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Message-ID: <20240628154618.327151-1-aniketmaurya@google.com>
Date: Fri, 28 Jun 2024 15:46:18 +0000
From: Aniket <aniketmaurya@...gle.com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>, Jeremy Kerr <jk@...econstruct.com.au>,
Joel Stanley <joel@....id.au>, Billy Tsai <billy_tsai@...eedtech.com>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: linux-i3c@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, Aniket <aniketmaurya@...gle.com>
Subject: [PATCH v3 3/3] i3c: dw: Add optional apb clock
Besides the core clock, IP also has an apb interface clock.
Add an optional hook for the same.
Signed-off-by: Aniket <aniketmaurya@...gle.com>
---
drivers/i3c/master/dw-i3c-master.c | 4 ++++
drivers/i3c/master/dw-i3c-master.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
index 4e3335641dcd..0ca41782f3a6 100644
--- a/drivers/i3c/master/dw-i3c-master.c
+++ b/drivers/i3c/master/dw-i3c-master.c
@@ -1454,6 +1454,10 @@ int dw_i3c_common_probe(struct dw_i3c_master *master,
if (IS_ERR(master->core_clk))
return PTR_ERR(master->core_clk);
+ master->pclk = devm_clk_get_optional_enabled(&pdev->dev, "pclk");
+ if (IS_ERR(master->pclk))
+ return PTR_ERR(master->pclk);
+
master->core_rst = devm_reset_control_get_optional_exclusive(&pdev->dev,
"core_rst");
if (IS_ERR(master->core_rst))
diff --git a/drivers/i3c/master/dw-i3c-master.h b/drivers/i3c/master/dw-i3c-master.h
index 7e76ca381d9f..fb7121c6c687 100644
--- a/drivers/i3c/master/dw-i3c-master.h
+++ b/drivers/i3c/master/dw-i3c-master.h
@@ -36,6 +36,7 @@ struct dw_i3c_master {
void __iomem *regs;
struct reset_control *core_rst;
struct clk *core_clk;
+ struct clk *pclk;
char version[5];
char type[5];
u32 sir_rej_mask;
--
2.45.2.803.g4e1b14247a-goog
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