openwrt/target/linux/mediatek/patches-5.15/241-clk-mediatek-Add-pcw-chg-shift-control.patch
Sam Shih b33c185876 mediatek: add mt7988 clock drivers support
This adds clock drivers for the MediaTek MT7988 SoC

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2023-05-23 15:53:22 +01:00

25 lines
804 B
Diff

--- a/drivers/clk/mediatek/clk-mtk.h
+++ b/drivers/clk/mediatek/clk-mtk.h
@@ -233,6 +233,7 @@ 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;
--- a/drivers/clk/mediatek/clk-pll.c
+++ b/drivers/clk/mediatek/clk-pll.c
@@ -137,7 +137,10 @@ static void mtk_pll_set_rate_regs(struct
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);