From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/clk/at91/pmc.c | 85 +++++++++++++++++++++++++++++++++++++++---
1 files changed, 78 insertions(+), 7 deletions(-)
diff --git a/kernel/drivers/clk/at91/pmc.c b/kernel/drivers/clk/at91/pmc.c
index 1fa27f4..b40035b 100644
--- a/kernel/drivers/clk/at91/pmc.c
+++ b/kernel/drivers/clk/at91/pmc.c
@@ -1,11 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
*/
#include <linux/clk-provider.h>
@@ -18,6 +13,8 @@
#include <linux/syscore_ops.h>
#include <asm/proc-fns.h>
+
+#include <dt-bindings/clock/at91.h>
#include "pmc.h"
@@ -46,6 +43,72 @@
return 0;
}
EXPORT_SYMBOL_GPL(of_at91_get_clk_range);
+
+struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data)
+{
+ unsigned int type = clkspec->args[0];
+ unsigned int idx = clkspec->args[1];
+ struct pmc_data *pmc_data = data;
+
+ switch (type) {
+ case PMC_TYPE_CORE:
+ if (idx < pmc_data->ncore)
+ return pmc_data->chws[idx];
+ break;
+ case PMC_TYPE_SYSTEM:
+ if (idx < pmc_data->nsystem)
+ return pmc_data->shws[idx];
+ break;
+ case PMC_TYPE_PERIPHERAL:
+ if (idx < pmc_data->nperiph)
+ return pmc_data->phws[idx];
+ break;
+ case PMC_TYPE_GCK:
+ if (idx < pmc_data->ngck)
+ return pmc_data->ghws[idx];
+ break;
+ case PMC_TYPE_PROGRAMMABLE:
+ if (idx < pmc_data->npck)
+ return pmc_data->pchws[idx];
+ break;
+ default:
+ break;
+ }
+
+ pr_err("%s: invalid type (%u) or index (%u)\n", __func__, type, idx);
+
+ return ERR_PTR(-EINVAL);
+}
+
+struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem,
+ unsigned int nperiph, unsigned int ngck,
+ unsigned int npck)
+{
+ unsigned int num_clks = ncore + nsystem + nperiph + ngck + npck;
+ struct pmc_data *pmc_data;
+
+ pmc_data = kzalloc(struct_size(pmc_data, hwtable, num_clks),
+ GFP_KERNEL);
+ if (!pmc_data)
+ return NULL;
+
+ pmc_data->ncore = ncore;
+ pmc_data->chws = pmc_data->hwtable;
+
+ pmc_data->nsystem = nsystem;
+ pmc_data->shws = pmc_data->chws + ncore;
+
+ pmc_data->nperiph = nperiph;
+ pmc_data->phws = pmc_data->shws + nsystem;
+
+ pmc_data->ngck = ngck;
+ pmc_data->ghws = pmc_data->phws + nperiph;
+
+ pmc_data->npck = npck;
+ pmc_data->pchws = pmc_data->ghws + ngck;
+
+ return pmc_data;
+}
#ifdef CONFIG_PM
static struct regmap *pmcreg;
@@ -201,8 +264,16 @@
struct device_node *np;
np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids);
+ if (!np)
+ return -ENODEV;
- pmcreg = syscon_node_to_regmap(np);
+ if (!of_device_is_available(np)) {
+ of_node_put(np);
+ return -ENODEV;
+ }
+
+ pmcreg = device_node_to_regmap(np);
+ of_node_put(np);
if (IS_ERR(pmcreg))
return PTR_ERR(pmcreg);
--
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