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path: root/drivers/clk/qcom/gxclkctl-kaanapali.c
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Diffstat (limited to 'drivers/clk/qcom/gxclkctl-kaanapali.c')
-rw-r--r--drivers/clk/qcom/gxclkctl-kaanapali.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/clk/qcom/gxclkctl-kaanapali.c b/drivers/clk/qcom/gxclkctl-kaanapali.c
new file mode 100644
index 000000000000..c209ce5fe4f0
--- /dev/null
+++ b/drivers/clk/qcom/gxclkctl-kaanapali.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,kaanapali-gxclkctl.h>
+
+#include "common.h"
+#include "gdsc.h"
+
+enum {
+ DT_BI_TCXO,
+};
+
+static struct gdsc gx_clkctl_gx_gdsc = {
+ .gdscr = 0x4024,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0xf,
+ .pd = {
+ .name = "gx_clkctl_gx_gdsc",
+ .power_on = gdsc_gx_do_nothing_enable,
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = POLL_CFG_GDSCR | RETAIN_FF_ENABLE,
+};
+
+static struct gdsc *gx_clkctl_gdscs[] = {
+ [GX_CLKCTL_GX_GDSC] = &gx_clkctl_gx_gdsc,
+};
+
+static const struct regmap_config gx_clkctl_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x4038,
+ .fast_io = true,
+};
+
+static const struct qcom_cc_desc gx_clkctl_kaanapali_desc = {
+ .config = &gx_clkctl_regmap_config,
+ .gdscs = gx_clkctl_gdscs,
+ .num_gdscs = ARRAY_SIZE(gx_clkctl_gdscs),
+ .use_rpm = true,
+};
+
+static const struct of_device_id gx_clkctl_kaanapali_match_table[] = {
+ { .compatible = "qcom,kaanapali-gxclkctl" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, gx_clkctl_kaanapali_match_table);
+
+static int gx_clkctl_kaanapali_probe(struct platform_device *pdev)
+{
+ return qcom_cc_probe(pdev, &gx_clkctl_kaanapali_desc);
+}
+
+static struct platform_driver gx_clkctl_kaanapali_driver = {
+ .probe = gx_clkctl_kaanapali_probe,
+ .driver = {
+ .name = "gxclkctl-kaanapali",
+ .of_match_table = gx_clkctl_kaanapali_match_table,
+ },
+};
+
+module_platform_driver(gx_clkctl_kaanapali_driver);
+
+MODULE_DESCRIPTION("QTI GXCLKCTL Kaanapali Driver");
+MODULE_LICENSE("GPL");