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GET /api/patches/810245/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
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{
    "id": 810245,
    "url": "http://patchwork.ozlabs.org/api/patches/810245/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20170905182448.21932-1-moritz.fischer@ettus.com/",
    "project": {
        "id": 18,
        "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api",
        "name": "U-Boot",
        "link_name": "uboot",
        "list_id": "u-boot.lists.denx.de",
        "list_email": "u-boot@lists.denx.de",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170905182448.21932-1-moritz.fischer@ettus.com>",
    "list_archive_url": null,
    "date": "2017-09-05T18:24:48",
    "name": "[U-Boot] i2c: muxes: pca954x: Add support for GPIO reset line",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "ea54a7a3b1f1111036d00796ecc02409af0c3d5b",
    "submitter": {
        "id": 65751,
        "url": "http://patchwork.ozlabs.org/api/people/65751/?format=api",
        "name": "Moritz Fischer",
        "email": "moritz.fischer@ettus.com"
    },
    "delegate": {
        "id": 1691,
        "url": "http://patchwork.ozlabs.org/api/users/1691/?format=api",
        "username": "hs",
        "first_name": "Heiko",
        "last_name": "Schocher",
        "email": "hs@denx.de"
    },
    "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20170905182448.21932-1-moritz.fischer@ettus.com/mbox/",
    "series": [
        {
            "id": 1627,
            "url": "http://patchwork.ozlabs.org/api/series/1627/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=1627",
            "date": "2017-09-05T18:24:48",
            "name": "[U-Boot] i2c: muxes: pca954x: Add support for GPIO reset line",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/1627/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/810245/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/810245/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-Received": "by 10.98.150.151 with SMTP id s23mr4689318pfk.149.1504635840384; \n\tTue, 05 Sep 2017 11:24:00 -0700 (PDT)",
        "From": "Moritz Fischer <moritz.fischer@ettus.com>",
        "To": "u-boot@lists.denx.de",
        "Date": "Tue,  5 Sep 2017 11:24:48 -0700",
        "Message-Id": "<20170905182448.21932-1-moritz.fischer@ettus.com>",
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        "MIME-Version": "1.0",
        "Cc": "mdf@kernel.org, Stefan Roese <sr@denx.de>",
        "Subject": "[U-Boot] [PATCH] i2c: muxes: pca954x: Add support for GPIO reset\n\tline",
        "X-BeenThere": "u-boot@lists.denx.de",
        "X-Mailman-Version": "2.1.18",
        "Precedence": "list",
        "List-Id": "U-Boot discussion <u-boot.lists.denx.de>",
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        "Content-Type": "text/plain; charset=\"utf-8\"",
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        "Errors-To": "u-boot-bounces@lists.denx.de",
        "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>"
    },
    "content": "This commit adds support for GPIO reset lines matching the\ncommon linux \"reset-gpios\" devicetree binding.\n\nSigned-off-by: Moritz Fischer <moritz.fischer@ettus.com>\nCc: Heiko Schocher <hs@denx.de>\nCc: Stefan Roese <sr@denx.de>\nCc: Marek Behún <marek.behun@nic.cz>\nCc: Simon Glass <sjg@chromium.org>\nCc: Michal Simek <monstr@monstr.eu>\n\n---\n drivers/i2c/muxes/pca954x.c | 44 +++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 43 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/i2c/muxes/pca954x.c b/drivers/i2c/muxes/pca954x.c\nindex 383f72f552..dd28ff057b 100644\n--- a/drivers/i2c/muxes/pca954x.c\n+++ b/drivers/i2c/muxes/pca954x.c\n@@ -1,5 +1,6 @@\n /*\n  * Copyright (C) 2015 - 2016 Xilinx, Inc.\n+ * Copyright (C) 2017 National Instruments Corp\n  * Written by Michal Simek\n  *\n  * SPDX-License-Identifier:\tGPL-2.0+\n@@ -9,7 +10,10 @@\n #include <dm.h>\n #include <errno.h>\n #include <i2c.h>\n-#include <asm/gpio.h>\n+\n+#if CONFIG_DM_GPIO\n+# include <asm-generic/gpio.h>\n+#endif /* CONFIG_DM_GPIO */\n \n DECLARE_GLOBAL_DATA_PTR;\n \n@@ -30,6 +34,9 @@ struct chip_desc {\n struct pca954x_priv {\n \tu32 addr; /* I2C mux address */\n \tu32 width; /* I2C mux width - number of busses */\n+#ifdef CONFIG_DM_GPIO\n+\tstruct gpio_desc gpio_mux_reset;\n+#endif /* CONFIG_DM_GPIO */\n };\n \n static const struct chip_desc chips[] = {\n@@ -105,10 +112,45 @@ static int pca954x_ofdata_to_platdata(struct udevice *dev)\n \treturn 0;\n }\n \n+static int pca954x_probe(struct udevice *dev)\n+{\n+#ifdef CONFIG_DM_GPIO\n+\tstruct pca954x_priv *priv = dev_get_priv(dev);\n+\tint err;\n+\n+\terr = gpio_request_by_name(dev, \"reset-gpios\", 0,\n+\t\t\t&priv->gpio_mux_reset, GPIOD_IS_OUT);\n+\n+\t/* it's optional so only bail if we get a real error */\n+\tif (err && (err != -ENOENT))\n+\t\treturn err;\n+\n+\t/* dm will take care of polarity */\n+\tif (dm_gpio_is_valid(&priv->gpio_mux_reset))\n+\t\tdm_gpio_set_value(&priv->gpio_mux_reset, 0);\n+\n+#endif /* CONFIG_DM_GPIO */\n+\treturn 0;\n+}\n+\n+static int pca954x_remove(struct udevice *dev)\n+{\n+#ifdef CONFIG_DM_GPIO\n+\tstruct pca954x_priv *priv = dev_get_priv(dev);\n+\n+\tif (dm_gpio_is_valid(&priv->gpio_mux_reset))\n+\t\tdm_gpio_free(dev, &priv->gpio_mux_reset);\n+\n+#endif /* CONFIG_DM_GPIO */\n+\treturn 0;\n+}\n+\n U_BOOT_DRIVER(pca954x) = {\n \t.name = \"pca954x\",\n \t.id = UCLASS_I2C_MUX,\n \t.of_match = pca954x_ids,\n+\t.probe = pca954x_probe,\n+\t.remove = pca954x_remove,\n \t.ops = &pca954x_ops,\n \t.ofdata_to_platdata = pca954x_ofdata_to_platdata,\n \t.priv_auto_alloc_size = sizeof(struct pca954x_priv),\n",
    "prefixes": [
        "U-Boot"
    ]
}