clk: sifive: Drop GEMGXL clock driver

The GEMGXL clock driver is now directly part of Cadence MACB
ethernet driver in upstream Linux kernel. There is no separate
GEMGXL clock driver in upstream Linux kernel hence we drop
GEMGXL clock driver from U-Boot as well.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/board/sifive/fu540/Kconfig b/board/sifive/fu540/Kconfig
index 8eb5e30..f464379 100644 (file)
--- a/board/sifive/fu540/Kconfig
+++ b/board/sifive/fu540/Kconfig
@@ -28,7 +28,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
        imply CMD_PING
        imply CLK_SIFIVE
        imply CLK_SIFIVE_FU540_PRCI
-       imply CLK_SIFIVE_GEMGXL_MGMT
        imply DOS_PARTITION
        imply EFI_PARTITION
        imply IP_DYN

diff --git a/drivers/clk/sifive/Kconfig b/drivers/clk/sifive/Kconfig
index d90be19..c4d0a1f 100644 (file)
--- a/drivers/clk/sifive/Kconfig
+++ b/drivers/clk/sifive/Kconfig
@@ -14,10 +14,3 @@ config CLK_SIFIVE_FU540_PRCI
          Supports the Power Reset Clock interface (PRCI) IP block found in
          FU540 SoCs.  If this kernel is meant to run on a SiFive FU540 SoC,
          enable this driver.
-
-config CLK_SIFIVE_GEMGXL_MGMT
-       bool "GEMGXL management for SiFive FU540 SoCs"
-       depends on CLK_SIFIVE
-       help
-         Supports the GEMGXL management IP block found in FU540 SoCs to
-         control GEM TX clock operation mode for 10/100/1000 Mbps.

diff --git a/drivers/clk/sifive/Makefile b/drivers/clk/sifive/Makefile
index 0813360..b224279 100644 (file)
--- a/drivers/clk/sifive/Makefile
+++ b/drivers/clk/sifive/Makefile
@@ -1,5 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0+
 
 obj-$(CONFIG_CLK_SIFIVE_FU540_PRCI)            += fu540-prci.o
-
-obj-$(CONFIG_CLK_SIFIVE_GEMGXL_MGMT)           += gemgxl-mgmt.o

diff --git a/drivers/clk/sifive/gemgxl-mgmt.c b/drivers/clk/sifive/gemgxl-mgmt.c
deleted file mode 100644 (file)
index eb37416..0000000
--- a/drivers/clk/sifive/gemgxl-mgmt.c
+++ /dev/null
@@ -1,60 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2019, Bin Meng <bmeng.cn@gmail.com>
- */
-
-#include <common.h>
-#include <clk-uclass.h>
-#include <dm.h>
-#include <asm/io.h>
-
-struct gemgxl_mgmt_regs {
-       __u32 tx_clk_sel;
-};
-
-struct gemgxl_mgmt_platdata {
-       struct gemgxl_mgmt_regs *regs;
-};
-
-static int gemgxl_mgmt_ofdata_to_platdata(struct udevice *dev)
-{
-       struct gemgxl_mgmt_platdata *plat = dev_get_platdata(dev);
-
-       plat->regs = (struct gemgxl_mgmt_regs *)dev_read_addr(dev);
-
-       return 0;
-}
-
-static ulong gemgxl_mgmt_set_rate(struct clk *clk, ulong rate)
-{
-       struct gemgxl_mgmt_platdata *plat = dev_get_platdata(clk->dev);
-
-       /*
-        * GEMGXL TX clock operation mode:
-        *
-        * 0 = GMII mode. Use 125 MHz gemgxlclk from PRCI in TX logic
-        *     and output clock on GMII output signal GTX_CLK
-        * 1 = MII mode. Use MII input signal TX_CLK in TX logic
-        */
-       writel(rate != 125000000, &plat->regs->tx_clk_sel);
-
-       return 0;
-}
-
-const struct clk_ops gemgxl_mgmt_ops = {
-       .set_rate = gemgxl_mgmt_set_rate,
-};
-
-static const struct udevice_id gemgxl_mgmt_match[] = {
-       { .compatible = "sifive,cadencegemgxlmgmt0", },
-       { /* sentinel */ }
-};
-
-U_BOOT_DRIVER(sifive_gemgxl_mgmt) = {
-       .name = "sifive-gemgxl-mgmt",
-       .id = UCLASS_CLK,
-       .of_match = gemgxl_mgmt_match,
-       .ofdata_to_platdata = gemgxl_mgmt_ofdata_to_platdata,
-       .platdata_auto_alloc_size = sizeof(struct gemgxl_mgmt_platdata),
-       .ops = &gemgxl_mgmt_ops,
-};