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path: root/drivers/clk/x86/clk-st.c
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Diffstat (limited to 'drivers/clk/x86/clk-st.c')
-rw-r--r--drivers/clk/x86/clk-st.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/drivers/clk/x86/clk-st.c b/drivers/clk/x86/clk-st.c
deleted file mode 100644
index 25d4b97aff9b..000000000000
--- a/drivers/clk/x86/clk-st.c
+++ /dev/null
@@ -1,78 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * clock framework for AMD Stoney based clocks
- *
- * Copyright 2018 Advanced Micro Devices, Inc.
- */
-
-#include <linux/clk.h>
-#include <linux/clkdev.h>
-#include <linux/clk-provider.h>
-#include <linux/platform_data/clk-st.h>
-#include <linux/platform_device.h>
-
-/* Clock Driving Strength 2 register */
-#define CLKDRVSTR2 0x28
-/* Clock Control 1 register */
-#define MISCCLKCNTL1 0x40
-/* Auxiliary clock1 enable bit */
-#define OSCCLKENB 2
-/* 25Mhz auxiliary output clock freq bit */
-#define OSCOUT1CLK25MHZ 16
-
-#define ST_CLK_48M 0
-#define ST_CLK_25M 1
-#define ST_CLK_MUX 2
-#define ST_CLK_GATE 3
-#define ST_MAX_CLKS 4
-
-static const char * const clk_oscout1_parents[] = { "clk48MHz", "clk25MHz" };
-static struct clk_hw *hws[ST_MAX_CLKS];
-
-static int st_clk_probe(struct platform_device *pdev)
-{
- struct st_clk_data *st_data;
-
- st_data = dev_get_platdata(&pdev->dev);
- if (!st_data || !st_data->base)
- return -EINVAL;
-
- hws[ST_CLK_48M] = clk_hw_register_fixed_rate(NULL, "clk48MHz", NULL, 0,
- 48000000);
- hws[ST_CLK_25M] = clk_hw_register_fixed_rate(NULL, "clk25MHz", NULL, 0,
- 25000000);
-
- hws[ST_CLK_MUX] = clk_hw_register_mux(NULL, "oscout1_mux",
- clk_oscout1_parents, ARRAY_SIZE(clk_oscout1_parents),
- 0, st_data->base + CLKDRVSTR2, OSCOUT1CLK25MHZ, 3, 0, NULL);
-
- clk_set_parent(hws[ST_CLK_MUX]->clk, hws[ST_CLK_48M]->clk);
-
- hws[ST_CLK_GATE] = clk_hw_register_gate(NULL, "oscout1", "oscout1_mux",
- 0, st_data->base + MISCCLKCNTL1, OSCCLKENB,
- CLK_GATE_SET_TO_DISABLE, NULL);
-
- devm_clk_hw_register_clkdev(&pdev->dev, hws[ST_CLK_GATE], "oscout1",
- NULL);
-
- return 0;
-}
-
-static int st_clk_remove(struct platform_device *pdev)
-{
- int i;
-
- for (i = 0; i < ST_MAX_CLKS; i++)
- clk_hw_unregister(hws[i]);
- return 0;
-}
-
-static struct platform_driver st_clk_driver = {
- .driver = {
- .name = "clk-st",
- .suppress_bind_attrs = true,
- },
- .probe = st_clk_probe,
- .remove = st_clk_remove,
-};
-builtin_platform_driver(st_clk_driver);