From patchwork Wed Aug 29 08:24:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: saravanan sekar X-Patchwork-Id: 10579655 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3B2FB5A4 for ; Wed, 29 Aug 2018 08:27:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2A67D285D1 for ; Wed, 29 Aug 2018 08:27:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1DB6E2954D; Wed, 29 Aug 2018 08:27:23 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 821A7285D1 for ; Wed, 29 Aug 2018 08:27:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=/pM35zL+5Azq2GainHTaRWUwi8/Un1vEe7UWxPpdsuU=; b=OgYCb8L4wTTZxypu7sMTHfzGrM SItzKIcI0j03WmGAW67qLk9WIj60Im0ecygtw4GOFUB9OmvspiVmlixcdF60zE6x3ikvyRKFwE9+N wJ5CCsiZwWQOR7yaoLZra1eoyCudVUHtAnPeA3hB/t/FFmq+OyVMukelXFoVNMRYjVkCBZvWr4sq0 JYNw4ErC5a3vT/02fYsv7uUPLOma79ObuS1M1VJoJRG6j1yhb2MA9vFcfHjUg/oFWoDWW91Rqf4Cd nLjTO6inMG4NyrM3rixG3NSgeD5Pb4NGehVQreXmtNkzS/igV2fhvEvC813g6iMIkV1mGHHSZo8z3 4awkRDFQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fuvog-0001lC-Rr; Wed, 29 Aug 2018 08:27:06 +0000 Received: from mail-wm0-x242.google.com ([2a00:1450:400c:c09::242]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fuvmO-00080u-Cy for linux-arm-kernel@lists.infradead.org; Wed, 29 Aug 2018 08:24:46 +0000 Received: by mail-wm0-x242.google.com with SMTP id 207-v6so4528212wme.5 for ; Wed, 29 Aug 2018 01:24:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=YMZGexqTlM7KHt+rw4sXqq+/NFDspsYdWBO7WcWx8AE=; b=ak4Yz3vMpUYwTjIr5e6mYT/0r5z9R9+kvyxpT8e2U4QjgyWxr09n7HqgdiTM8WdVkW CzvQ2r3pYF/46unzGyxMnDCjqvKghSKVxnf3zARVB8U+xJSA3/PvooIXmqfHMg0Zh5Vz ePqlOIjOmFKRMfvdrvXN7PBIlWfly+yWx5ZdqO9WDWROa7OX8vNCjovgK2MLr1yf95rV MG3WKwZUIrK3BhO0vf7+60tBlw1NZJm1BkCWw0kcY7y/MD9wh9XvKGDQ7F/bfXIvih8R 1kXWEEUwDlP1Dlm0qPVeymmbJEAG05aDZGIAymss1vxTymkDhPUeHbfkv7mCexJ2X35S dUTQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=YMZGexqTlM7KHt+rw4sXqq+/NFDspsYdWBO7WcWx8AE=; b=DSB81ty/AMKTjSVMPX1ukGxabdtizDgxRuNF9RYzU4QIKHjKouLQGvjDQ59YmSxTzl +ojjyWF28nz4IZ6hU7PXWH1fjuKGddkyJ7jW0iqInyd5UYEjKVibtY6qbroG5x2YJvGp vss6Cju7sS9TYH4j4rSl5BtzzLscL8rTkXEtDAGPCmMki+jppxiagw+f3/vUz4jApmUD v0NUf1gATn54aPElv241l3GSUhDdHiZMImecvb/i8OzbmdhhMj54zUHaPthmnAEL1Uzp KyO6i+tXv8mJS7R6g9U5u24f1FYQyXBee0rz6lnuKttGrE4qgiMeBjA7FLBji6za4FzB eyYQ== X-Gm-Message-State: APzg51DMf8gOhRJSLGKnl/Av6Y4rPdQcjK4WCBihaNxQrP4Z/RLjh2ik IFtIQsqhfPcp0fnr3UzwHms= X-Google-Smtp-Source: ANB0VdZ/mDvDu5Uhz/gAXG9RZIQTosCH8WApKvA+lJnozQywUcGRmT6fToYb7rbbCeqy3PmrR7F8pA== X-Received: by 2002:a1c:752:: with SMTP id 79-v6mr3755333wmh.59.1535531072700; Wed, 29 Aug 2018 01:24:32 -0700 (PDT) Received: from xpert.denx.de ([62.91.23.180]) by smtp.gmail.com with ESMTPSA id g7-v6sm3013025wrw.30.2018.08.29.01.24.31 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 29 Aug 2018 01:24:32 -0700 (PDT) From: Saravanan Sekar To: manivannan.sadhasivam@linaro.org, linus.walleij@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, afaerber@suse.de, catalin.marinas@arm.com, will.deacon@arm.com Subject: [PATCH v5 2/5] pinctrl: actions: define pad control configurtion to SoC specific Date: Wed, 29 Aug 2018 10:24:10 +0200 Message-Id: <20180829082413.2512005-3-sravanhome@gmail.com> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180829082413.2512005-1-sravanhome@gmail.com> References: <20180829082413.2512005-1-sravanhome@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180829_012444_480476_30418655 X-CRM114-Status: GOOD ( 15.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux@cubietech.com, Saravanan Sekar , jeff.chen@actions-semi.com, linux-kernel@vger.kernel.org, thomas.liau@actions-semi.com, linux-gpio@vger.kernel.org, mp-cs@actions-semi.com, pn@denx.de, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP pad control for s900 and s700 are differs in number of pull control configuraions s900 has 4 pull controls - high impedence, pull up, pull down, repeater s700, s500 has 2 pull controls - pull up and pull down so pad control configuration has to SoC specific, moved out from pinctrl common to s700, s900 specific. Signed-off-by: Parthiban Nallathambi Signed-off-by: Saravanan Sekar --- drivers/pinctrl/actions/pinctrl-owl.c | 64 +++++---------------------------- drivers/pinctrl/actions/pinctrl-owl.h | 13 ++++--- drivers/pinctrl/actions/pinctrl-s900.c | 66 +++++++++++++++++++++++++++++++++- 3 files changed, 79 insertions(+), 64 deletions(-) diff --git a/drivers/pinctrl/actions/pinctrl-owl.c b/drivers/pinctrl/actions/pinctrl-owl.c index 9d18c02f192b..cc242d6a47c3 100644 --- a/drivers/pinctrl/actions/pinctrl-owl.c +++ b/drivers/pinctrl/actions/pinctrl-owl.c @@ -246,60 +246,6 @@ static int owl_pad_pinconf_reg(const struct owl_padinfo *info, return 0; } -static int owl_pad_pinconf_arg2val(const struct owl_padinfo *info, - unsigned int param, - u32 *arg) -{ - switch (param) { - case PIN_CONFIG_BIAS_BUS_HOLD: - *arg = OWL_PINCONF_PULL_HOLD; - break; - case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: - *arg = OWL_PINCONF_PULL_HIZ; - break; - case PIN_CONFIG_BIAS_PULL_DOWN: - *arg = OWL_PINCONF_PULL_DOWN; - break; - case PIN_CONFIG_BIAS_PULL_UP: - *arg = OWL_PINCONF_PULL_UP; - break; - case PIN_CONFIG_INPUT_SCHMITT_ENABLE: - *arg = (*arg >= 1 ? 1 : 0); - break; - default: - return -ENOTSUPP; - } - - return 0; -} - -static int owl_pad_pinconf_val2arg(const struct owl_padinfo *padinfo, - unsigned int param, - u32 *arg) -{ - switch (param) { - case PIN_CONFIG_BIAS_BUS_HOLD: - *arg = *arg == OWL_PINCONF_PULL_HOLD; - break; - case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: - *arg = *arg == OWL_PINCONF_PULL_HIZ; - break; - case PIN_CONFIG_BIAS_PULL_DOWN: - *arg = *arg == OWL_PINCONF_PULL_DOWN; - break; - case PIN_CONFIG_BIAS_PULL_UP: - *arg = *arg == OWL_PINCONF_PULL_UP; - break; - case PIN_CONFIG_INPUT_SCHMITT_ENABLE: - *arg = *arg == 1; - break; - default: - return -ENOTSUPP; - } - - return 0; -} - static int owl_pin_config_get(struct pinctrl_dev *pctrldev, unsigned int pin, unsigned long *config) @@ -318,7 +264,10 @@ static int owl_pin_config_get(struct pinctrl_dev *pctrldev, arg = owl_read_field(pctrl, reg, bit, width); - ret = owl_pad_pinconf_val2arg(info, param, &arg); + if (!pctrl->soc->padctl_val2arg) + return -ENOTSUPP; + + ret = pctrl->soc->padctl_val2arg(info, param, &arg); if (ret) return ret; @@ -349,7 +298,10 @@ static int owl_pin_config_set(struct pinctrl_dev *pctrldev, if (ret) return ret; - ret = owl_pad_pinconf_arg2val(info, param, &arg); + if (!pctrl->soc->padctl_arg2val) + return -ENOTSUPP; + + ret = pctrl->soc->padctl_arg2val(info, param, &arg); if (ret) return ret; diff --git a/drivers/pinctrl/actions/pinctrl-owl.h b/drivers/pinctrl/actions/pinctrl-owl.h index 31cc33d7c4a5..dae2e8363fd5 100644 --- a/drivers/pinctrl/actions/pinctrl-owl.h +++ b/drivers/pinctrl/actions/pinctrl-owl.h @@ -145,13 +145,6 @@ .shared_ctl_offset = _share, \ } -enum owl_pinconf_pull { - OWL_PINCONF_PULL_HIZ, - OWL_PINCONF_PULL_DOWN, - OWL_PINCONF_PULL_UP, - OWL_PINCONF_PULL_HOLD, -}; - enum owl_pinconf_drv { OWL_PINCONF_DRV_2MA, OWL_PINCONF_DRV_4MA, @@ -305,6 +298,12 @@ struct owl_pinctrl_soc_data { unsigned int ngpios; const struct owl_gpio_port *ports; unsigned int nports; + int (*padctl_val2arg)(const struct owl_padinfo *padinfo, + unsigned int param, + u32 *arg); + int (*padctl_arg2val)(const struct owl_padinfo *info, + unsigned int param, + u32 *arg); }; int owl_pinctrl_probe(struct platform_device *pdev, diff --git a/drivers/pinctrl/actions/pinctrl-s900.c b/drivers/pinctrl/actions/pinctrl-s900.c index 0597009d8369..2e19fecbe5e9 100644 --- a/drivers/pinctrl/actions/pinctrl-s900.c +++ b/drivers/pinctrl/actions/pinctrl-s900.c @@ -13,6 +13,7 @@ #include #include #include +#include #include "pinctrl-owl.h" /* Pinctrl registers offset */ @@ -1717,6 +1718,67 @@ static const struct owl_gpio_port s900_gpio_ports[] = { OWL_GPIO_PORT(F, 0x00F0, 8, 0x0, 0x4, 0x8, 0x460, 0x140, 0x144, 0x178, 0) }; +enum owl_pinconf_pull { + OWL_PINCONF_PULL_HIZ, + OWL_PINCONF_PULL_DOWN, + OWL_PINCONF_PULL_UP, + OWL_PINCONF_PULL_HOLD, +}; + +static int s900_pad_pinconf_arg2val(const struct owl_padinfo *info, + unsigned int param, + u32 *arg) +{ + switch (param) { + case PIN_CONFIG_BIAS_BUS_HOLD: + *arg = OWL_PINCONF_PULL_HOLD; + break; + case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + *arg = OWL_PINCONF_PULL_HIZ; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + *arg = OWL_PINCONF_PULL_DOWN; + break; + case PIN_CONFIG_BIAS_PULL_UP: + *arg = OWL_PINCONF_PULL_UP; + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + *arg = (*arg >= 1 ? 1 : 0); + break; + default: + return -ENOTSUPP; + } + + return 0; +} + +static int s900_pad_pinconf_val2arg(const struct owl_padinfo *padinfo, + unsigned int param, + u32 *arg) +{ + switch (param) { + case PIN_CONFIG_BIAS_BUS_HOLD: + *arg = *arg == OWL_PINCONF_PULL_HOLD; + break; + case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + *arg = *arg == OWL_PINCONF_PULL_HIZ; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + *arg = *arg == OWL_PINCONF_PULL_DOWN; + break; + case PIN_CONFIG_BIAS_PULL_UP: + *arg = *arg == OWL_PINCONF_PULL_UP; + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + *arg = *arg == 1; + break; + default: + return -ENOTSUPP; + } + + return 0; +} + static struct owl_pinctrl_soc_data s900_pinctrl_data = { .padinfo = s900_padinfo, .pins = (const struct pinctrl_pin_desc *)s900_pads, @@ -1727,7 +1789,9 @@ static struct owl_pinctrl_soc_data s900_pinctrl_data = { .ngroups = ARRAY_SIZE(s900_groups), .ngpios = NUM_GPIOS, .ports = s900_gpio_ports, - .nports = ARRAY_SIZE(s900_gpio_ports) + .nports = ARRAY_SIZE(s900_gpio_ports), + .padctl_arg2val = s900_pad_pinconf_arg2val, + .padctl_val2arg = s900_pad_pinconf_val2arg, }; static int s900_pinctrl_probe(struct platform_device *pdev)