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path: root/drivers/clk/mediatek/clk-mt7629-hif.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt7629-hif.c')
-rw-r--r--drivers/clk/mediatek/clk-mt7629-hif.c116
1 files changed, 25 insertions, 91 deletions
diff --git a/drivers/clk/mediatek/clk-mt7629-hif.c b/drivers/clk/mediatek/clk-mt7629-hif.c
index 0c8b9e139789..3fdc2d7d4274 100644
--- a/drivers/clk/mediatek/clk-mt7629-hif.c
+++ b/drivers/clk/mediatek/clk-mt7629-hif.c
@@ -6,9 +6,7 @@
*/
#include <linux/clk-provider.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include "clk-mtk.h"
@@ -16,23 +14,11 @@
#include <dt-bindings/clock/mt7629-clk.h>
-#define GATE_PCIE(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &pcie_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr_inv, \
- }
-
-#define GATE_SSUSB(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &ssusb_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr_inv, \
- }
+#define GATE_PCIE(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &pcie_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
+
+#define GATE_SSUSB(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &ssusb_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
static const struct mtk_gate_regs pcie_cg_regs = {
.set_ofs = 0x30,
@@ -79,86 +65,34 @@ static const struct mtk_clk_rst_desc clk_rst_desc = {
.rst_bank_nr = ARRAY_SIZE(rst_ofs),
};
-static int clk_mt7629_ssusbsys_init(struct platform_device *pdev)
-{
- struct clk_hw_onecell_data *clk_data;
- struct device_node *node = pdev->dev.of_node;
- int r;
-
- clk_data = mtk_alloc_clk_data(CLK_SSUSB_NR_CLK);
-
- mtk_clk_register_gates(node, ssusb_clks, ARRAY_SIZE(ssusb_clks),
- clk_data);
-
- r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
- if (r)
- dev_err(&pdev->dev,
- "could not register clock provider: %s: %d\n",
- pdev->name, r);
-
- mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc);
-
- return r;
-}
-
-static int clk_mt7629_pciesys_init(struct platform_device *pdev)
-{
- struct clk_hw_onecell_data *clk_data;
- struct device_node *node = pdev->dev.of_node;
- int r;
-
- clk_data = mtk_alloc_clk_data(CLK_PCIE_NR_CLK);
-
- mtk_clk_register_gates(node, pcie_clks, ARRAY_SIZE(pcie_clks),
- clk_data);
-
- r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
- if (r)
- dev_err(&pdev->dev,
- "could not register clock provider: %s: %d\n",
- pdev->name, r);
-
- mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc);
+static const struct mtk_clk_desc ssusb_desc = {
+ .clks = ssusb_clks,
+ .num_clks = ARRAY_SIZE(ssusb_clks),
+ .rst_desc = &clk_rst_desc,
+};
- return r;
-}
+static const struct mtk_clk_desc pcie_desc = {
+ .clks = pcie_clks,
+ .num_clks = ARRAY_SIZE(pcie_clks),
+ .rst_desc = &clk_rst_desc,
+};
static const struct of_device_id of_match_clk_mt7629_hif[] = {
- {
- .compatible = "mediatek,mt7629-pciesys",
- .data = clk_mt7629_pciesys_init,
- }, {
- .compatible = "mediatek,mt7629-ssusbsys",
- .data = clk_mt7629_ssusbsys_init,
- }, {
- /* sentinel */
- }
+ { .compatible = "mediatek,mt7629-pciesys", .data = &pcie_desc },
+ { .compatible = "mediatek,mt7629-ssusbsys", .data = &ssusb_desc },
+ { /* sentinel */ }
};
-
-static int clk_mt7629_hif_probe(struct platform_device *pdev)
-{
- int (*clk_init)(struct platform_device *);
- int r;
-
- clk_init = of_device_get_match_data(&pdev->dev);
- if (!clk_init)
- return -EINVAL;
-
- r = clk_init(pdev);
- if (r)
- dev_err(&pdev->dev,
- "could not register clock provider: %s: %d\n",
- pdev->name, r);
-
- return r;
-}
+MODULE_DEVICE_TABLE(of, of_match_clk_mt7629_hif);
static struct platform_driver clk_mt7629_hif_drv = {
- .probe = clk_mt7629_hif_probe,
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
.driver = {
.name = "clk-mt7629-hif",
.of_match_table = of_match_clk_mt7629_hif,
},
};
+module_platform_driver(clk_mt7629_hif_drv);
-builtin_platform_driver(clk_mt7629_hif_drv);
+MODULE_DESCRIPTION("MediaTek MT2701 HIF clocks driver");
+MODULE_LICENSE("GPL");