56 lines
1.4 KiB
Diff
56 lines
1.4 KiB
Diff
From 87dbcc69a7e3fe6ccddf4fe9bdbf51330f5e4a77 Mon Sep 17 00:00:00 2001
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From: Mantas Pucka <mantas@8devices.com>
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Date: Tue, 23 Jan 2024 11:04:04 +0200
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Subject: [PATCH] remoteproc: qcom_q6v5_wcss: add optional qdss_at clock
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IPQ6018 needs QDSS_AT clock enabled when loading wifi. Optionally enable it
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when provided by DT.
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Signed-off-by: Mantas Pucka <mantas@8devices.com>
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---
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drivers/remoteproc/qcom_q6v5_wcss.c | 24 ++++++++++++++++++++++++
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1 file changed, 24 insertions(+)
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--- a/drivers/remoteproc/qcom_q6v5_wcss.c
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+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
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@@ -120,6 +120,7 @@ struct q6v5_wcss {
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struct clk *qdsp6ss_core_gfmux;
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struct clk *lcc_bcr_sleep;
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struct clk *prng_clk;
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+ struct clk *qdss_clk;
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struct regulator *cx_supply;
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struct qcom_sysmon *sysmon;
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@@ -259,6 +260,9 @@ static int q6v5_wcss_start(struct rproc
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return ret;
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}
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+ if (wcss->qdss_clk)
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+ clk_prepare_enable(wcss->qdss_clk);
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+
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qcom_q6v5_prepare(&wcss->q6v5);
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if (wcss->need_mem_protection) {
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@@ -772,6 +776,8 @@ static int q6v5_wcss_stop(struct rproc *
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}
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pas_done:
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+ if (wcss->qdss_clk)
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+ clk_disable_unprepare(wcss->qdss_clk);
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clk_disable_unprepare(wcss->prng_clk);
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qcom_q6v5_unprepare(&wcss->q6v5);
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@@ -980,6 +986,12 @@ static int ipq_init_clock(struct q6v5_wc
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dev_err(wcss->dev, "Failed to get prng clock\n");
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return ret;
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}
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+
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+ wcss->qdss_clk = devm_clk_get(wcss->dev, "qdss");
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+ if (IS_ERR(wcss->qdss_clk)) {
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+ wcss->qdss_clk = NULL;
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+ }
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+
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return 0;
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}
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