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path: root/drivers/clk/qcom/lpasscc-sc8280xp.c
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Diffstat (limited to 'drivers/clk/qcom/lpasscc-sc8280xp.c')
-rw-r--r--drivers/clk/qcom/lpasscc-sc8280xp.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/clk/qcom/lpasscc-sc8280xp.c b/drivers/clk/qcom/lpasscc-sc8280xp.c
new file mode 100644
index 0000000000..3693e47d54
--- /dev/null
+++ b/drivers/clk/qcom/lpasscc-sc8280xp.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022, Linaro Limited
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/kernel.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,sc8280xp-lpasscc.h>
+
+#include "common.h"
+#include "reset.h"
+
+static const struct qcom_reset_map lpass_audiocc_sc8280xp_resets[] = {
+ [LPASS_AUDIO_SWR_RX_CGCR] = { 0xa0, 1 },
+ [LPASS_AUDIO_SWR_WSA_CGCR] = { 0xb0, 1 },
+ [LPASS_AUDIO_SWR_WSA2_CGCR] = { 0xd8, 1 },
+};
+
+static struct regmap_config lpass_audiocc_sc8280xp_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .name = "lpass-audio-csr",
+ .max_register = 0x1000,
+};
+
+static const struct qcom_cc_desc lpass_audiocc_sc8280xp_reset_desc = {
+ .config = &lpass_audiocc_sc8280xp_regmap_config,
+ .resets = lpass_audiocc_sc8280xp_resets,
+ .num_resets = ARRAY_SIZE(lpass_audiocc_sc8280xp_resets),
+};
+
+static const struct qcom_reset_map lpasscc_sc8280xp_resets[] = {
+ [LPASS_AUDIO_SWR_TX_CGCR] = { 0xc010, 1 },
+};
+
+static struct regmap_config lpasscc_sc8280xp_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .name = "lpass-tcsr",
+ .max_register = 0x12000,
+};
+
+static const struct qcom_cc_desc lpasscc_sc8280xp_reset_desc = {
+ .config = &lpasscc_sc8280xp_regmap_config,
+ .resets = lpasscc_sc8280xp_resets,
+ .num_resets = ARRAY_SIZE(lpasscc_sc8280xp_resets),
+};
+
+static const struct of_device_id lpasscc_sc8280xp_match_table[] = {
+ {
+ .compatible = "qcom,sc8280xp-lpassaudiocc",
+ .data = &lpass_audiocc_sc8280xp_reset_desc,
+ }, {
+ .compatible = "qcom,sc8280xp-lpasscc",
+ .data = &lpasscc_sc8280xp_reset_desc,
+ },
+ { }
+};
+MODULE_DEVICE_TABLE(of, lpasscc_sc8280xp_match_table);
+
+static int lpasscc_sc8280xp_probe(struct platform_device *pdev)
+{
+ const struct qcom_cc_desc *desc = of_device_get_match_data(&pdev->dev);
+
+ return qcom_cc_probe_by_index(pdev, 0, desc);
+}
+
+static struct platform_driver lpasscc_sc8280xp_driver = {
+ .probe = lpasscc_sc8280xp_probe,
+ .driver = {
+ .name = "lpasscc-sc8280xp",
+ .of_match_table = lpasscc_sc8280xp_match_table,
+ },
+};
+
+module_platform_driver(lpasscc_sc8280xp_driver);
+
+MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
+MODULE_DESCRIPTION("QTI LPASSCC SC8280XP Driver");
+MODULE_LICENSE("GPL");