From: Yu-Chun Lin <eleanor.lin@realtek•com>
To: <robh@kernel•org>, <krzk+dt@kernel•org>, <conor+dt@kernel•org>,
<tychang@realtek•com>
Cc: <eleanor.lin@realtek•com>, <cy.huang@realtek•com>,
<stanley_chang@realtek•com>, <james.tai@realtek•com>,
<afaerber@suse•com>, <devicetree@vger•kernel.org>,
<linux-kernel@vger•kernel.org>,
<linux-arm-kernel@lists•infradead.org>,
<linux-realtek-soc@lists•infradead.org>
Subject: [PATCH 0/3] soc: realtek: Add Realtek DHC I/O level detector support
Date: Thu, 4 Jun 2026 19:18:17 +0800 [thread overview]
Message-ID: <20260604111821.975624-1-eleanor.lin@realtek.com> (raw)
Hi all,
This patch series introduces support for the Realtek DHC I/O level detector.
The Realtek DHC I/O level detector is a hardware block responsible for
detecting the I/O signaling levels (1.8V or 3.3V) of various IP blocks
such as RGMII, SDIO, eMMC, CSI, SD, UART1, and AIO.
The driver reads the hardware registers to determine the current I/O voltage
levels. Based on these detection results, it dynamically selects and applies
the appropriate pinctrl states to ensure the correct pad configurations are
used for each interface.
Thanks,
Yu-Chun
Tzuyi Chang (2):
dt-bindings: soc: realtek: Add Realtek DHC I/O level detector
soc: realtek: Add driver for DHC I/O level detector
Yu-Chun Lin (1):
arm64: dts: realtek: Add I/O level detector
.../realtek/realtek,rtd1625-io-detect.yaml | 77 +++++++++
MAINTAINERS | 1 +
arch/arm64/boot/dts/realtek/kent-pinctrl.dtsi | 108 +++++++++++++
arch/arm64/boot/dts/realtek/kent.dtsi | 28 ++++
drivers/soc/Kconfig | 1 +
drivers/soc/Makefile | 1 +
drivers/soc/realtek/Kconfig | 21 +++
drivers/soc/realtek/Makefile | 2 +
drivers/soc/realtek/rtd-io-detect.c | 152 ++++++++++++++++++
9 files changed, 391 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/realtek/realtek,rtd1625-io-detect.yaml
create mode 100644 arch/arm64/boot/dts/realtek/kent-pinctrl.dtsi
create mode 100644 drivers/soc/realtek/Kconfig
create mode 100644 drivers/soc/realtek/Makefile
create mode 100644 drivers/soc/realtek/rtd-io-detect.c
--
2.43.0
next reply other threads:[~2026-06-04 11:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-04 11:18 Yu-Chun Lin [this message]
2026-06-04 11:18 ` [PATCH 1/3] dt-bindings: soc: realtek: Add Realtek DHC I/O level detector Yu-Chun Lin
2026-06-04 12:49 ` Krzysztof Kozlowski
2026-06-04 11:18 ` [PATCH 2/3] soc: realtek: Add driver for " Yu-Chun Lin
2026-06-04 11:18 ` [PATCH 3/3] arm64: dts: realtek: Add " Yu-Chun Lin
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