{"id":2221770,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2221770/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260410-topic-cpsw-switch-v2026-07-next-v1-4-c914724b13e4@baylibre.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.2/projects/18/?format=json","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":"<20260410-topic-cpsw-switch-v2026-07-next-v1-4-c914724b13e4@baylibre.com>","list_archive_url":null,"date":"2026-04-10T11:04:06","name":"[4/4] net: cpsw: Support new cpsw-switch DT bindings","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f14eb05a3fa48849756c0f2b99f9f15ec3cc5627","submitter":{"id":82333,"url":"http://patchwork.ozlabs.org/api/1.2/people/82333/?format=json","name":"Markus Schneider-Pargmann (TI)","email":"msp@baylibre.com"},"delegate":{"id":157425,"url":"http://patchwork.ozlabs.org/api/1.2/users/157425/?format=json","username":"jforissier","first_name":"Jerome","last_name":"Forissier","email":"jerome.forissier@linaro.org"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260410-topic-cpsw-switch-v2026-07-next-v1-4-c914724b13e4@baylibre.com/mbox/","series":[{"id":499440,"url":"http://patchwork.ozlabs.org/api/1.2/series/499440/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=499440","date":"2026-04-10T11:04:02","name":"net: cpsw: Add cpsw-switch DT binding support","version":1,"mbox":"http://patchwork.ozlabs.org/series/499440/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2221770/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221770/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=baylibre-com.20251104.gappssmtp.com\n header.i=@baylibre-com.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=kSnOQD64;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"\n <20260410-topic-cpsw-switch-v2026-07-next-v1-4-c914724b13e4@baylibre.com>","References":"\n <20260410-topic-cpsw-switch-v2026-07-next-v1-0-c914724b13e4@baylibre.com>","In-Reply-To":"\n <20260410-topic-cpsw-switch-v2026-07-next-v1-0-c914724b13e4@baylibre.com>","To":"u-boot@lists.denx.de","Cc":"Jerome Forissier ,\n Tom Rini ,\n \"Markus Schneider-Pargmann (TI)\" ","X-Mailer":"b4 0.14.2","X-Developer-Signature":"v=1; a=openpgp-sha256; l=6318; i=msp@baylibre.com;\n h=from:subject:message-id; bh=sC3LWihHEDj9ddzcYcUMy8y13zKnmjUYHGMG24BggXc=;\n b=owGbwMvMwCXWejAsc4KoVzDjabUkhswbN61DDs+OXxosvfTIz0eecossHPS/ddiWqb10lS2Xf\n uXxRuxmRykLgxgXg6yYIktnYmjaf/mdx5IXLdsMM4eVCWQIAxenAEzkiBcjw4fvzpd5ph2dXrf0\n 614zVZ1l589+LrOt0bykKTu3u+PCgVeMDPdcsvtuxjddy7jNeeGCmeXZShfeNakBmj7mSh35d+y\n mMgIA","X-Developer-Key":"i=msp@baylibre.com; a=openpgp;\n fpr=BADD88DB889FDC3E8A3D5FE612FA6A01E0A45B41","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"Upstream devicetrees use a newer DT binding using cpsw-switch\ncompatibles. The bindings are a bit different, so two functions are\nintroduced to capture the differences, cpsw_eth_of_to_plat_switch() and\ncpsw_eth_of_to_plat_legacy().\n\nSigned-off-by: Markus Schneider-Pargmann (TI) \n---\n drivers/net/ti/cpsw.c | 148 +++++++++++++++++++++++++++++++++++++++-----------\n 1 file changed, 115 insertions(+), 33 deletions(-)","diff":"diff --git a/drivers/net/ti/cpsw.c b/drivers/net/ti/cpsw.c\nindex b1fb009822e9586886e5487e4fbeee115eec9a59..7a7cb83bd9847bc79ed21b2786ef6fe869e3fc0d 100644\n--- a/drivers/net/ti/cpsw.c\n+++ b/drivers/net/ti/cpsw.c\n@@ -33,6 +33,7 @@\n #define PKT_MAX\t\t\t(1500 + 14 + 4 + 4)\n #define CLEAR_BIT\t\t1\n #define GIGABITEN\t\tBIT(7)\n+#define GMII_EN\t\t\tBIT(5)\n #define FULLDUPLEXEN\t\tBIT(0)\n #define MIIEN\t\t\tBIT(15)\n #define CTL_EXT_EN\t\tBIT(18)\n@@ -1133,33 +1134,13 @@ static void cpsw_eth_of_parse_slave(struct cpsw_platform_data *data,\n \t\t\t\t\t\t\t\"max-speed\", 0);\n }\n \n-static int cpsw_eth_of_to_plat(struct udevice *dev)\n+static int cpsw_eth_of_to_plat_legacy(struct udevice *dev,\n+\t\t\t\t struct cpsw_platform_data *data)\n {\n-\tstruct eth_pdata *pdata = dev_get_plat(dev);\n-\tstruct cpsw_platform_data *data;\n-\tstruct gpio_desc *mode_gpios;\n \tint slave_index = 0;\n-\tint num_mode_gpios;\n \tofnode subnode;\n \tint ret;\n \n-\tdata = calloc(1, sizeof(struct cpsw_platform_data));\n-\tif (!data)\n-\t\treturn -ENOMEM;\n-\n-\tpdata->priv_pdata = data;\n-\tpdata->iobase = dev_read_addr(dev);\n-\tdata->version = CPSW_CTRL_VERSION_2;\n-\tdata->bd_ram_ofs = CPSW_BD_OFFSET;\n-\tdata->ale_reg_ofs = CPSW_ALE_OFFSET;\n-\tdata->cpdma_reg_ofs = CPSW_CPDMA_OFFSET;\n-\tdata->mdio_div = CPSW_MDIO_DIV;\n-\tdata->host_port_reg_ofs = CPSW_HOST_PORT_OFFSET,\n-\n-\tpdata->phy_interface = -1;\n-\n-\tdata->cpsw_base = pdata->iobase;\n-\n \tret = dev_read_s32(dev, \"cpdma_channels\", &data->channels);\n \tif (ret) {\n \t\tprintf(\"error: cpdma_channels not found in dt\\n\");\n@@ -1192,17 +1173,6 @@ static int cpsw_eth_of_to_plat(struct udevice *dev)\n \t\treturn ret;\n \t}\n \n-\tnum_mode_gpios = gpio_get_list_count(dev, \"mode-gpios\");\n-\tif (num_mode_gpios > 0) {\n-\t\tmode_gpios = malloc(sizeof(struct gpio_desc) *\n-\t\t\t\t num_mode_gpios);\n-\t\tgpio_request_list_by_name(dev, \"mode-gpios\", mode_gpios,\n-\t\t\t\t\t num_mode_gpios, GPIOD_IS_OUT);\n-\t\tfree(mode_gpios);\n-\t}\n-\n-\tdata->active_slave = dev_read_u32_default(dev, \"active_slave\", 0);\n-\n \tofnode_for_each_subnode(subnode, dev_ofnode(dev)) {\n \t\tconst char *name;\n \n@@ -1236,6 +1206,115 @@ static int cpsw_eth_of_to_plat(struct udevice *dev)\n \t\t}\n \t}\n \n+\treturn 0;\n+}\n+\n+static int cpsw_eth_of_to_plat_switch(struct udevice *dev,\n+\t\t\t\t struct cpsw_platform_data *data)\n+{\n+\tofnode eth_ports_node, subnode;\n+\tint ret;\n+\n+\tdata->channels = 8;\n+\tdata->ale_entries = 1024;\n+\tdata->mac_control = GMII_EN;\n+\n+\teth_ports_node = ofnode_find_subnode(dev_ofnode(dev), \"ethernet-ports\");\n+\tdata->slaves = ofnode_get_child_count(eth_ports_node);\n+\tif (!data->slaves) {\n+\t\tpr_err(\"cpsw: No ethernet-ports defined\\n\");\n+\t\treturn -EINVAL;\n+\t}\n+\n+\tdata->slave_data = malloc(sizeof(struct cpsw_slave_data) * data->slaves);\n+\tif (!data->slave_data)\n+\t\treturn -ENOMEM;\n+\n+\tofnode_for_each_subnode(subnode, eth_ports_node) {\n+\t\tstruct ofnode_phandle_args args;\n+\t\tu32 port_id;\n+\n+\t\tret = ofnode_read_u32(subnode, \"reg\", &port_id);\n+\t\tif (ret || !port_id || port_id > data->slaves) {\n+\t\t\tpr_err(\"cpsw: invalid or missing reg in port node\\n\");\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\n+\t\tcpsw_eth_of_parse_slave(data, port_id - 1, subnode);\n+\n+\t\tif (!data->gmii_sel) {\n+\t\t\tret = ofnode_parse_phandle_with_args(subnode, \"phys\", \"#phy-cells\",\n+\t\t\t\t\t\t\t 0, 0, &args);\n+\t\t\tif (!ret)\n+\t\t\t\tdata->gmii_sel = ofnode_get_addr(args.node);\n+\t\t}\n+\t}\n+\n+\tif (!data->gmii_sel) {\n+\t\tpr_err(\"No port specified phys correctly\\n\");\n+\t\treturn -ENOENT;\n+\t}\n+\n+\tofnode_for_each_subnode(subnode, dev_ofnode(dev)) {\n+\t\tconst char *name = ofnode_get_name(subnode);\n+\n+\t\tif (strncmp(name, \"mdio\", 4))\n+\t\t\tcontinue;\n+\n+\t\tdata->mdio_base = ofnode_get_addr(subnode);\n+\t\tif (data->mdio_base == FDT_ADDR_T_NONE) {\n+\t\t\tpr_err(\"Not able to get MDIO address space\\n\");\n+\t\t\treturn -ENOENT;\n+\t\t}\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int cpsw_eth_of_to_plat(struct udevice *dev)\n+{\n+\tstruct eth_pdata *pdata = dev_get_plat(dev);\n+\tstruct cpsw_platform_data *data;\n+\tstruct gpio_desc *mode_gpios;\n+\tint num_mode_gpios;\n+\tint ret;\n+\tbool switch_dt_bindings =\n+\t\tofnode_valid(ofnode_find_subnode(dev_ofnode(dev), \"ethernet-ports\"));\n+\n+\tdata = calloc(1, sizeof(struct cpsw_platform_data));\n+\tif (!data)\n+\t\treturn -ENOMEM;\n+\n+\tpdata->priv_pdata = data;\n+\tpdata->iobase = dev_read_addr(dev);\n+\tdata->version = CPSW_CTRL_VERSION_2;\n+\tdata->bd_ram_ofs = CPSW_BD_OFFSET;\n+\tdata->ale_reg_ofs = CPSW_ALE_OFFSET;\n+\tdata->cpdma_reg_ofs = CPSW_CPDMA_OFFSET;\n+\tdata->mdio_div = CPSW_MDIO_DIV;\n+\tdata->host_port_reg_ofs = CPSW_HOST_PORT_OFFSET;\n+\n+\tpdata->phy_interface = -1;\n+\n+\tdata->cpsw_base = pdata->iobase;\n+\n+\tnum_mode_gpios = gpio_get_list_count(dev, \"mode-gpios\");\n+\tif (num_mode_gpios > 0) {\n+\t\tmode_gpios = malloc(sizeof(struct gpio_desc) * num_mode_gpios);\n+\t\tgpio_request_list_by_name(dev, \"mode-gpios\", mode_gpios,\n+\t\t\t\t\t num_mode_gpios, GPIOD_IS_OUT);\n+\t\tfree(mode_gpios);\n+\t}\n+\n+\tdata->active_slave = dev_read_u32_default(dev, \"active_slave\", 0);\n+\n+\tif (switch_dt_bindings)\n+\t\tret = cpsw_eth_of_to_plat_switch(dev, data);\n+\telse\n+\t\tret = cpsw_eth_of_to_plat_legacy(dev, data);\n+\tif (ret)\n+\t\treturn ret;\n+\n \tdata->slave_data[0].slave_reg_ofs = CPSW_SLAVE0_OFFSET;\n \tdata->slave_data[0].sliver_reg_ofs = CPSW_SLIVER0_OFFSET;\n \n@@ -1270,6 +1349,9 @@ static const struct udevice_id cpsw_eth_ids[] = {\n \t{ .compatible = \"ti,am335x-cpsw\",\t\t.data = (ulong)&cpsw_data_am3352 },\n \t{ .compatible = \"ti,am4372-cpsw\",\t\t.data = (ulong)&cpsw_data_am3352 },\n \t{ .compatible = \"ti,dra7-cpsw\",\t\t\t.data = (ulong)&cpsw_data_dra7xx },\n+\t{ .compatible = \"ti,am335x-cpsw-switch\",\t.data = (ulong)&cpsw_data_am3352 },\n+\t{ .compatible = \"ti,am4372-cpsw-switch\",\t.data = (ulong)&cpsw_data_am3352 },\n+\t{ .compatible = \"ti,dra7-cpsw-switch\",\t\t.data = (ulong)&cpsw_data_dra7xx },\n \t{ }\n };\n #endif\n","prefixes":["4/4"]}