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authorSam Shih <sam.shih@mediatek.com>2023-12-17 21:50:07 +0000
committerStephen Boyd <sboyd@kernel.org>2024-01-03 15:55:19 -0800
commitd9bf944beaaad1890ad3fcb755c61e1c7e4c5630 (patch)
tree7f6edc3a36c29eefdb7458c3de837dda6c597b51 /drivers/clk
parentafd36e9d91b0a840983b829a9e95407d8151f7e7 (diff)
downloadlinux-d9bf944beaaad1890ad3fcb755c61e1c7e4c5630.tar.gz
clk: mediatek: add pcw_chg_bit control for PLLs of MT7988
Introduce pcw_chg_bit member to struct mtk_pll_data and use it instead of the previously hardcoded PCW_CHG_MASK macro if set. This will needed for clocks on the MT7988 SoC. Signed-off-by: Sam Shih <sam.shih@mediatek.com> Signed-off-by: Daniel Golle <daniel@makrotopia.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/3b9c65ddb08c8bedf790aacf29871af026b6f0b7.1702849494.git.daniel@makrotopia.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/mediatek/clk-pll.c5
-rw-r--r--drivers/clk/mediatek/clk-pll.h1
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/clk/mediatek/clk-pll.c b/drivers/clk/mediatek/clk-pll.c
index 513ab6b1b32292..ce453e1718e535 100644
--- a/drivers/clk/mediatek/clk-pll.c
+++ b/drivers/clk/mediatek/clk-pll.c
@@ -23,7 +23,7 @@
#define CON0_BASE_EN BIT(0)
#define CON0_PWR_ON BIT(0)
#define CON0_ISO_EN BIT(1)
-#define PCW_CHG_MASK BIT(31)
+#define PCW_CHG_BIT 31
#define AUDPLL_TUNER_EN BIT(31)
@@ -114,7 +114,8 @@ 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;
+ chg = readl(pll->pcw_chg_addr) |
+ BIT(pll->data->pcw_chg_bit ? : PCW_CHG_BIT);
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 f17278ff15d78f..285c8db958b39e 100644
--- a/drivers/clk/mediatek/clk-pll.h
+++ b/drivers/clk/mediatek/clk-pll.h
@@ -48,6 +48,7 @@ struct mtk_pll_data {
const char *parent_name;
u32 en_reg;
u8 pll_en_bit; /* Assume 0, indicates BIT(0) by default */
+ u8 pcw_chg_bit;
};
/*