From patchwork Wed Nov 16 10:57:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 625295 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13668C3A59F for ; Wed, 16 Nov 2022 11:11:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239094AbiKPLLv (ORCPT ); Wed, 16 Nov 2022 06:11:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233007AbiKPLL2 (ORCPT ); Wed, 16 Nov 2022 06:11:28 -0500 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A60E23E08B for ; Wed, 16 Nov 2022 02:58:02 -0800 (PST) Received: by mail-wr1-x431.google.com with SMTP id l14so29286599wrw.2 for ; Wed, 16 Nov 2022 02:58:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=DAzQ5VogwJoLM/PM812FxjEr23ojJfulgqhylS8RB/4=; b=du6z2HXCGLOd50YcDKiIkpDXlZWW4NN/hQ4ghIy/UBXT+OiDecIiR8HqXY+w9ENgi5 6ezFesUKmEk0OGql+o6Dol7DkdHRJG40LluRYx0NvvPtP9wq8NtPaaiSPLV4pZHphMXQ DWo17mvj5u50wWXcilbGNi18syV2vumeFLBStOVOtLz4esp08vZ/DDQsGPLhwsrWKyuT Tudf1Y1XkeJFx0XFCogp2HF0d9M9EumJcx+OB9QaE5zoVvomPIyjUwzb22vsFJdjm2nr p6soSP4TFH5cpUX4PmizPH93ztTD7sbi9jNqBSeary0tU38mGScKPWJndVo17P97lXgN GWiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DAzQ5VogwJoLM/PM812FxjEr23ojJfulgqhylS8RB/4=; b=ASctldarJsLJkcmmacu+mXbydZq2JGXKCmYUsR4PrI8XkozdEpKBrJHeajL751YFtX OhGTwV+YcKn8kArPHWQU7QNU11afjR3TGAcQM1nT4Rx0PEv5mjSv8xkhiak6WI/OKUd8 TfG/5PYuTvI0BD/QneEHn6XlhWl0kcp//tyX7yCNX7ys6OvoLiKkYOXh8BT6gm4h2f/0 a0flvRGObFaDu/k8dsi5LPp1amKOxCJeiVyXcs4XpKE/Tc0k8k4UaU2gOPhnpJSqpZ9I y0p3dBr6n3Ytg/z+uXvLAYfi7S2ehCRu+gxmhJsFUa9YaV2dU5UZF3qRMACifoVAQo5E 5/tg== X-Gm-Message-State: ANoB5pnbGhL0tR+5+Fx+APhm0ZNxkVxmJY0A5ZYqV1lFZmXPHKzgG7bP lkSA2Ro4/s69//fUVNuCCw1SlBVgiH+22Q== X-Google-Smtp-Source: AA0mqf5mRpvjlTZwA5aXvgYUPTW0++QM93WGLr/rBYVjgvB8DwbSzx8YSicuntUWbaKjqQdLSVtqxQ== X-Received: by 2002:a5d:6412:0:b0:236:651d:60cb with SMTP id z18-20020a5d6412000000b00236651d60cbmr13480874wru.474.1668596281160; Wed, 16 Nov 2022 02:58:01 -0800 (PST) Received: from localhost.localdomain ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id p13-20020adfe60d000000b00236e9755c02sm14935053wrm.111.2022.11.16.02.58.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Nov 2022 02:58:00 -0800 (PST) From: Abel Vesa To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Linus Walleij , Rob Herring , Krzysztof Kozlowski Cc: Linux Kernel Mailing List , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, "linux-gpio@vger.kernel.org" , Neil Armstrong Subject: [PATCH 3/4] pinctrl: qcom: add support for i2c specific pull feature Date: Wed, 16 Nov 2022 12:57:23 +0200 Message-Id: <20221116105724.2600349-4-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221116105724.2600349-1-abel.vesa@linaro.org> References: <20221116105724.2600349-1-abel.vesa@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Neil Armstrong Add support for the new i2c_pull property introduced for SM8550 setting a I2C specific pull mode on I2C able pins. Signed-off-by: Neil Armstrong --- drivers/pinctrl/qcom/pinctrl-msm.c | 20 ++++++++++++++++++++ drivers/pinctrl/qcom/pinctrl-msm.h | 1 + 2 files changed, 21 insertions(+) diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index 8fbb953c4bbe..f92082c1c805 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -83,6 +83,12 @@ struct msm_pinctrl { u32 phys_base[MAX_NR_TILES]; }; +#define PIN_CONFIG_QCOM_I2C_PULL (PIN_CONFIG_END + 1) + +static const struct pinconf_generic_params msm_pinconf_custom_bindings[] = { + {"qcom,i2c-pull", PIN_CONFIG_END + 1, 0}, +}; + #define MSM_ACCESSOR(name) \ static u32 msm_readl_##name(struct msm_pinctrl *pctrl, \ const struct msm_pingroup *g) \ @@ -324,6 +330,12 @@ static int msm_config_reg(struct msm_pinctrl *pctrl, *bit = g->oe_bit; *mask = 1; break; + case PIN_CONFIG_QCOM_I2C_PULL: + if (g->i2c_pull_bit == 0) + return -EOPNOTSUPP; + *bit = g->i2c_pull_bit; + *mask = 1; + break; default: return -ENOTSUPP; } @@ -415,6 +427,9 @@ static int msm_config_group_get(struct pinctrl_dev *pctldev, return -EINVAL; arg = 1; break; + case PIN_CONFIG_QCOM_I2C_PULL: + arg = 1; + break; default: return -ENOTSUPP; } @@ -498,6 +513,9 @@ static int msm_config_group_set(struct pinctrl_dev *pctldev, /* disable output */ arg = 0; break; + case PIN_CONFIG_QCOM_I2C_PULL: + arg = 1; + break; default: dev_err(pctrl->dev, "Unsupported config parameter: %x\n", param); @@ -1495,6 +1513,8 @@ int msm_pinctrl_probe(struct platform_device *pdev, pctrl->desc.name = dev_name(&pdev->dev); pctrl->desc.pins = pctrl->soc->pins; pctrl->desc.npins = pctrl->soc->npins; + pctrl->desc.custom_params = msm_pinconf_custom_bindings; + pctrl->desc.num_custom_params = ARRAY_SIZE(msm_pinconf_custom_bindings); pctrl->pctrl = devm_pinctrl_register(&pdev->dev, &pctrl->desc, pctrl); if (IS_ERR(pctrl->pctrl)) { diff --git a/drivers/pinctrl/qcom/pinctrl-msm.h b/drivers/pinctrl/qcom/pinctrl-msm.h index 05a1209bf9ae..985eceda2517 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.h +++ b/drivers/pinctrl/qcom/pinctrl-msm.h @@ -80,6 +80,7 @@ struct msm_pingroup { unsigned pull_bit:5; unsigned drv_bit:5; + unsigned i2c_pull_bit:5; unsigned od_bit:5; unsigned egpio_enable:5;