc9952a99..8ece7f420c19 100644 > --- a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml > +++ b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml > @@ -55,6 +55,12 @@ properties: > - const: pclk > - const: baud > > + > + fifo-size: > + description: The fifo size supported by the UART channel. > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [64, 128] > + > required: > - compatible > - reg > Is it ok with the generic fifo-size property ? Neil _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel