Drop pending patch backported as fixes in later kernel version.
Signed-off-by: Weijie Gao <hackpascal@gmail.com>
+++ /dev/null
-From f7982c726e02001afc19052fe48f642dfcbc00b2 Mon Sep 17 00:00:00 2001
-From: Vincent Tremblay <vincent@vtremblay.dev>
-Date: Mon, 26 Dec 2022 21:10:37 -0500
-Subject: [PATCH 1/2] spidev: Add Silicon Labs EM3581 device compatible
-
-Add compatible string for Silicon Labs EM3581 device.
-
-Note: This patch is adapted from a patch submitted to the for-next branch (v6.3).
-
-Signed-off-by: Vincent Tremblay <vincent@vtremblay.dev>
----
- drivers/spi/spidev.c | 2 ++
- 1 file changed, 2 insertions(+)
-
---- a/drivers/spi/spidev.c
-+++ b/drivers/spi/spidev.c
-@@ -700,6 +700,7 @@ static const struct spi_device_id spidev
- { .name = "m53cpld" },
- { .name = "spi-petra" },
- { .name = "spi-authenta" },
-+ { .name = "em3581" },
- {},
- };
- MODULE_DEVICE_TABLE(spi, spidev_spi_ids);
-@@ -726,6 +727,7 @@ static const struct of_device_id spidev_
- { .compatible = "menlo,m53cpld", .data = &spidev_of_check },
- { .compatible = "cisco,spi-petra", .data = &spidev_of_check },
- { .compatible = "micron,spi-authenta", .data = &spidev_of_check },
-+ { .compatible = "silabs,em3581", .data = &spidev_of_check },
- {},
- };
- MODULE_DEVICE_TABLE(of, spidev_dt_ids);
+++ /dev/null
-From 536581825219e97fa2ae0c4de35605d2f6311416 Mon Sep 17 00:00:00 2001
-From: Vincent Tremblay <vincent@vtremblay.dev>
-Date: Tue, 27 Dec 2022 09:00:58 -0500
-Subject: [PATCH 2/2] spidev: Add Silicon Labs SI3210 device compatible
-
-Add compatible string for Silicon Labs SI3210 device.
-
-Note: This patch is adapted from a patch submitted to the for-next branch (v6.3).
-
-Signed-off-by: Vincent Tremblay <vincent@vtremblay.dev>
----
- drivers/spi/spidev.c | 2 ++
- 1 file changed, 2 insertions(+)
-
---- a/drivers/spi/spidev.c
-+++ b/drivers/spi/spidev.c
-@@ -701,6 +701,7 @@ static const struct spi_device_id spidev
- { .name = "spi-petra" },
- { .name = "spi-authenta" },
- { .name = "em3581" },
-+ { .name = "si3210" },
- {},
- };
- MODULE_DEVICE_TABLE(spi, spidev_spi_ids);
-@@ -728,6 +729,7 @@ static const struct of_device_id spidev_
- { .compatible = "cisco,spi-petra", .data = &spidev_of_check },
- { .compatible = "micron,spi-authenta", .data = &spidev_of_check },
- { .compatible = "silabs,em3581", .data = &spidev_of_check },
-+ { .compatible = "silabs,si3210", .data = &spidev_of_check },
- {},
- };
- MODULE_DEVICE_TABLE(of, spidev_dt_ids);
+++ /dev/null
-From: Imre Kaloz <kaloz@openwrt.org>
-Subject: [PATCH] hack: net: wireless: make the wl12xx glue code available with
- compat-wireless, too
-
-Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
----
- drivers/net/wireless/ti/Kconfig | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/drivers/net/wireless/ti/Kconfig
-+++ b/drivers/net/wireless/ti/Kconfig
-@@ -20,7 +20,7 @@ source "drivers/net/wireless/ti/wlcore/K
-
- config WILINK_PLATFORM_DATA
- bool "TI WiLink platform data"
-- depends on WLCORE_SDIO || WL1251_SDIO
-+ depends on WLCORE_SDIO || WL1251_SDIO || ARCH_OMAP2PLUS
- default y
- help
- Small platform data bit needed to pass data to the sdio modules.
+++ /dev/null
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-From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
-To: f.fainelli@gmail.com, jonas.gorski@gmail.com,
- bcm-kernel-feedback-list@broadcom.com, tglx@linutronix.de,
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-Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
-Subject: [PATCH v2] irqchip/bcm-6345-l1: request memory region
-Date: Thu, 16 Mar 2023 20:28:33 +0100
-Message-Id: <20230316192833.1603149-1-noltari@gmail.com>
-X-Mailer: git-send-email 2.30.2
-In-Reply-To: <20230316180701.783785-1-noltari@gmail.com>
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-
-Request memory region in order to display it in /proc/iomem.
-Also stop printing the MMIO address since it just displays (ptrval).
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
-Acked-by: Florian Fainelli <f.fainelli@gmail.com>
----
- v2: request memory region and stop displaying MMIO address.
-
- drivers/irqchip/irq-bcm6345-l1.c | 6 ++++--
- 1 file changed, 4 insertions(+), 2 deletions(-)
-
---- a/drivers/irqchip/irq-bcm6345-l1.c
-+++ b/drivers/irqchip/irq-bcm6345-l1.c
-@@ -253,6 +253,9 @@ static int __init bcm6345_l1_init_one(st
- if (!cpu->map_base)
- return -ENOMEM;
-
-+ if (!request_mem_region(res.start, sz, res.name))
-+ pr_err("failed to request intc memory");
-+
- for (i = 0; i < n_words; i++) {
- cpu->enable_cache[i] = 0;
- __raw_writel(0, cpu->map_base + reg_enable(intc, i));
-@@ -331,8 +334,7 @@ static int __init bcm6345_l1_of_init(str
- for_each_cpu(idx, &intc->cpumask) {
- struct bcm6345_l1_cpu *cpu = intc->cpus[idx];
-
-- pr_info(" CPU%u at MMIO 0x%p (irq = %d)\n", idx,
-- cpu->map_base, cpu->parent_irq);
-+ pr_info(" CPU%u (irq = %d)\n", idx, cpu->parent_irq);
- }
-
- return 0;
+++ /dev/null
-From a43b844cb40bf1b783055fdc81b7f991e21e7e76 Mon Sep 17 00:00:00 2001
-From: Chuanhong Guo <gch981213@gmail.com>
-Date: Wed, 13 Apr 2022 11:58:17 +0800
-Subject: [PATCH] mtd: spinand: add support for ESMT F50x1G41LB
-
-This patch adds support for ESMT F50L1G41LB and F50D1G41LB.
-It seems that ESMT likes to use random JEDEC ID from other vendors.
-Their 1G chips uses 0xc8 from GigaDevice and 2G/4G chips uses 0x2c from
-Micron. For this reason, the ESMT entry is named esmt_c8 with explicit
-JEDEC ID in variable name.
-
-Datasheets:
-https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/F50L1G41LB(2M).pdf
-https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/F50D1G41LB(2M).pdf
-
-Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
----
- drivers/mtd/nand/spi/Makefile | 2 +-
- drivers/mtd/nand/spi/core.c | 1 +
- drivers/mtd/nand/spi/esmt.c | 89 +++++++++++++++++++++++++++++++++++
- include/linux/mtd/spinand.h | 1 +
- 4 files changed, 92 insertions(+), 1 deletion(-)
- create mode 100644 drivers/mtd/nand/spi/esmt.c
-
---- a/drivers/mtd/nand/spi/Makefile
-+++ b/drivers/mtd/nand/spi/Makefile
-@@ -1,3 +1,3 @@
- # SPDX-License-Identifier: GPL-2.0
--spinand-objs := core.o ato.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o xtx.o
-+spinand-objs := core.o ato.o esmt.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o xtx.o
- obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
---- a/drivers/mtd/nand/spi/core.c
-+++ b/drivers/mtd/nand/spi/core.c
-@@ -938,6 +938,7 @@ static const struct nand_ops spinand_ops
-
- static const struct spinand_manufacturer *spinand_manufacturers[] = {
- &ato_spinand_manufacturer,
-+ &esmt_c8_spinand_manufacturer,
- &gigadevice_spinand_manufacturer,
- ¯onix_spinand_manufacturer,
- µn_spinand_manufacturer,
---- /dev/null
-+++ b/drivers/mtd/nand/spi/esmt.c
-@@ -0,0 +1,89 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * Author:
-+ * Chuanhong Guo <gch981213@gmail.com>
-+ */
-+
-+#include <linux/device.h>
-+#include <linux/kernel.h>
-+#include <linux/mtd/spinand.h>
-+
-+/* ESMT uses GigaDevice 0xc8 JECDEC ID on some SPI NANDs */
-+#define SPINAND_MFR_ESMT_C8 0xc8
-+
-+static SPINAND_OP_VARIANTS(read_cache_variants,
-+ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
-+ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
-+ SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
-+ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
-+ SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
-+ SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
-+
-+static SPINAND_OP_VARIANTS(write_cache_variants,
-+ SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
-+ SPINAND_PROG_LOAD(true, 0, NULL, 0));
-+
-+static SPINAND_OP_VARIANTS(update_cache_variants,
-+ SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
-+ SPINAND_PROG_LOAD(false, 0, NULL, 0));
-+
-+static int f50l1g41lb_ooblayout_ecc(struct mtd_info *mtd, int section,
-+ struct mtd_oob_region *region)
-+{
-+ if (section > 3)
-+ return -ERANGE;
-+
-+ region->offset = 16 * section + 8;
-+ region->length = 8;
-+
-+ return 0;
-+}
-+
-+static int f50l1g41lb_ooblayout_free(struct mtd_info *mtd, int section,
-+ struct mtd_oob_region *region)
-+{
-+ if (section > 3)
-+ return -ERANGE;
-+
-+ region->offset = 16 * section + 2;
-+ region->length = 6;
-+
-+ return 0;
-+}
-+
-+static const struct mtd_ooblayout_ops f50l1g41lb_ooblayout = {
-+ .ecc = f50l1g41lb_ooblayout_ecc,
-+ .free = f50l1g41lb_ooblayout_free,
-+};
-+
-+static const struct spinand_info esmt_c8_spinand_table[] = {
-+ SPINAND_INFO("F50L1G41LB",
-+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x01),
-+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
-+ NAND_ECCREQ(1, 512),
-+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
-+ &write_cache_variants,
-+ &update_cache_variants),
-+ 0,
-+ SPINAND_ECCINFO(&f50l1g41lb_ooblayout, NULL)),
-+ SPINAND_INFO("F50D1G41LB",
-+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x11),
-+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
-+ NAND_ECCREQ(1, 512),
-+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
-+ &write_cache_variants,
-+ &update_cache_variants),
-+ 0,
-+ SPINAND_ECCINFO(&f50l1g41lb_ooblayout, NULL)),
-+};
-+
-+static const struct spinand_manufacturer_ops esmt_spinand_manuf_ops = {
-+};
-+
-+const struct spinand_manufacturer esmt_c8_spinand_manufacturer = {
-+ .id = SPINAND_MFR_ESMT_C8,
-+ .name = "ESMT",
-+ .chips = esmt_c8_spinand_table,
-+ .nchips = ARRAY_SIZE(esmt_c8_spinand_table),
-+ .ops = &esmt_spinand_manuf_ops,
-+};
---- a/include/linux/mtd/spinand.h
-+++ b/include/linux/mtd/spinand.h
-@@ -261,6 +261,7 @@ struct spinand_manufacturer {
-
- /* SPI NAND manufacturers */
- extern const struct spinand_manufacturer ato_spinand_manufacturer;
-+extern const struct spinand_manufacturer esmt_c8_spinand_manufacturer;
- extern const struct spinand_manufacturer gigadevice_spinand_manufacturer;
- extern const struct spinand_manufacturer macronix_spinand_manufacturer;
- extern const struct spinand_manufacturer micron_spinand_manufacturer;
+++ /dev/null
-From: Felix Fietkau <nbd@nbd.name>
-Date: Wed, 29 Mar 2023 16:02:54 +0200
-Subject: [PATCH] net: ethernet: mtk_eth_soc: fix remaining throughput
- regression
-
-Based on further tests, it seems that the QDMA shaper is not able to
-perform shaping close to the MAC link rate without throughput loss.
-This cannot be compensated by increasing the shaping rate, so it seems
-to be an internal limit.
-
-Fix the remaining throughput regression by detecting that condition and
-limiting shaping to ports with lower link speed.
-
-This patch intentionally ignores link speed gain from TRGMII, because
-even on such links, shaping to 1000 Mbit/s incurs some throughput
-degradation.
-
-Fixes: f63959c7eec3 ("net: ethernet: mtk_eth_soc: implement multi-queue support for per-port queues")
-Reported-by: Frank Wunderlich <frank-w@public-files.de>
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-@@ -767,6 +767,7 @@ static void mtk_mac_link_up(struct phyli
- MAC_MCR_FORCE_RX_FC);
-
- /* Configure speed */
-+ mac->speed = speed;
- switch (speed) {
- case SPEED_2500:
- case SPEED_1000:
-@@ -3348,6 +3349,9 @@ found:
- if (dp->index >= MTK_QDMA_NUM_QUEUES)
- return NOTIFY_DONE;
-
-+ if (mac->speed > 0 && mac->speed <= s.base.speed)
-+ s.base.speed = 0;
-+
- mtk_set_queue_speed(eth, dp->index + 3, s.base.speed);
-
- return NOTIFY_DONE;
+++ /dev/null
-From: Felix Fietkau <nbd@nbd.name>
-Date: Tue, 27 Dec 2022 15:02:51 +0100
-Subject: [PATCH] net: ethernet: mtk_eth_soc: ppe: fix L2 offloading with DSA
- untagging offload enabled
-
-Check for skb metadata in order to detect the case where the DSA header is not
-present.
-
-Fixes: 2d7605a72906 ("net: ethernet: mtk_eth_soc: enable hardware DSA untagging")
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/drivers/net/ethernet/mediatek/mtk_ppe.c
-+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
-@@ -8,6 +8,7 @@
- #include <linux/platform_device.h>
- #include <linux/if_ether.h>
- #include <linux/if_vlan.h>
-+#include <net/dst_metadata.h>
- #include <net/dsa.h>
- #include "mtk_eth_soc.h"
- #include "mtk_ppe.h"
-@@ -829,7 +830,9 @@ void __mtk_ppe_check_skb(struct mtk_ppe
- skb->dev->dsa_ptr->tag_ops->proto != DSA_TAG_PROTO_MTK)
- goto out;
-
-- tag += 4;
-+ if (!skb_metadata_dst(skb))
-+ tag += 4;
-+
- if (get_unaligned_be16(tag) != ETH_P_8021Q)
- break;
-
+++ /dev/null
-From dee3f591103910c8d8b2a6d57879ccd2a4be4b10 Mon Sep 17 00:00:00 2001
-Message-ID: <dee3f591103910c8d8b2a6d57879ccd2a4be4b10.1706067287.git.daniel@makrotopia.org>
-From: Daniel Golle <daniel@makrotopia.org>
-Date: Wed, 24 Jan 2024 03:19:49 +0000
-Subject: [PATCH net] net: ethernet: mtk_eth_soc: set coherent mask to get PPE
- working
-To: Felix Fietkau <nbd@nbd.name>,
- Sean Wang <sean.wang@mediatek.com>,
- Mark Lee <Mark-MC.Lee@mediatek.com>,
- Lorenzo Bianconi <lorenzo@kernel.org>,
- David S. Miller <davem@davemloft.net>,
- Eric Dumazet <edumazet@google.com>,
- Jakub Kicinski <kuba@kernel.org>,
- Paolo Abeni <pabeni@redhat.com>,
- Matthias Brugger <matthias.bgg@gmail.com>,
- AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
- Daniel Golle <daniel@makrotopia.org>,
- netdev@vger.kernel.org,
- linux-kernel@vger.kernel.org,
- linux-arm-kernel@lists.infradead.org,
- linux-mediatek@lists.infradead.org
-
-Set DMA coherent mask to 32-bit which makes PPE offloading engine start
-working on BPi-R4 which got 4 GiB of RAM.
-
-Fixes: 2d75891ebc09 ("net: ethernet: mtk_eth_soc: support 36-bit DMA addressing on MT7988")
-Suggested-by: Elad Yifee <eladwf@users.github.com>
-Signed-off-by: Daniel Golle <daniel@makrotopia.org>
----
- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 5 ++++-
- 1 file changed, 4 insertions(+), 1 deletion(-)
-
---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-@@ -4963,7 +4963,10 @@ static int mtk_probe(struct platform_dev
- }
-
- if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) {
-- err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(36));
-+ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(36));
-+ if (!err)
-+ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
-+
- if (err) {
- dev_err(&pdev->dev, "Wrong DMA config\n");
- return -EINVAL;
+++ /dev/null
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-From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
-To: f.fainelli@gmail.com, jonas.gorski@gmail.com, andrew@lunn.ch,
- olteanv@gmail.com, davem@davemloft.net, edumazet@google.com,
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-Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
-Subject: [PATCH v2] net: dsa: b53: add support for BCM63xx RGMIIs
-Date: Sun, 19 Mar 2023 23:08:05 +0100
-Message-Id: <20230319220805.124024-1-noltari@gmail.com>
-X-Mailer: git-send-email 2.30.2
-In-Reply-To: <20230319183330.761251-1-noltari@gmail.com>
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-
-BCM63xx RGMII ports require additional configuration in order to work.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
-Reviewed-by: Andrew Lunn <andrew@lunn.ch>
----
- v2: add changes suggested by Andrew:
- - Use a switch statement.
- - Use dev_dbg() instead of dev_info().
-
- drivers/net/dsa/b53/b53_common.c | 46 ++++++++++++++++++++++++++++++++
- drivers/net/dsa/b53/b53_priv.h | 1 +
- 2 files changed, 47 insertions(+)
-
---- a/drivers/net/dsa/b53/b53_common.c
-+++ b/drivers/net/dsa/b53/b53_common.c
-@@ -1209,6 +1209,46 @@ static void b53_force_port_config(struct
- b53_write8(dev, B53_CTRL_PAGE, off, reg);
- }
-
-+static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port,
-+ phy_interface_t interface)
-+{
-+ struct b53_device *dev = ds->priv;
-+ u8 rgmii_ctrl = 0, off;
-+
-+ if (port == dev->imp_port)
-+ off = B53_RGMII_CTRL_IMP;
-+ else
-+ off = B53_RGMII_CTRL_P(port);
-+
-+ b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl);
-+
-+ switch (interface) {
-+ case PHY_INTERFACE_MODE_RGMII_ID:
-+ rgmii_ctrl |= (RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC);
-+ break;
-+ case PHY_INTERFACE_MODE_RGMII_RXID:
-+ rgmii_ctrl &= ~(RGMII_CTRL_DLL_TXC);
-+ rgmii_ctrl |= RGMII_CTRL_DLL_RXC;
-+ break;
-+ case PHY_INTERFACE_MODE_RGMII_TXID:
-+ rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC);
-+ rgmii_ctrl |= RGMII_CTRL_DLL_TXC;
-+ break;
-+ case PHY_INTERFACE_MODE_RGMII:
-+ default:
-+ rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC);
-+ break;
-+ }
-+
-+ if (port != dev->imp_port)
-+ rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;
-+
-+ b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
-+
-+ dev_dbg(ds->dev, "Configured port %d for %s\n", port,
-+ phy_modes(interface));
-+}
-+
- static void b53_adjust_link(struct dsa_switch *ds, int port,
- struct phy_device *phydev)
- {
-@@ -1235,6 +1275,9 @@ static void b53_adjust_link(struct dsa_s
- tx_pause, rx_pause);
- b53_force_link(dev, port, phydev->link);
-
-+ if (is63xx(dev) && port >= B53_63XX_RGMII0)
-+ b53_adjust_63xx_rgmii(ds, port, phydev->interface);
-+
- if (is531x5(dev) && phy_interface_is_rgmii(phydev)) {
- if (port == dev->imp_port)
- off = B53_RGMII_CTRL_IMP;
-@@ -1402,6 +1445,9 @@ void b53_phylink_mac_link_up(struct dsa_
- {
- struct b53_device *dev = ds->priv;
-
-+ if (is63xx(dev) && port >= B53_63XX_RGMII0)
-+ b53_adjust_63xx_rgmii(ds, port, interface);
-+
- if (mode == MLO_AN_PHY)
- return;
-
---- a/drivers/net/dsa/b53/b53_priv.h
-+++ b/drivers/net/dsa/b53/b53_priv.h
-@@ -211,6 +211,7 @@ static inline int is58xx(struct b53_devi
- dev->chip_id == BCM7278_DEVICE_ID;
- }
-
-+#define B53_63XX_RGMII0 4
- #define B53_CPU_PORT_25 5
- #define B53_CPU_PORT 8
-
+++ /dev/null
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- [79.146.124.255])
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-From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
-To: f.fainelli@gmail.com, jonas.gorski@gmail.com, andrew@lunn.ch,
- olteanv@gmail.com, davem@davemloft.net, edumazet@google.com,
- kuba@kernel.org, pabeni@redhat.com, robh+dt@kernel.org,
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-Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
-Subject: [PATCH v2 2/4] net: dsa: b53: mmap: add more 63xx SoCs
-Date: Tue, 21 Mar 2023 18:33:57 +0100
-Message-Id: <20230321173359.251778-3-noltari@gmail.com>
-X-Mailer: git-send-email 2.30.2
-In-Reply-To: <20230321173359.251778-1-noltari@gmail.com>
-References: <20230320155024.164523-1-noltari@gmail.com>
- <20230321173359.251778-1-noltari@gmail.com>
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-X-Patchwork-Delegate: kuba@kernel.org
-
-BCM6318, BCM6362 and BCM63268 are SoCs with a B53 MMAP switch.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
-Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
----
- v2: no changes.
-
- drivers/net/dsa/b53/b53_mmap.c | 3 +++
- 1 file changed, 3 insertions(+)
-
---- a/drivers/net/dsa/b53/b53_mmap.c
-+++ b/drivers/net/dsa/b53/b53_mmap.c
-@@ -345,8 +345,11 @@ static void b53_mmap_shutdown(struct pla
-
- static const struct of_device_id b53_mmap_of_table[] = {
- { .compatible = "brcm,bcm3384-switch" },
-+ { .compatible = "brcm,bcm6318-switch" },
- { .compatible = "brcm,bcm6328-switch" },
-+ { .compatible = "brcm,bcm6362-switch" },
- { .compatible = "brcm,bcm6368-switch" },
-+ { .compatible = "brcm,bcm63268-switch" },
- { .compatible = "brcm,bcm63xx-switch" },
- { /* sentinel */ },
- };
+++ /dev/null
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-To: f.fainelli@gmail.com, jonas.gorski@gmail.com, andrew@lunn.ch,
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-Subject: [PATCH v2 3/4] net: dsa: b53: mmap: allow passing a chip ID
-Date: Tue, 21 Mar 2023 18:33:58 +0100
-Message-Id: <20230321173359.251778-4-noltari@gmail.com>
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-
-BCM6318 and BCM63268 SoCs require a special handling for their RGMIIs, so we
-should be able to identify them as a special BCM63xx switch.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
----
- v2:
- - Add missing chip to b53_switch_chips[].
- - Fix device_get_match_data() casting warning.
- - Add BCM63268_DEVICE_ID to BCM6318 too.
- - Add BCM6318 in commit description.
-
- drivers/net/dsa/b53/b53_common.c | 13 +++++++++++++
- drivers/net/dsa/b53/b53_mmap.c | 32 +++++++++++++++++++++++---------
- drivers/net/dsa/b53/b53_priv.h | 9 ++++++++-
- 3 files changed, 44 insertions(+), 10 deletions(-)
-
---- a/drivers/net/dsa/b53/b53_common.c
-+++ b/drivers/net/dsa/b53/b53_common.c
-@@ -2466,6 +2466,19 @@ static const struct b53_chip_data b53_sw
- .jumbo_size_reg = B53_JUMBO_MAX_SIZE_63XX,
- },
- {
-+ .chip_id = BCM63268_DEVICE_ID,
-+ .dev_name = "BCM63268",
-+ .vlans = 4096,
-+ .enabled_ports = 0, /* pdata must provide them */
-+ .arl_bins = 4,
-+ .arl_buckets = 1024,
-+ .imp_port = 8,
-+ .vta_regs = B53_VTA_REGS_63XX,
-+ .duplex_reg = B53_DUPLEX_STAT_63XX,
-+ .jumbo_pm_reg = B53_JUMBO_PORT_MASK_63XX,
-+ .jumbo_size_reg = B53_JUMBO_MAX_SIZE_63XX,
-+ },
-+ {
- .chip_id = BCM53010_DEVICE_ID,
- .dev_name = "BCM53010",
- .vlans = 4096,
---- a/drivers/net/dsa/b53/b53_mmap.c
-+++ b/drivers/net/dsa/b53/b53_mmap.c
-@@ -262,7 +262,7 @@ static int b53_mmap_probe_of(struct plat
- return -ENOMEM;
-
- pdata->regs = mem;
-- pdata->chip_id = BCM63XX_DEVICE_ID;
-+ pdata->chip_id = (u32)(unsigned long)device_get_match_data(dev);
- pdata->big_endian = of_property_read_bool(np, "big-endian");
-
- of_ports = of_get_child_by_name(np, "ports");
-@@ -344,14 +344,28 @@ static void b53_mmap_shutdown(struct pla
- }
-
- static const struct of_device_id b53_mmap_of_table[] = {
-- { .compatible = "brcm,bcm3384-switch" },
-- { .compatible = "brcm,bcm6318-switch" },
-- { .compatible = "brcm,bcm6328-switch" },
-- { .compatible = "brcm,bcm6362-switch" },
-- { .compatible = "brcm,bcm6368-switch" },
-- { .compatible = "brcm,bcm63268-switch" },
-- { .compatible = "brcm,bcm63xx-switch" },
-- { /* sentinel */ },
-+ {
-+ .compatible = "brcm,bcm3384-switch",
-+ .data = (void *)BCM63XX_DEVICE_ID,
-+ }, {
-+ .compatible = "brcm,bcm6318-switch",
-+ .data = (void *)BCM63268_DEVICE_ID,
-+ }, {
-+ .compatible = "brcm,bcm6328-switch",
-+ .data = (void *)BCM63XX_DEVICE_ID,
-+ }, {
-+ .compatible = "brcm,bcm6362-switch",
-+ .data = (void *)BCM63XX_DEVICE_ID,
-+ }, {
-+ .compatible = "brcm,bcm6368-switch",
-+ .data = (void *)BCM63XX_DEVICE_ID,
-+ }, {
-+ .compatible = "brcm,bcm63268-switch",
-+ .data = (void *)BCM63268_DEVICE_ID,
-+ }, {
-+ .compatible = "brcm,bcm63xx-switch",
-+ .data = (void *)BCM63XX_DEVICE_ID,
-+ }, { /* sentinel */ }
- };
- MODULE_DEVICE_TABLE(of, b53_mmap_of_table);
-
---- a/drivers/net/dsa/b53/b53_priv.h
-+++ b/drivers/net/dsa/b53/b53_priv.h
-@@ -70,6 +70,7 @@ enum {
- BCM53125_DEVICE_ID = 0x53125,
- BCM53128_DEVICE_ID = 0x53128,
- BCM63XX_DEVICE_ID = 0x6300,
-+ BCM63268_DEVICE_ID = 0x63268,
- BCM53010_DEVICE_ID = 0x53010,
- BCM53011_DEVICE_ID = 0x53011,
- BCM53012_DEVICE_ID = 0x53012,
-@@ -191,7 +192,13 @@ static inline int is531x5(struct b53_dev
-
- static inline int is63xx(struct b53_device *dev)
- {
-- return dev->chip_id == BCM63XX_DEVICE_ID;
-+ return dev->chip_id == BCM63XX_DEVICE_ID ||
-+ dev->chip_id == BCM63268_DEVICE_ID;
-+}
-+
-+static inline int is63268(struct b53_device *dev)
-+{
-+ return dev->chip_id == BCM63268_DEVICE_ID;
- }
-
- static inline int is5301x(struct b53_device *dev)
+++ /dev/null
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-From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
-To: f.fainelli@gmail.com, jonas.gorski@gmail.com, andrew@lunn.ch,
- olteanv@gmail.com, davem@davemloft.net, edumazet@google.com,
- kuba@kernel.org, pabeni@redhat.com, robh+dt@kernel.org,
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-Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>,
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-Subject: [PATCH v2 4/4] net: dsa: b53: add BCM63268 RGMII configuration
-Date: Tue, 21 Mar 2023 18:33:59 +0100
-Message-Id: <20230321173359.251778-5-noltari@gmail.com>
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-X-Patchwork-Delegate: kuba@kernel.org
-
-BCM63268 requires special RGMII configuration to work.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
-Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
-Reviewed-by: Simon Horman <simon.horman@corigine.com>
----
- v2: no changes.
-
- drivers/net/dsa/b53/b53_common.c | 6 +++++-
- drivers/net/dsa/b53/b53_regs.h | 1 +
- 2 files changed, 6 insertions(+), 1 deletion(-)
-
---- a/drivers/net/dsa/b53/b53_common.c
-+++ b/drivers/net/dsa/b53/b53_common.c
-@@ -1240,8 +1240,12 @@ static void b53_adjust_63xx_rgmii(struct
- break;
- }
-
-- if (port != dev->imp_port)
-+ if (port != dev->imp_port) {
-+ if (is63268(dev))
-+ rgmii_ctrl |= RGMII_CTRL_MII_OVERRIDE;
-+
- rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;
-+ }
-
- b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
-
---- a/drivers/net/dsa/b53/b53_regs.h
-+++ b/drivers/net/dsa/b53/b53_regs.h
-@@ -138,6 +138,7 @@
-
- #define B53_RGMII_CTRL_IMP 0x60
- #define RGMII_CTRL_ENABLE_GMII BIT(7)
-+#define RGMII_CTRL_MII_OVERRIDE BIT(6)
- #define RGMII_CTRL_TIMING_SEL BIT(2)
- #define RGMII_CTRL_DLL_RXC BIT(1)
- #define RGMII_CTRL_DLL_TXC BIT(0)
+++ /dev/null
-From patchwork Fri Mar 24 08:41:38 2023
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-To: paul.geurts@prodrive-technologies.com, f.fainelli@gmail.com,
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-Subject: [PATCH v2 2/2] net: dsa: b53: mdio: add support for BCM53134
-Date: Fri, 24 Mar 2023 09:41:38 +0100
-Message-Id: <20230324084138.664285-3-noltari@gmail.com>
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-
-From: Paul Geurts <paul.geurts@prodrive-technologies.com>
-
-Add support for the BCM53134 Ethernet switch in the existing b53 dsa driver.
-BCM53134 is very similar to the BCM58XX series.
-
-Signed-off-by: Paul Geurts <paul.geurts@prodrive-technologies.com>
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
----
- v2: add BCM53134 to is531x5() and remove special RGMII config
-
- drivers/net/dsa/b53/b53_common.c | 15 +++++++++++++++
- drivers/net/dsa/b53/b53_mdio.c | 5 ++++-
- drivers/net/dsa/b53/b53_priv.h | 7 +++++--
- 3 files changed, 24 insertions(+), 3 deletions(-)
-
---- a/drivers/net/dsa/b53/b53_common.c
-+++ b/drivers/net/dsa/b53/b53_common.c
-@@ -2613,6 +2613,20 @@ static const struct b53_chip_data b53_sw
- .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
- .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
- },
-+ {
-+ .chip_id = BCM53134_DEVICE_ID,
-+ .dev_name = "BCM53134",
-+ .vlans = 4096,
-+ .enabled_ports = 0x12f,
-+ .imp_port = 8,
-+ .cpu_port = B53_CPU_PORT,
-+ .vta_regs = B53_VTA_REGS,
-+ .arl_bins = 4,
-+ .arl_buckets = 1024,
-+ .duplex_reg = B53_DUPLEX_STAT_GE,
-+ .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
-+ .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
-+ },
- };
-
- static int b53_switch_init(struct b53_device *dev)
-@@ -2790,6 +2804,7 @@ int b53_switch_detect(struct b53_device
- case BCM53012_DEVICE_ID:
- case BCM53018_DEVICE_ID:
- case BCM53019_DEVICE_ID:
-+ case BCM53134_DEVICE_ID:
- dev->chip_id = id32;
- break;
- default:
---- a/drivers/net/dsa/b53/b53_mdio.c
-+++ b/drivers/net/dsa/b53/b53_mdio.c
-@@ -286,6 +286,7 @@ static const struct b53_io_ops b53_mdio_
- #define B53_BRCM_OUI_2 0x03625c00
- #define B53_BRCM_OUI_3 0x00406000
- #define B53_BRCM_OUI_4 0x01410c00
-+#define B53_BRCM_OUI_5 0xae025000
-
- static int b53_mdio_probe(struct mdio_device *mdiodev)
- {
-@@ -313,7 +314,8 @@ static int b53_mdio_probe(struct mdio_de
- if ((phy_id & 0xfffffc00) != B53_BRCM_OUI_1 &&
- (phy_id & 0xfffffc00) != B53_BRCM_OUI_2 &&
- (phy_id & 0xfffffc00) != B53_BRCM_OUI_3 &&
-- (phy_id & 0xfffffc00) != B53_BRCM_OUI_4) {
-+ (phy_id & 0xfffffc00) != B53_BRCM_OUI_4 &&
-+ (phy_id & 0xfffffc00) != B53_BRCM_OUI_5) {
- dev_err(&mdiodev->dev, "Unsupported device: 0x%08x\n", phy_id);
- return -ENODEV;
- }
-@@ -375,6 +377,7 @@ static const struct of_device_id b53_of_
- { .compatible = "brcm,bcm53115" },
- { .compatible = "brcm,bcm53125" },
- { .compatible = "brcm,bcm53128" },
-+ { .compatible = "brcm,bcm53134" },
- { .compatible = "brcm,bcm5365" },
- { .compatible = "brcm,bcm5389" },
- { .compatible = "brcm,bcm5395" },
---- a/drivers/net/dsa/b53/b53_priv.h
-+++ b/drivers/net/dsa/b53/b53_priv.h
-@@ -80,6 +80,7 @@ enum {
- BCM583XX_DEVICE_ID = 0x58300,
- BCM7445_DEVICE_ID = 0x7445,
- BCM7278_DEVICE_ID = 0x7278,
-+ BCM53134_DEVICE_ID = 0x5075,
- };
-
- struct b53_pcs {
-@@ -187,7 +188,8 @@ static inline int is531x5(struct b53_dev
- {
- return dev->chip_id == BCM53115_DEVICE_ID ||
- dev->chip_id == BCM53125_DEVICE_ID ||
-- dev->chip_id == BCM53128_DEVICE_ID;
-+ dev->chip_id == BCM53128_DEVICE_ID ||
-+ dev->chip_id == BCM53134_DEVICE_ID;
- }
-
- static inline int is63xx(struct b53_device *dev)
-@@ -215,7 +217,8 @@ static inline int is58xx(struct b53_devi
- return dev->chip_id == BCM58XX_DEVICE_ID ||
- dev->chip_id == BCM583XX_DEVICE_ID ||
- dev->chip_id == BCM7445_DEVICE_ID ||
-- dev->chip_id == BCM7278_DEVICE_ID;
-+ dev->chip_id == BCM7278_DEVICE_ID ||
-+ dev->chip_id == BCM53134_DEVICE_ID;
- }
-
- #define B53_63XX_RGMII0 4
+++ /dev/null
-From a444877c10a665cd8a869e6d37facdb89fd95f79 Mon Sep 17 00:00:00 2001
-Message-ID: <a444877c10a665cd8a869e6d37facdb89fd95f79.1706070008.git.daniel@makrotopia.org>
-From: Daniel Golle <daniel@makrotopia.org>
-Date: Wed, 24 Jan 2024 04:17:11 +0000
-Subject: [PATCH net] net: dsa: mt7530: fix 10M/100M speed on MT7988 switch
-To: Arınç ÜNAL <arinc.unal@arinc9.com>,
- Daniel Golle <daniel@makrotopia.org>,
- DENG Qingfang <dqfext@gmail.com>,
- Sean Wang <sean.wang@mediatek.com>,
- Andrew Lunn <andrew@lunn.ch>,
- Florian Fainelli <f.fainelli@gmail.com>,
- Vladimir Oltean <olteanv@gmail.com>,
- David S. Miller <davem@davemloft.net>,
- Eric Dumazet <edumazet@google.com>,
- Jakub Kicinski <kuba@kernel.org>,
- Paolo Abeni <pabeni@redhat.com>,
- Matthias Brugger <matthias.bgg@gmail.com>,
- AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
- netdev@vger.kernel.org,
- linux-kernel@vger.kernel.org,
- linux-arm-kernel@lists.infradead.org,
- linux-mediatek@lists.infradead.org
-
-Setup PMCR port register for actual speed and duplex on internally
-connected PHYs of the MT7988 built-in switch. This fixes links with
-speeds other than 1000M.
-
-Fixes: ("110c18bfed414 net: dsa: mt7530: introduce driver for MT7988 built-in switch")
-Signed-off-by: Daniel Golle <daniel@makrotopia.org>
----
- drivers/net/dsa/mt7530.c | 3 +--
- 1 file changed, 1 insertion(+), 2 deletions(-)
-
---- a/drivers/net/dsa/mt7530.c
-+++ b/drivers/net/dsa/mt7530.c
-@@ -2849,8 +2849,7 @@ static void mt753x_phylink_mac_link_up(s
- /* MT753x MAC works in 1G full duplex mode for all up-clocked
- * variants.
- */
-- if (interface == PHY_INTERFACE_MODE_INTERNAL ||
-- interface == PHY_INTERFACE_MODE_TRGMII ||
-+ if (interface == PHY_INTERFACE_MODE_TRGMII ||
- (phy_interface_mode_is_8023z(interface))) {
- speed = SPEED_1000;
- duplex = DUPLEX_FULL;
+++ /dev/null
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-From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
-To: mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org,
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-Subject: [PATCH v4 1/4] dt-bindings: clk: add BCM63268 timer clock definitions
-Date: Wed, 22 Mar 2023 18:15:12 +0100
-Message-Id: <20230322171515.120353-2-noltari@gmail.com>
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-
-Add missing timer clock definitions for BCM63268.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
-Acked-by: Rob Herring <robh@kernel.org>
----
- v4: no changes
- v3: no changes
- v2: change commit title, as suggested by Stephen Boyd
-
- include/dt-bindings/clock/bcm63268-clock.h | 13 +++++++++++++
- 1 file changed, 13 insertions(+)
-
---- a/include/dt-bindings/clock/bcm63268-clock.h
-+++ b/include/dt-bindings/clock/bcm63268-clock.h
-@@ -27,4 +27,17 @@
- #define BCM63268_CLK_TBUS 27
- #define BCM63268_CLK_ROBOSW250 31
-
-+#define BCM63268_TCLK_EPHY1 0
-+#define BCM63268_TCLK_EPHY2 1
-+#define BCM63268_TCLK_EPHY3 2
-+#define BCM63268_TCLK_GPHY1 3
-+#define BCM63268_TCLK_DSL 4
-+#define BCM63268_TCLK_WAKEON_EPHY 6
-+#define BCM63268_TCLK_WAKEON_DSL 7
-+#define BCM63268_TCLK_FAP1 11
-+#define BCM63268_TCLK_FAP2 15
-+#define BCM63268_TCLK_UTO_50 16
-+#define BCM63268_TCLK_UTO_EXTIN 17
-+#define BCM63268_TCLK_USB_REF 18
-+
- #endif /* __DT_BINDINGS_CLOCK_BCM63268_H */
+++ /dev/null
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-Subject: [PATCH v4 2/4] dt-bindings: reset: add BCM63268 timer reset
- definitions
-Date: Wed, 22 Mar 2023 18:15:13 +0100
-Message-Id: <20230322171515.120353-3-noltari@gmail.com>
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-
-Add missing timer reset definitions for BCM63268.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
-Acked-by: Rob Herring <robh@kernel.org>
----
- v4: no changes
- v3: no changes
- v2: change commit title, as suggested by Stephen Boyd
-
- include/dt-bindings/reset/bcm63268-reset.h | 4 ++++
- 1 file changed, 4 insertions(+)
-
---- a/include/dt-bindings/reset/bcm63268-reset.h
-+++ b/include/dt-bindings/reset/bcm63268-reset.h
-@@ -23,4 +23,8 @@
- #define BCM63268_RST_PCIE_HARD 17
- #define BCM63268_RST_GPHY 18
-
-+#define BCM63268_TRST_SW 29
-+#define BCM63268_TRST_HW 30
-+#define BCM63268_TRST_POR 31
-+
- #endif /* __DT_BINDINGS_RESET_BCM63268_H */
+++ /dev/null
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-To: mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org,
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-Subject: [PATCH v4 4/4] clk: bcm: Add BCM63268 timer clock and reset driver
-Date: Wed, 22 Mar 2023 18:15:15 +0100
-Message-Id: <20230322171515.120353-5-noltari@gmail.com>
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-
-Add driver for BCM63268 timer clock and reset controller.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
----
- v4: add changes suggested by Stephen Boyd:
- - Usage of of_device_get_match_data() isn't needed.
- - Use devm_clk_hw_register_gate().
- - Drop clk_hw_unregister_gate().
- v3: add missing <linux/io.h> include to fix build warning
- v2: add changes suggested by Stephen Boyd
-
- drivers/clk/bcm/Kconfig | 9 ++
- drivers/clk/bcm/Makefile | 1 +
- drivers/clk/bcm/clk-bcm63268-timer.c | 215 +++++++++++++++++++++++++++
- 3 files changed, 225 insertions(+)
- create mode 100644 drivers/clk/bcm/clk-bcm63268-timer.c
-
---- a/drivers/clk/bcm/Kconfig
-+++ b/drivers/clk/bcm/Kconfig
-@@ -37,6 +37,15 @@ config CLK_BCM_63XX_GATE
- Enable common clock framework support for Broadcom BCM63xx DSL SoCs
- based on the MIPS architecture
-
-+config CLK_BCM63268_TIMER
-+ bool "Broadcom BCM63268 timer clock and reset support"
-+ depends on BMIPS_GENERIC || COMPILE_TEST
-+ default BMIPS_GENERIC
-+ select RESET_CONTROLLER
-+ help
-+ Enable timer clock and reset support for Broadcom BCM63268 DSL SoCs
-+ based on the MIPS architecture.
-+
- config CLK_BCM_KONA
- bool "Broadcom Kona CCU clock support"
- depends on ARCH_BCM_MOBILE || COMPILE_TEST
---- a/drivers/clk/bcm/Makefile
-+++ b/drivers/clk/bcm/Makefile
-@@ -1,6 +1,7 @@
- # SPDX-License-Identifier: GPL-2.0
- obj-$(CONFIG_CLK_BCM_63XX) += clk-bcm63xx.o
- obj-$(CONFIG_CLK_BCM_63XX_GATE) += clk-bcm63xx-gate.o
-+obj-$(CONFIG_CLK_BCM63268_TIMER) += clk-bcm63268-timer.o
- obj-$(CONFIG_CLK_BCM_KONA) += clk-kona.o
- obj-$(CONFIG_CLK_BCM_KONA) += clk-kona-setup.o
- obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm281xx.o
---- /dev/null
-+++ b/drivers/clk/bcm/clk-bcm63268-timer.c
-@@ -0,0 +1,215 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * BCM63268 Timer Clock and Reset Controller Driver
-+ *
-+ * Copyright (C) 2023 Álvaro Fernández Rojas <noltari@gmail.com>
-+ */
-+
-+#include <linux/clk-provider.h>
-+#include <linux/delay.h>
-+#include <linux/io.h>
-+#include <linux/of.h>
-+#include <linux/of_device.h>
-+#include <linux/platform_device.h>
-+#include <linux/reset-controller.h>
-+
-+#include <dt-bindings/clock/bcm63268-clock.h>
-+
-+#define BCM63268_TIMER_RESET_SLEEP_MIN_US 10000
-+#define BCM63268_TIMER_RESET_SLEEP_MAX_US 20000
-+
-+struct bcm63268_tclkrst_hw {
-+ void __iomem *regs;
-+ spinlock_t lock;
-+
-+ struct reset_controller_dev rcdev;
-+ struct clk_hw_onecell_data data;
-+};
-+
-+struct bcm63268_tclk_table_entry {
-+ const char * const name;
-+ u8 bit;
-+};
-+
-+static const struct bcm63268_tclk_table_entry bcm63268_timer_clocks[] = {
-+ {
-+ .name = "ephy1",
-+ .bit = BCM63268_TCLK_EPHY1,
-+ }, {
-+ .name = "ephy2",
-+ .bit = BCM63268_TCLK_EPHY2,
-+ }, {
-+ .name = "ephy3",
-+ .bit = BCM63268_TCLK_EPHY3,
-+ }, {
-+ .name = "gphy1",
-+ .bit = BCM63268_TCLK_GPHY1,
-+ }, {
-+ .name = "dsl",
-+ .bit = BCM63268_TCLK_DSL,
-+ }, {
-+ .name = "wakeon_ephy",
-+ .bit = BCM63268_TCLK_WAKEON_EPHY,
-+ }, {
-+ .name = "wakeon_dsl",
-+ .bit = BCM63268_TCLK_WAKEON_DSL,
-+ }, {
-+ .name = "fap1_pll",
-+ .bit = BCM63268_TCLK_FAP1,
-+ }, {
-+ .name = "fap2_pll",
-+ .bit = BCM63268_TCLK_FAP2,
-+ }, {
-+ .name = "uto_50",
-+ .bit = BCM63268_TCLK_UTO_50,
-+ }, {
-+ .name = "uto_extin",
-+ .bit = BCM63268_TCLK_UTO_EXTIN,
-+ }, {
-+ .name = "usb_ref",
-+ .bit = BCM63268_TCLK_USB_REF,
-+ }, {
-+ /* sentinel */
-+ }
-+};
-+
-+static inline struct bcm63268_tclkrst_hw *
-+to_bcm63268_timer_reset(struct reset_controller_dev *rcdev)
-+{
-+ return container_of(rcdev, struct bcm63268_tclkrst_hw, rcdev);
-+}
-+
-+static int bcm63268_timer_reset_update(struct reset_controller_dev *rcdev,
-+ unsigned long id, bool assert)
-+{
-+ struct bcm63268_tclkrst_hw *reset = to_bcm63268_timer_reset(rcdev);
-+ unsigned long flags;
-+ uint32_t val;
-+
-+ spin_lock_irqsave(&reset->lock, flags);
-+ val = __raw_readl(reset->regs);
-+ if (assert)
-+ val &= ~BIT(id);
-+ else
-+ val |= BIT(id);
-+ __raw_writel(val, reset->regs);
-+ spin_unlock_irqrestore(&reset->lock, flags);
-+
-+ return 0;
-+}
-+
-+static int bcm63268_timer_reset_assert(struct reset_controller_dev *rcdev,
-+ unsigned long id)
-+{
-+ return bcm63268_timer_reset_update(rcdev, id, true);
-+}
-+
-+static int bcm63268_timer_reset_deassert(struct reset_controller_dev *rcdev,
-+ unsigned long id)
-+{
-+ return bcm63268_timer_reset_update(rcdev, id, false);
-+}
-+
-+static int bcm63268_timer_reset_reset(struct reset_controller_dev *rcdev,
-+ unsigned long id)
-+{
-+ bcm63268_timer_reset_update(rcdev, id, true);
-+ usleep_range(BCM63268_TIMER_RESET_SLEEP_MIN_US,
-+ BCM63268_TIMER_RESET_SLEEP_MAX_US);
-+
-+ bcm63268_timer_reset_update(rcdev, id, false);
-+ /*
-+ * Ensure component is taken out reset state by sleeping also after
-+ * deasserting the reset. Otherwise, the component may not be ready
-+ * for operation.
-+ */
-+ usleep_range(BCM63268_TIMER_RESET_SLEEP_MIN_US,
-+ BCM63268_TIMER_RESET_SLEEP_MAX_US);
-+
-+ return 0;
-+}
-+
-+static int bcm63268_timer_reset_status(struct reset_controller_dev *rcdev,
-+ unsigned long id)
-+{
-+ struct bcm63268_tclkrst_hw *reset = to_bcm63268_timer_reset(rcdev);
-+
-+ return !(__raw_readl(reset->regs) & BIT(id));
-+}
-+
-+static struct reset_control_ops bcm63268_timer_reset_ops = {
-+ .assert = bcm63268_timer_reset_assert,
-+ .deassert = bcm63268_timer_reset_deassert,
-+ .reset = bcm63268_timer_reset_reset,
-+ .status = bcm63268_timer_reset_status,
-+};
-+
-+static int bcm63268_tclk_probe(struct platform_device *pdev)
-+{
-+ struct device *dev = &pdev->dev;
-+ const struct bcm63268_tclk_table_entry *entry;
-+ struct bcm63268_tclkrst_hw *hw;
-+ struct clk_hw *clk;
-+ u8 maxbit = 0;
-+ int i, ret;
-+
-+ for (entry = bcm63268_timer_clocks; entry->name; entry++)
-+ maxbit = max(maxbit, entry->bit);
-+ maxbit++;
-+
-+ hw = devm_kzalloc(&pdev->dev, struct_size(hw, data.hws, maxbit),
-+ GFP_KERNEL);
-+ if (!hw)
-+ return -ENOMEM;
-+
-+ platform_set_drvdata(pdev, hw);
-+
-+ spin_lock_init(&hw->lock);
-+
-+ hw->data.num = maxbit;
-+ for (i = 0; i < maxbit; i++)
-+ hw->data.hws[i] = ERR_PTR(-ENODEV);
-+
-+ hw->regs = devm_platform_ioremap_resource(pdev, 0);
-+ if (IS_ERR(hw->regs))
-+ return PTR_ERR(hw->regs);
-+
-+ for (entry = bcm63268_timer_clocks; entry->name; entry++) {
-+ clk = devm_clk_hw_register_gate(dev, entry->name, NULL, 0,
-+ hw->regs, entry->bit,
-+ CLK_GATE_BIG_ENDIAN,
-+ &hw->lock);
-+ if (IS_ERR(clk))
-+ return PTR_ERR(clk);
-+
-+ hw->data.hws[entry->bit] = clk;
-+ }
-+
-+ ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
-+ &hw->data);
-+ if (ret)
-+ return ret;
-+
-+ hw->rcdev.of_node = dev->of_node;
-+ hw->rcdev.ops = &bcm63268_timer_reset_ops;
-+
-+ ret = devm_reset_controller_register(dev, &hw->rcdev);
-+ if (ret)
-+ dev_err(dev, "Failed to register reset controller\n");
-+
-+ return 0;
-+}
-+
-+static const struct of_device_id bcm63268_tclk_dt_ids[] = {
-+ { .compatible = "brcm,bcm63268-timer-clocks" },
-+ { /* sentinel */ }
-+};
-+
-+static struct platform_driver bcm63268_tclk = {
-+ .probe = bcm63268_tclk_probe,
-+ .driver = {
-+ .name = "bcm63268-timer-clock",
-+ .of_match_table = bcm63268_tclk_dt_ids,
-+ },
-+};
-+builtin_platform_driver(bcm63268_tclk);
+++ /dev/null
-From 629c701fc39f1ada9416e0766a86729e83bde86c Mon Sep 17 00:00:00 2001
-Message-ID: <629c701fc39f1ada9416e0766a86729e83bde86c.1694465766.git.daniel@makrotopia.org>
-From: Daniel Golle <daniel@makrotopia.org>
-Date: Mon, 11 Sep 2023 21:27:44 +0100
-Subject: [PATCH] serial: 8250_mtk: track busclk state to avoid bus error
-To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
- Jiri Slaby <jirislaby@kernel.org>,
- Matthias Brugger <matthias.bgg@gmail.com>,
- AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
- Daniel Golle <daniel@makrotopia.org>,
- John Ogness <john.ogness@linutronix.de>,
- Chen-Yu Tsai <wenst@chromium.org>,
- Changqi Hu <changqi.hu@mediatek.com>,
- linux-kernel@vger.kernel.org,
- linux-serial@vger.kernel.org,
- linux-arm-kernel@lists.infradead.org,
- linux-mediatek@lists.infradead.org
-
-Commit e32a83c70cf9 ("serial: 8250-mtk: modify mtk uart power and
-clock management") introduced polling a debug register to make sure
-the UART is idle before disabling the bus clock. However, at least on
-some MediaTek SoCs access to that very debug register requires the bus
-clock being enabled. Hence calling the suspend function while already
-in suspended state results in that register access triggering a bus
-error. In order to avoid that, track the state of the bus clock and
-only poll the debug register if not already in suspended state.
-
-Fixes: e32a83c70cf9 ("serial: 8250-mtk: modify mtk uart power and clock management")
-Signed-off-by: Daniel Golle <daniel@makrotopia.org>
----
- drivers/tty/serial/8250/8250_mtk.c | 11 ++++++++++-
- 1 file changed, 10 insertions(+), 1 deletion(-)
-
---- a/drivers/tty/serial/8250/8250_mtk.c
-+++ b/drivers/tty/serial/8250/8250_mtk.c
-@@ -32,7 +32,7 @@
- #define MTK_UART_RXTRI_AD 0x14 /* RX Trigger address */
- #define MTK_UART_FRACDIV_L 0x15 /* Fractional divider LSB address */
- #define MTK_UART_FRACDIV_M 0x16 /* Fractional divider MSB address */
--#define MTK_UART_DEBUG0 0x18
-+#define MTK_UART_DEBUG0 0x18
- #define MTK_UART_IER_XOFFI 0x20 /* Enable XOFF character interrupt */
- #define MTK_UART_IER_RTSI 0x40 /* Enable RTS Modem status interrupt */
- #define MTK_UART_IER_CTSI 0x80 /* Enable CTS Modem status interrupt */
-@@ -418,13 +418,12 @@ static int __maybe_unused mtk8250_runtim
- struct mtk8250_data *data = dev_get_drvdata(dev);
- struct uart_8250_port *up = serial8250_get_port(data->line);
-
-- /* wait until UART in idle status */
-- while
-- (serial_in(up, MTK_UART_DEBUG0));
--
- if (data->clk_count == 0U) {
- dev_dbg(dev, "%s clock count is 0\n", __func__);
- } else {
-+ /* wait until UART in idle status */
-+ while
-+ (serial_in(up, MTK_UART_DEBUG0));
- clk_disable_unprepare(data->bus_clk);
- data->clk_count--;
- }
projects / openwrt / staging / dangole.git / commitdiff