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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iw8w0-0008UK-DY; Mon, 27 Jan 2020 18:16:29 +0000 Received: from mout.kundenserver.de ([212.227.126.135]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iw8vJ-0007pN-PH for linux-arm-kernel@lists.infradead.org; Mon, 27 Jan 2020 18:15:48 +0000 Received: from localhost.localdomain ([37.4.249.152]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MdvVu-1jTpmM3Tfy-00b6tv; Mon, 27 Jan 2020 19:15:40 +0100 From: Stefan Wahren To: Nicolas Saenz Julienne , Florian Fainelli , Linus Walleij , Ray Jui , Scott Branden Subject: [RFC PATCH 2/4] pinctrl: bcm2835: Refactor platform data Date: Mon, 27 Jan 2020 19:15:06 +0100 Message-Id: <1580148908-4863-3-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580148908-4863-1-git-send-email-stefan.wahren@i2se.com> References: <1580148908-4863-1-git-send-email-stefan.wahren@i2se.com> X-Provags-ID: V03:K1:VruPCfmk9mM3xiAf4DG/6aoXzCy4UDEsxr5SC+GDP4iRdgXZX29 MFCNoD27qBqcSq1LjDl1+NGtNJ3+c1twK3aKoFUdWC05HKxzJPuizB6xDkWYoCIsLzUx75H HiA0SBUlw/LN+bHlzoczcUQzu+qFL0N3XAwKX9HxzpPzSFwl1lRDgLB6suBZjq4VTFrw6QP xptjL6VDFkgqBb05XjOfA== X-UI-Out-Filterresults: notjunk:1;V03:K0:f2Tec5CMQUc=:niiLUGM7C+e//7RIjf+wMq wLFHtqjv1ynGaEgrTEwtjnWYqI/r72m4A6fdxd06jGD2Uyp8tpT//zGZgAMatxGP2tJCKPrs8 H50QvZYrkhyeWT1e/b/43xnEBFcJ26c6kKbSdwNEaPpeQ2pSXrJ+fWFg4rgyr2kyb0a6fODwi glMJlRcbMvRam6bDw57BliG4DhkYgMl0WB+vE3ztB/xJo+NhTzPKfEpK10WVhz1N+MdOE8gPM Ed3HaUcq1KYSZvZRKVS8rOnqLfx2aLsXvrn+YKEvs5xzV1w8QpRWEIYZcLOwKvY23kJzQG9eq MIIG4Or4qhijuBXiW2q6mwUPh2z1lLVKOHwzEHdCAb+4bDlzo8dAxIoc40B0H6ZxVg4/5LHFJ La0bD0qwfKTemPRPvdCrUGRjVY38hB0RBGSXLrWBfL0PkTsuaEeRZvCVEY80YYfxmOaIKNCZI KTZTGrVvZWUrz2smObUJlIIzYVznL4L5rWMZjNaLpWxwyNpAg0eDTqVYFmDT+qIxNN4PgQhRy tSUqMKFEgm7xT/YoZD4jdOe5rJJ0dEmy9DgnlvjmjzCBjXAGdPFrFO9kKivLmdSPaubJ7DdcC tcrGiqydtDkturFJvTsQYH+PmTQvbe4oBqgNIRZo8f1X5RgRS0fFLp3LA8/+FKUufNNqrLMao +41TZ2JeFAJBnB9x8z5VMa7EVYvu5Vv7a6UPbF0i7yUPlzFy4OB0vDTMzjH7rW414iarBNvIy QDypz6a5PwveJ4Fe9ATD7LILVISmcIjM7r29JF4LAmFeYo0lVn6a4kM0PnIwd/wQsax1Rp9/Y J1/TI8TQICVBl0N9CsxgAPc+X49YqHbFXpoqbsqqK9BIb3Bj+cJJ6Owe9HtjZLb6ifZLnyA X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200127_101546_108760_0514F0F4 X-CRM114-Status: GOOD ( 14.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Wahren , linux-gpio@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This prepares the platform data to be easier to extend for more GPIOs. Except of this there is no functional change. Signed-off-by: Stefan Wahren --- drivers/pinctrl/bcm/pinctrl-bcm2835.c | 57 +++++++++++++++++++++++++++-------- 1 file changed, 44 insertions(+), 13 deletions(-) diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 3fc2638..ffd069a 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -82,6 +82,7 @@ struct bcm2835_pinctrl { struct pinctrl_dev *pctl_dev; struct gpio_chip gpio_chip; + struct pinctrl_desc pctl_desc; struct pinctrl_gpio_range gpio_range; raw_spinlock_t irq_lock[BCM2835_NUM_BANKS]; @@ -1051,7 +1052,7 @@ static const struct pinconf_ops bcm2711_pinconf_ops = { .pin_config_set = bcm2711_pinconf_set, }; -static struct pinctrl_desc bcm2835_pinctrl_desc = { +static const struct pinctrl_desc bcm2835_pinctrl_desc = { .name = MODULE_NAME, .pins = bcm2835_gpio_pins, .npins = ARRAY_SIZE(bcm2835_gpio_pins), @@ -1061,19 +1062,47 @@ static struct pinctrl_desc bcm2835_pinctrl_desc = { .owner = THIS_MODULE, }; -static struct pinctrl_gpio_range bcm2835_pinctrl_gpio_range = { +static const struct pinctrl_desc bcm2711_pinctrl_desc = { + .name = MODULE_NAME, + .pins = bcm2835_gpio_pins, + .npins = ARRAY_SIZE(bcm2835_gpio_pins), + .pctlops = &bcm2835_pctl_ops, + .pmxops = &bcm2835_pmx_ops, + .confops = &bcm2711_pinconf_ops, + .owner = THIS_MODULE, +}; + +static const struct pinctrl_gpio_range bcm2835_pinctrl_gpio_range = { .name = MODULE_NAME, .npins = BCM2835_NUM_GPIOS, }; +struct bcm_plat_data { + const struct gpio_chip *gpio_chip; + const struct pinctrl_desc *pctl_desc; + const struct pinctrl_gpio_range *gpio_range; +}; + +static const struct bcm_plat_data bcm2835_plat_data = { + .gpio_chip = &bcm2835_gpio_chip, + .pctl_desc = &bcm2835_pinctrl_desc, + .gpio_range = &bcm2835_pinctrl_gpio_range, +}; + +static const struct bcm_plat_data bcm2711_plat_data = { + .gpio_chip = &bcm2835_gpio_chip, + .pctl_desc = &bcm2711_pinctrl_desc, + .gpio_range = &bcm2835_pinctrl_gpio_range, +}; + static const struct of_device_id bcm2835_pinctrl_match[] = { { .compatible = "brcm,bcm2835-gpio", - .data = &bcm2835_pinconf_ops, + .data = &bcm2835_plat_data, }, { .compatible = "brcm,bcm2711-gpio", - .data = &bcm2711_pinconf_ops, + .data = &bcm2711_plat_data, }, {} }; @@ -1083,6 +1112,7 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct bcm2835_pinctrl *pc; + struct bcm_plat_data *pdata; struct gpio_irq_chip *girq; struct resource iomem; int err, i; @@ -1108,7 +1138,13 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) if (IS_ERR(pc->base)) return PTR_ERR(pc->base); - pc->gpio_chip = bcm2835_gpio_chip; + match = of_match_node(bcm2835_pinctrl_match, pdev->dev.of_node); + if (!match) + return -EINVAL; + + pdata = (struct bcm_plat_data *)match->data; + + memcpy(&pc->gpio_chip, pdata->gpio_chip, sizeof(pc->gpio_chip)); pc->gpio_chip.parent = dev; pc->gpio_chip.of_node = np; @@ -1159,19 +1195,14 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) return err; } - match = of_match_node(bcm2835_pinctrl_match, pdev->dev.of_node); - if (match) { - bcm2835_pinctrl_desc.confops = - (const struct pinconf_ops *)match->data; - } - - pc->pctl_dev = devm_pinctrl_register(dev, &bcm2835_pinctrl_desc, pc); + memcpy(&pc->pctl_desc, pdata->pctl_desc, sizeof(pc->pctl_desc)); + pc->pctl_dev = devm_pinctrl_register(dev, &pc->pctl_desc, pc); if (IS_ERR(pc->pctl_dev)) { gpiochip_remove(&pc->gpio_chip); return PTR_ERR(pc->pctl_dev); } - pc->gpio_range = bcm2835_pinctrl_gpio_range; + memcpy(&pc->gpio_range, pdata->gpio_range, sizeof(pc->gpio_range)); pc->gpio_range.base = pc->gpio_chip.base; pc->gpio_range.gc = &pc->gpio_chip; pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range); -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel