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Message-ID: <40981d0bb722eb509628bcf82c31f632e4cf747a.1701823757.git.daniel@makrotopia.org>
Date: Wed, 6 Dec 2023 00:57:20 +0000
From: Daniel Golle <daniel@...rotopia.org>
To: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Sabrina Dubroca <sd@...asysnail.net>,
Daniel Golle <daniel@...rotopia.org>,
Jianhui Zhao <zhaojh329@...il.com>,
Chen-Yu Tsai <wenst@...omium.org>,
"Garmin.Chang" <Garmin.Chang@...iatek.com>,
Sam Shih <sam.shih@...iatek.com>,
Frank Wunderlich <frank-w@...lic-files.de>,
Dan Carpenter <dan.carpenter@...aro.org>,
James Liao <jamesjj.liao@...iatek.com>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org
Subject: [PATCH v3 3/4] clk: mediatek: Add pcw_chg_shift control
From: Sam Shih <sam.shih@...iatek.com>
Introduce pcw_chg_shfit control to optionally use that instead of the
hardcoded PCW_CHG_MASK macro.
This will needed for clocks on the MT7988 SoC.
Signed-off-by: Sam Shih <sam.shih@...iatek.com>
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
v3: use git --from ...
v2: no changes
drivers/clk/mediatek/clk-pll.c | 5 ++++-
drivers/clk/mediatek/clk-pll.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/mediatek/clk-pll.c b/drivers/clk/mediatek/clk-pll.c
index 513ab6b1b3229..9f08bc5d2a8a2 100644
--- a/drivers/clk/mediatek/clk-pll.c
+++ b/drivers/clk/mediatek/clk-pll.c
@@ -114,7 +114,10 @@ static void mtk_pll_set_rate_regs(struct mtk_clk_pll *pll, u32 pcw,
pll->data->pcw_shift);
val |= pcw << pll->data->pcw_shift;
writel(val, pll->pcw_addr);
- chg = readl(pll->pcw_chg_addr) | PCW_CHG_MASK;
+ if (pll->data->pcw_chg_shift)
+ chg = readl(pll->pcw_chg_addr) | BIT(pll->data->pcw_chg_shift);
+ else
+ chg = readl(pll->pcw_chg_addr) | PCW_CHG_MASK;
writel(chg, pll->pcw_chg_addr);
if (pll->tuner_addr)
writel(val + 1, pll->tuner_addr);
diff --git a/drivers/clk/mediatek/clk-pll.h b/drivers/clk/mediatek/clk-pll.h
index f17278ff15d78..d28d317e84377 100644
--- a/drivers/clk/mediatek/clk-pll.h
+++ b/drivers/clk/mediatek/clk-pll.h
@@ -44,6 +44,7 @@ struct mtk_pll_data {
u32 pcw_reg;
int pcw_shift;
u32 pcw_chg_reg;
+ int pcw_chg_shift;
const struct mtk_pll_div_table *div_table;
const char *parent_name;
u32 en_reg;
--
2.43.0
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