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[78.94.0.51]) by smtp.gmail.com with ESMTPSA id d10-20020aa7ce0a000000b005288f0e547esm2354627edv.55.2023.10.04.05.10.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Oct 2023 05:10:12 -0700 (PDT) From: Naresh Solanki To: broonie@kernel.org, zev@bewilderbeest.net, Liam Girdwood , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Naresh Solanki , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/3] dt-bindings: regulator: regulator-output: Multiple supplies Date: Wed, 4 Oct 2023 14:10:07 +0200 Message-ID: <20231004121010.1192344-1-naresh.solanki@9elements.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Wed, 04 Oct 2023 05:10:22 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778826648813004527 X-GMAIL-MSGID: 1778826816998833000 Add support for multiple supplies. Signed-off-by: Naresh Solanki --- .../devicetree/bindings/regulator/regulator-output.yaml | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) base-commit: f9a1d31874c383f58bb4f89bfe79b764682cd026 diff --git a/Documentation/devicetree/bindings/regulator/regulator-output.yaml b/Documentation/devicetree/bindings/regulator/regulator-output.yaml index 078b37a1a71a..6d077f123729 100644 --- a/Documentation/devicetree/bindings/regulator/regulator-output.yaml +++ b/Documentation/devicetree/bindings/regulator/regulator-output.yaml @@ -21,13 +21,13 @@ properties: compatible: const: regulator-output - vout-supply: +patternProperties: + ".*-supply": description: Phandle of the regulator supplying the output. required: - compatible - - vout-supply additionalProperties: false @@ -37,3 +37,8 @@ examples: compatible = "regulator-output"; vout-supply = <&output_reg>; }; + output1 { + compatible = "regulator-output"; + sw0-supply = <&output_reg0>; + sw1-supply = <&output_reg2>; + }; From patchwork Wed Oct 4 12:10:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naresh Solanki X-Patchwork-Id: 148249 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:254a:b0:403:3b70:6f57 with SMTP id hf10csp83712vqb; Wed, 4 Oct 2023 05:12:41 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEcLD0qCyBwukyobR6d5Z7EHLJZ7dPIOh/cKFZJSMoAWymssHvpL39I8n7HWLfy0rEYGNHt X-Received: by 2002:a17:90a:ca8d:b0:26c:f9a5:4493 with SMTP id y13-20020a17090aca8d00b0026cf9a54493mr2087508pjt.5.1696421560819; Wed, 04 Oct 2023 05:12:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696421560; cv=none; d=google.com; s=arc-20160816; b=DhvRrH5r6vInKGd+JKGG6ZMy5ofSrqrfySPhUmVrs+QcZEFaSBnT10DKi7caHZjgjH o3QvhPVOtpI7saHBCGwR8/8yn7kyWSvoUfPxnDp6SHifP+EOtbwwMDJ9vF/eWw64fQk8 qcR1RltxJlFBGxzace/FlhBeHQVE8eYYuz9xpa3RUoO8TmYL6CA90t1ND95+1p6ukQhc Z+Tn9yD/no1xrG/FLF7bggMapH1v6MKSqGFdJ3rMKhqc8E32IMkwU3p6IFezZMM6GiAH pHbSnWjzmUSmKsOWN0sOuY2PB5ghqu7rYVHXZphMU7BL/88fLB9Orqd85x5hwmE9EsOZ eTCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=PDAx+WeaAfeMTk0iyLZZaQojNWk87fXDiAYeAoWRhyA=; fh=8KXh4pBEmy+NtF/opnUgUmKV+7RocDF9urRJBwd73MA=; b=tBn1dW6Ixk0F0lqWvKyDenkqHDUGlvQfWVsc2mFEdU2iSnpU4vzZ4nOx+wDDpIUSpd tQBpmBnD03NFw6idMzvsHtvdS2DhWSOCOYPOAfj7I/L/OfbGdyF5Fld9hgIj3mX754Rk 2GVVme16t4sg78kiywXw1JiiI9rHnnQC1noKr7lvlcGDiT4f9CJ0Xcalf+hkzSCPWETs rwbxq7JeyJV2OfE0p6RP3MxIcAKt7BH/VVi8LO9VqZxgN14KAmf3UFnGWoS//r4Y3ZDt UbGb6CrtFwqLndr/LItBSCUVKWhshL8zJlMlJZbk/lV/QKcqyUPMFvrnlNkKhi5SLOzb FfMQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@9elements.com header.s=google header.b=UHZm4+pt; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=9elements.com Received: from groat.vger.email (groat.vger.email. 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[78.94.0.51]) by smtp.gmail.com with ESMTPSA id d10-20020aa7ce0a000000b005288f0e547esm2354627edv.55.2023.10.04.05.10.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Oct 2023 05:10:13 -0700 (PDT) From: Naresh Solanki To: broonie@kernel.org, zev@bewilderbeest.net, Liam Girdwood Cc: Naresh Solanki , linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] regulator: userspace-consumer: Retrieve supplies from DT Date: Wed, 4 Oct 2023 14:10:08 +0200 Message-ID: <20231004121010.1192344-2-naresh.solanki@9elements.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231004121010.1192344-1-naresh.solanki@9elements.com> References: <20231004121010.1192344-1-naresh.solanki@9elements.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_PASS,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Wed, 04 Oct 2023 05:12:37 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778826934164751042 X-GMAIL-MSGID: 1778826934164751042 From: Naresh Solanki Instead of hardcoding a single supply, retrieve supplies from DT. Signed-off-by: Naresh Solanki --- Changes in V2: - Use strlen for SUPPLY_SUFFIX_LEN, - Remove bracket for single line statements in if statement. - Remove extra space in variable declaration. - Simplify multi line statement by calculating size in seperate variable. - Add function prop_supply_name & simplify code. - Use devm_kstrdup instead to simplify code further. - Update DT binding to align with changes. --- drivers/regulator/userspace-consumer.c | 51 ++++++++++++++++++++++++-- 1 file changed, 47 insertions(+), 4 deletions(-) diff --git a/drivers/regulator/userspace-consumer.c b/drivers/regulator/userspace-consumer.c index 97f075ed68c9..13c0a86ab32c 100644 --- a/drivers/regulator/userspace-consumer.c +++ b/drivers/regulator/userspace-consumer.c @@ -115,12 +115,41 @@ static const struct attribute_group attr_group = { .is_visible = attr_visible, }; +#define SUPPLY_SUFFIX "-supply" +#define SUPPLY_SUFFIX_LEN strlen(SUPPLY_SUFFIX) + +static size_t prop_supply_name(char *prop_name) +{ + int len = strlen(prop_name); + + if (len <= SUPPLY_SUFFIX_LEN) + return 0; + + if (strcmp(prop_name + len - SUPPLY_SUFFIX_LEN, SUPPLY_SUFFIX) == 0) + return len - SUPPLY_SUFFIX_LEN; + + return 0; +} + +static int get_num_supplies(struct platform_device *pdev) +{ + struct property *prop; + int num_supplies = 0; + + for_each_property_of_node(pdev->dev.of_node, prop) { + if (prop_supply_name(prop->name)) + num_supplies++; + } + return num_supplies; +} + static int regulator_userspace_consumer_probe(struct platform_device *pdev) { struct regulator_userspace_consumer_data tmpdata; struct regulator_userspace_consumer_data *pdata; struct userspace_consumer_data *drvdata; - int ret; + struct property *prop; + int ret, supplies_size; pdata = dev_get_platdata(&pdev->dev); if (!pdata) { @@ -131,11 +160,25 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev) memset(pdata, 0, sizeof(*pdata)); pdata->no_autoswitch = true; - pdata->num_supplies = 1; - pdata->supplies = devm_kzalloc(&pdev->dev, sizeof(*pdata->supplies), GFP_KERNEL); + pdata->num_supplies = get_num_supplies(pdev); + + supplies_size = pdata->num_supplies * sizeof(*pdata->supplies); + pdata->supplies = devm_kzalloc(&pdev->dev, supplies_size, GFP_KERNEL); if (!pdata->supplies) return -ENOMEM; - pdata->supplies[0].supply = "vout"; + + for_each_property_of_node(pdev->dev.of_node, prop) { + const char *prop_name = prop->name; + size_t supply_len = prop_supply_name(prop->name); + + if (!supply_len) + continue; + + char *supply_name = devm_kstrdup(&pdev->dev, prop_name, GFP_KERNEL); + + supply_name[supply_len] = '\0'; + pdata->supplies[0].supply = supply_name; + } } if (pdata->num_supplies < 1) { From patchwork Wed Oct 4 12:10:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naresh Solanki X-Patchwork-Id: 148247 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:254a:b0:403:3b70:6f57 with SMTP id hf10csp82478vqb; Wed, 4 Oct 2023 05:10:49 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEYtFFPX5HjKsoJNLLE1vbmIygcZE0zArtwak/MCv7OnbkdZq4aVNC7ZMLKeZXpy5HDzB9s X-Received: by 2002:a17:902:db10:b0:1bd:f7d7:3bcd with SMTP id m16-20020a170902db1000b001bdf7d73bcdmr2139880plx.50.1696421449304; Wed, 04 Oct 2023 05:10:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696421449; cv=none; d=google.com; s=arc-20160816; b=FuLJbcNlWMim5mCbWXRLF98pN8oB+3YjlQ+MRyjKCj508W9I0bD6f40TfzHY1Nvkv4 Celm/AZuHTjdU9IWNnLkA3U1LOLjMvfoWPdSPtbO+2lXclKi58/TEfDolsl7FUn2v7Ly kNIz8t3vWFIK9rzxVP7I5xHl50hY3XBBmfjWd+QDTaNluO8dXQmekA6HhaPE8GwHnxlh YRxArSw12PKDn6qbU0+/8pw1+zgNIFob4c59wUTaWLBOWZMbCuotSEKQPmx+HWECCtv1 nY/qdaJQ7UwnLB5DoRILhzBgfEQgivFwaYDB+81hKOCAbZcoFK2/HbcwAuDjP4Qss22R sXIg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=5WWYoB5MEV9gKIjnnbA4n0zDf7a0EYBT3iB0u8uEjVw=; fh=qVquYlTqO9HQXxwSGkePR/wui5l7gBgVJiCPoNJQ2Ns=; b=gAS9kHpGgpVdc9M0LhwIkMAFuURMJsyyx5uOHmRSFFe5r9/pck/fFupx6R0Z8IqEbv Tnu5CReVB+sBcWEoracwpd9JAjDGaOUW8WJqTD5s5mYaePriR7dWSzzEm6VI5VVXkVD3 WDyaw1Q6tlXWkM5VwOd2qBO0A/bphn1mKtuNHPMnyhLM59Rz6gBkMyv4326mc6CnWJJv kiTp2CjN/TBOxTfoorf/+46gxK1tHG+EoFePOTB+ufR3rV869HKaRmyjc5js14WIgndp N99HLPSXhfEaq8N9JQKdY+XgJluX2GrV4WajDv52B0vpYRGp0SQU5pQt4RNRaX2RKcAK IUag== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@9elements.com header.s=google header.b=BMnLhhGt; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:6 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=9elements.com Received: from pete.vger.email (pete.vger.email. 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[78.94.0.51]) by smtp.gmail.com with ESMTPSA id d10-20020aa7ce0a000000b005288f0e547esm2354627edv.55.2023.10.04.05.10.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Oct 2023 05:10:14 -0700 (PDT) From: Naresh Solanki To: broonie@kernel.org, zev@bewilderbeest.net, Liam Girdwood Cc: Naresh Solanki , linux-kernel@vger.kernel.org Subject: [PATCH v2 3/3] regulator: userspace-consumer: Update name Date: Wed, 4 Oct 2023 14:10:09 +0200 Message-ID: <20231004121010.1192344-3-naresh.solanki@9elements.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231004121010.1192344-1-naresh.solanki@9elements.com> References: <20231004121010.1192344-1-naresh.solanki@9elements.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Wed, 04 Oct 2023 05:10:33 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778826817978778735 X-GMAIL-MSGID: 1778826817978778735 Set name to dt node name. Signed-off-by: Naresh Solanki --- drivers/regulator/userspace-consumer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/regulator/userspace-consumer.c b/drivers/regulator/userspace-consumer.c index 13c0a86ab32c..9030e1d9ce3c 100644 --- a/drivers/regulator/userspace-consumer.c +++ b/drivers/regulator/userspace-consumer.c @@ -159,6 +159,7 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev) pdata = &tmpdata; memset(pdata, 0, sizeof(*pdata)); + pdata->name = devm_kstrdup(&pdev->dev, pdev->dev.of_node->name, GFP_KERNEL); pdata->no_autoswitch = true; pdata->num_supplies = get_num_supplies(pdev);