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/Linux-v6.1/Documentation/devicetree/bindings/serial/
Dbrcm,bcm7271-uart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/serial/brcm,bcm7271-uart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Al Cooper <alcooperx@gmail.com>
13 - $ref: serial.yaml#
16 The Broadcom UART is based on the basic 8250 UART but with
23 - enum:
24 - brcm,bcm7271-uart
25 - brcm,bcm7278-uart
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/Linux-v6.1/drivers/tty/serial/8250/
D8250_of.c1 // SPDX-License-Identifier: GPL-2.0+
36 struct device_node *np = ofdev->dev.of_node; in of_platform_serial_setup()
37 struct uart_port *port = &up->port; in of_platform_serial_setup()
43 pm_runtime_enable(&ofdev->dev); in of_platform_serial_setup()
44 pm_runtime_get_sync(&ofdev->dev); in of_platform_serial_setup()
46 if (of_property_read_u32(np, "clock-frequency", &clk)) { in of_platform_serial_setup()
49 info->clk = devm_clk_get(&ofdev->dev, NULL); in of_platform_serial_setup()
50 if (IS_ERR(info->clk)) { in of_platform_serial_setup()
51 ret = PTR_ERR(info->clk); in of_platform_serial_setup()
52 if (ret != -EPROBE_DEFER) in of_platform_serial_setup()
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D8250_bcm7271.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * 8250-core based driver for Broadcom ns16550a UARTs
20 #include <linux/dma-mapping.h>
28 /* Register definitions for UART DMA block. Version 1.1 or later. */
157 #define UDMA_RX_BUFS_REG_OFFSET (UDMA_RX_BUF1_PTR_LO - UDMA_RX_BUF0_PTR_LO)
169 #define UDMA_TX_BUFS_REG_OFFSET (UDMA_TX_BUF1_PTR_LO - UDMA_TX_BUF0_PTR_LO)
251 return readl(priv->regs[reg_type] + offset); in udma_readl()
257 writel(value, priv->regs[reg_type] + offset); in udma_writel()
263 void __iomem *reg = priv->regs[reg_type] + offset; in udma_set()
274 void __iomem *reg = priv->regs[reg_type] + offset; in udma_unset()
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/Linux-v6.1/
DMAINTAINERS9 -------------------------
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
97 W: *Web-page* with status/info
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