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Wed, 15 Jul 2026 05:29:32 -0700 (PDT) Received: from taln60.nuvoton.co.il ([212.199.177.18]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4950a32a2casm216770715e9.12.2026.07.15.05.29.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jul 2026 05:29:30 -0700 (PDT) From: Tomer Maimon To: andrew@codeconstruct.com.au, linusw@kernel.org, brgl@kernel.org Cc: openbmc@lists.ozlabs.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com Subject: [PATCH v1 1/8] pinctrl: npcm8xx: drop RTS/CTS pins from bmcuart1 Date: Wed, 15 Jul 2026 15:29:16 +0300 Message-Id: <20260715122923.1938327-2-tmaimon77@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260715122923.1938327-1-tmaimon77@gmail.com> References: <20260715122923.1938327-1-tmaimon77@gmail.com> X-Mailing-List: openbmc@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The bmcuart1 group currently claims BU1_RTS and BU1_CTS in addition to TXD and RXD. That prevents boards from using the modem-control pins independently through the dedicated nbu1crts function. Limit bmcuart1 to the TXD/RXD pair and let users opt into BU1_RTS and BU1_CTS explicitly through the nbu1crts group when those signals are needed. Signed-off-by: Tomer Maimon --- drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c index 0aae1a253..c859dca4b 100644 --- a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c +++ b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c @@ -538,7 +538,7 @@ static const int wdog2_pins[] = { 219 }; static const int bmcuart0a_pins[] = { 41, 42 }; static const int bmcuart0b_pins[] = { 48, 49 }; -static const int bmcuart1_pins[] = { 43, 44, 62, 63 }; +static const int bmcuart1_pins[] = { 43, 63 }; static const int scipme_pins[] = { 169 }; static const int smi_pins[] = { 170 }; -- 2.34.1