From: Neil Armstrong <narmstrong@baylibre.com>
To: gregkh@linuxfoundation.org
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,
Neil Armstrong <narmstrong@baylibre.com>
Subject: [PATCH v2 0/3] tty: serial: meson: add amlogic, uart-fifosize property
Date: Thu, 25 Mar 2021 16:24:07 +0100 [thread overview]
Message-ID: <20210325152410.1795557-1-narmstrong@baylibre.com> (raw)
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).
This adds a property in the bindings, reads the property from the driver and updates
the DT with the new property.
Changes since v1:
- switched to a more generic "fifo-size"
Neil Armstrong (3):
dt-bindings: serial: amlogic,meson-uart: add fifo-size property
tty: serial: meson: retrieve port FIFO size from DT
arm64: dts: meson: set 128bytes FIFO size on uart A
.../devicetree/bindings/serial/amlogic,meson-uart.yaml | 6 ++++++
arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 1 +
arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 1 +
arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 1 +
drivers/tty/serial/meson_uart.c | 5 ++++-
5 files changed, 13 insertions(+), 1 deletion(-)
--
2.25.1
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next reply other threads:[~2021-03-25 15:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-25 15:24 Neil Armstrong [this message]
2021-03-25 15:24 ` [PATCH v2 1/3] dt-bindings: serial: amlogic, meson-uart: add fifo-size property Neil Armstrong
2021-04-26 18:06 ` [PATCH v2 1/3] dt-bindings: serial: amlogic,meson-uart: " Neil Armstrong
2021-03-25 15:24 ` [PATCH v2 2/3] tty: serial: meson: retrieve port FIFO size from DT Neil Armstrong
2021-03-28 21:24 ` Martin Blumenstingl
2021-03-25 15:24 ` [PATCH v2 3/3] arm64: dts: meson: set 128bytes FIFO size on uart A Neil Armstrong
2021-03-28 21:24 ` Martin Blumenstingl
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