From patchwork Mon Mar 3 20:54:46 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Artur Weber X-Patchwork-Id: 13999488 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2A3DFC282C6 for ; Mon, 3 Mar 2025 20:58:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UZV1Sc87tN2wDyrr8w4U/T//Mq5MgKYTQng7EZoAkc0=; b=KuukAihgZax3G3hCkCym5+WNfG 0vGhqBF5QLHkOnV2tj6gKO4F5HmMCrntNVRFHeD5t8q7227sr2hlRqBDNWZAxNjDOQ5EAfbrOxRvK M+A7u9D+GuHDjuqCmPmRyJdyLtir2Mt4AdtX0J7UW6PxwYD/zmFc4T+FY0UExYNl0G1ESYy9KdQJX m0dhL+PzITdE7fvz5UBCaXMzVZ0t7fFIbFUtOjf5uK1aa408T28oJFbvJeNHyqqTxE0Fm7uWw9wwO n3/ePXOFRgG1v09c3jLMbcmfhLSGmelX0Fu1rNlk8z8Utbxf7wjV5znaTaTw1GleYgDxzC8EPqKud X218OaOg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tpCrW-00000002IrJ-47pg; Mon, 03 Mar 2025 20:58:06 +0000 Received: from mail-ed1-x530.google.com ([2a00:1450:4864:20::530]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tpCoP-00000002HtE-2FUz for linux-arm-kernel@lists.infradead.org; Mon, 03 Mar 2025 20:54:54 +0000 Received: by mail-ed1-x530.google.com with SMTP id 4fb4d7f45d1cf-5e4d50ed90aso5376112a12.0 for ; Mon, 03 Mar 2025 12:54:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1741035292; x=1741640092; darn=lists.infradead.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=UZV1Sc87tN2wDyrr8w4U/T//Mq5MgKYTQng7EZoAkc0=; b=TSnnSKZORoczVYvAz44KaeFsNnYg45uT07cw58TCw4IYdqDMydhXXshqMvir0nnYWc nscONqR9LLglvhhL9NBelSUSAjU6Xv8qw6LQTDCOXMY3+9bToKECKbxX1YhXyLDkgjuu zgKEYVSZfP8MEwK1B8HswPbivIPqJIErN+0kFf7Y1oc5F5o6itqhyjf2OHVpdnQxgHFm eT+pGhJH9cjVPfGpg3qtjZPhp+taB2ZvXvGyYg8um77VqvM0QUwdbL/ocVadjYh+Wz63 Nl2EBAvU4khHPmLnOCA1B2OyLiLuI6L2bmgjoFIx1fg7JYHD+McIpMoH3TTSW4qpWa91 No0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741035292; x=1741640092; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=UZV1Sc87tN2wDyrr8w4U/T//Mq5MgKYTQng7EZoAkc0=; b=O/u9zhQft4sKSlcdFWD7etOkrwokBGEt7y+SUaLPRVOFOenbitmvYFR6NT7H8GYTYp KOEiA5pKpeuLk8FUNYpdZZUXA1jhEUHpJ0NHS9gmVfff55RwCXL1/YWZyPm8X5osaeYo AfzYDSTNgxExfPrsBwnwT9X0geD+fpwebWivz2BH4pA7PY8FVk9T14mPO4mJiRBz2z9s Pt59vlKvKsh7VPvyTUNfiazBvc33esUhkrYWhpyAlPEKpGrhYLjYaTutD7danf2WB4eQ P4zLdfPDmng6EEzxvkL5R/uYFV4qNOpK1wGZ1FpBEawiNPAr8L64TTV5ajwTfISXqJn8 XSyQ== X-Forwarded-Encrypted: i=1; AJvYcCWnqAqLg9HOcJnWzl1JP69kX+yKm+lYECi4dzQhZnG797XkugTGSsvswohY/XRruM1ZzLZp0WfB2XVra4ss68D9@lists.infradead.org X-Gm-Message-State: AOJu0Yw2cfGXfusdrpPPsRp4ROMIjVzVC7HT/aUl3KhW/BP5cn3CppPI yEb6zbvr5YKA0TZtJx6OLaxTybbQ5ZxUg1L0l1c60tgIIgEyJ69x X-Gm-Gg: ASbGncvR3gbKAIHIBdEZ+bfEidedBy8YmwEvu3sGIy1TLPzi8Zvnuz0awT0PqOkeXms JmnU63CQYXQVo/fYx00VBXBcrTH2+s86NAtyrtXG6Ic+J2GzPcFUv4XojSzsAZC+MC3hGdFknPj gEtZ6oAowhijUE+/PPnZhsam4OdxR3WixBBE9xbdCbi7TquvTCO+TGSMfQ5cItmK6AR0s5qzUxm uWDlTRpXBEkAcTO6LcvG04VKQNi75OaCpTCVusiXlGTk326jpYM/lhcD4Da3LAZABnS11mdW/p8 uzFp3pNH8UFheN2xJPq0NqtloMHGyPMFAtLiTCQqb/lgWteHStabvCxX2il4vLDYLL//MQxcnZ8 M6C+AQTf03L8FJCA= X-Google-Smtp-Source: AGHT+IGedzWpJHscXDurL0luKHIRErVaMIRyvQlt37dMb33nm68RFWM49rbp21MYUquB+KF60dDgvQ== X-Received: by 2002:a17:907:980b:b0:ac1:ddaa:2c03 with SMTP id a640c23a62f3a-ac1ddaa727dmr411554866b.0.1741035291599; Mon, 03 Mar 2025 12:54:51 -0800 (PST) Received: from hex.my.domain (83.8.122.142.ipv4.supernova.orange.pl. [83.8.122.142]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-abf76063ab8sm266955566b.73.2025.03.03.12.54.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Mar 2025 12:54:51 -0800 (PST) From: Artur Weber Date: Mon, 03 Mar 2025 21:54:46 +0100 Subject: [PATCH v3 1/6] dt-bindings: pinctrl: Add bindings for BCM21664 pin controller MIME-Version: 1.0 Message-Id: <20250303-bcm21664-pinctrl-v3-1-5f8b80e4ab51@gmail.com> References: <20250303-bcm21664-pinctrl-v3-0-5f8b80e4ab51@gmail.com> In-Reply-To: <20250303-bcm21664-pinctrl-v3-0-5f8b80e4ab51@gmail.com> To: Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Ray Jui , Scott Branden , Broadcom internal kernel review list Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Stanislav Jakubek , ~postmarketos/upstreaming@lists.sr.ht, Artur Weber X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1741035289; l=6571; i=aweber.kernel@gmail.com; s=20231030; h=from:subject:message-id; bh=8sKAqg+gUGLkXLgSLhywcAHvI/uGgduy0VUSsfjhpPY=; b=imKoJZCCIN7s1kZiwY9VlOY0d9ZlxhC6MACJCLE2gCmKzCX2GXxfgYRnel7ZOuOnhTjcPCCNF z1t9uCgq/NzB6H4uKSEdbnRTpaqlkqmFL+/tHohNVoKOqO26WCNCHn0 X-Developer-Key: i=aweber.kernel@gmail.com; a=ed25519; pk=RhDBfWbJEHqDibXbhNEBAnc9FMkyznGxX/hwfhL8bv8= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250303_125453_582368_A7A0C3E0 X-CRM114-Status: GOOD ( 17.05 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add device tree bindings for the pin controller included in the BCM21664 chip. The bindings are based off brcm,bcm11351-pinctrl.yaml; both chips use the same driver, but have different pins, and the BCM21664 has 6 alt modes instead of 4. Signed-off-by: Artur Weber --- Changes in v3: - Fix example for I2C pins - Specify bias-pull-up/bias-pull-down as a boolean - Add gpio16/gpio17 to list of I2C pins in slew-rate description - Use additionalProperties: false on pin group and specify valid properties for more strict checking Changes in v2: - Drop "property: true" declarations which had no effect with "unevaluatedProperties: false" - Define property limits for I2C pins only instead of standard pins, making the pin-specific "if" condition significantly smaller --- .../bindings/pinctrl/brcm,bcm21664-pinctrl.yaml | 152 +++++++++++++++++++++ 1 file changed, 152 insertions(+) diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm21664-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm21664-pinctrl.yaml new file mode 100644 index 0000000000000000000000000000000000000000..1283a588416d406e6ca5add012cbaa569ef355ef --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm21664-pinctrl.yaml @@ -0,0 +1,152 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/brcm,bcm21664-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM21664 pin controller + +maintainers: + - Florian Fainelli + - Ray Jui + - Scott Branden + +allOf: + - $ref: pinctrl.yaml# + +properties: + compatible: + const: brcm,bcm21664-pinctrl + + reg: + maxItems: 1 + +patternProperties: + '-pins$': + type: object + additionalProperties: false + + patternProperties: + '-grp[0-9]$': + type: object + + properties: + pins: + description: + Specifies the name(s) of one or more pins to be configured by + this node. + items: + enum: [ adcsyn, batrm, bsc1clk, bsc1dat, camcs0, camcs1, clk32k, + clk_cx8, dclk1, dclk4, dclkreq1, dclkreq4, dmic0clk, + dmic0dq, dsi0te, gpio00, gpio01, gpio02, gpio03, gpio04, + gpio05, gpio06, gpio07, gpio08, gpio09, gpio10, gpio11, + gpio12, gpio13, gpio14, gpio15, gpio16, gpio17, gpio18, + gpio19, gpio20, gpio21, gpio22, gpio23, gpio24, gpio25, + gpio26, gpio27, gpio28, gpio32, gpio33, gpio34, gpio93, + gpio94, gps_calreq, gps_hostreq, gps_pablank, gps_tmark, + icusbdm, icusbdp, lcdcs0, lcdres, lcdscl, lcdsda, lcdte, + mdmgpio00, mdmgpio01, mdmgpio02, mdmgpio03, mdmgpio04, + mdmgpio05, mdmgpio06, mdmgpio07, mdmgpio08, mmc0ck, + mmc0cmd, mmc0dat0, mmc0dat1, mmc0dat2, mmc0dat3, mmc0dat4, + mmc0dat5, mmc0dat6, mmc0dat7, mmc0rst, mmc1ck, mmc1cmd, + mmc1dat0, mmc1dat1, mmc1dat2, mmc1dat3, mmc1dat4, + mmc1dat5, mmc1dat6, mmc1dat7, mmc1rst, pc1, pc2, pmbscclk, + pmbscdat, pmuint, resetn, rfst2g_mtsloten3g, + rtxdata2g_txdata3g1, rtxen2g_txdata3g2, rxdata3g0, + rxdata3g1, rxdata3g2, sdck, sdcmd, sddat0, sddat1, sddat2, + sddat3, simclk, simdat, simdet, simrst, spi0clk, spi0fss, + spi0rxd, spi0txd, sri_c, sri_d, sri_e, sspck, sspdi, + sspdo, sspsyn, stat1, stat2, swclktck, swdiotms, sysclken, + tdi, tdo, testmode, traceclk, tracedt00, tracedt01, + tracedt02, tracedt03, tracedt04, tracedt05, tracedt06, + tracedt07, tracedt08, tracedt09, tracedt10, tracedt11, + tracedt12, tracedt13, tracedt14, tracedt15, trstb, + txdata3g0, ubctsn, ubrtsn, ubrx, ubtx ] + + function: + description: + Specifies the pin mux selection. + enum: [ alt1, alt2, alt3, alt4, alt5, alt6 ] + + bias-disable: true + + bias-pull-up: + type: boolean + + bias-pull-down: + type: boolean + + slew-rate: + description: | + Meaning depends on configured pin mux: + bsc*clk/pmbscclk or bsc*dat/pmbscdat or gpio16/gpio17: + 0: Standard (100 kbps) & Fast (400 kbps) mode + 1: Highspeed (3.4 Mbps) mode + Otherwise: + 0: fast slew rate + 1: normal slew rate + + drive-strength: + enum: [ 2, 4, 6, 8, 10, 12, 14, 16 ] + + input-enable: true + input-disable: true + + input-schmitt-enable: true + input-schmitt-disable: true + + required: + - pins + + additionalProperties: false + + allOf: + - $ref: pincfg-node.yaml# + # Limitations for I2C pins + - if: + properties: + pins: + contains: + enum: [ bsc1clk, bsc1dat, gpio16, gpio17, pmbscclk, + pmbscdat ] + then: + properties: + drive-strength: false + bias-pull-down: false + input-schmitt-enable: false + input-schmitt-disable: false + + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + pinctrl@35004800 { + compatible = "brcm,bcm21664-pinctrl"; + reg = <0x35004800 0x7f0>; + + dev-a-active-pins { + /* group node defining 1 standard pin */ + std-grp0 { + pins = "gpio00"; + function = "alt1"; + input-schmitt-enable; + bias-disable; + slew-rate = <1>; + drive-strength = <4>; + }; + + /* group node defining 2 I2C pins */ + i2c-grp0 { + pins = "bsc1clk", "bsc1dat"; + function = "alt2"; + bias-pull-up; + input-enable; + }; + }; + }; +...