Compared with the previous SoCs, self-adaption current module
is newly added for A1, and there is no reset parameter except the
fixed pll. Since we use clk-pll generic driver for A1 pll
implementation, rst bit should be optional to support new behavior.
Signed-off-by: Jian Hu <jian.hu@xxxxxxxxxxx>
Acked-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
Signed-off-by: Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx>
---
drivers/clk/meson/clk-pll.c | 24 +++++++++++++++++-------
1 file changed, 17 insertions(+), 7 deletions(-)
diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c
index afefeba6e458..314ca945a4d0 100644
--- a/drivers/clk/meson/clk-pll.c
+++ b/drivers/clk/meson/clk-pll.c
@@ -295,10 +295,14 @@ static int meson_clk_pll_init(struct clk_hw *hw)
struct meson_clk_pll_data *pll = meson_clk_pll_data(clk);
if (pll->init_count) {
- meson_parm_write(clk->map, &pll->rst, 1);
+ if (MESON_PARM_APPLICABLE(&pll->rst))
+ meson_parm_write(clk->map, &pll->rst, 1);
+
regmap_multi_reg_write(clk->map, pll->init_regs,
pll->init_count);
- meson_parm_write(clk->map, &pll->rst, 0);
+
+ if (MESON_PARM_APPLICABLE(&pll->rst))
+ meson_parm_write(clk->map, &pll->rst, 0);
}
return 0;
@@ -309,8 +313,11 @@ static int meson_clk_pll_is_enabled(struct clk_hw *hw)
struct clk_regmap *clk = to_clk_regmap(hw);
struct meson_clk_pll_data *pll = meson_clk_pll_data(clk);
- if (meson_parm_read(clk->map, &pll->rst) ||
- !meson_parm_read(clk->map, &pll->en) ||
+ if (MESON_PARM_APPLICABLE(&pll->rst) &&
+ meson_parm_read(clk->map, &pll->rst))
+ return 0;
+
+ if (!meson_parm_read(clk->map, &pll->en) ||
!meson_parm_read(clk->map, &pll->l))
return 0;
@@ -341,13 +348,15 @@ static int meson_clk_pll_enable(struct clk_hw *hw)
return 0;
/* Make sure the pll is in reset */
- meson_parm_write(clk->map, &pll->rst, 1);
+ if (MESON_PARM_APPLICABLE(&pll->rst))
+ meson_parm_write(clk->map, &pll->rst, 1);
/* Enable the pll */
meson_parm_write(clk->map, &pll->en, 1);
/* Take the pll out reset */
- meson_parm_write(clk->map, &pll->rst, 0);
+ if (MESON_PARM_APPLICABLE(&pll->rst))
+ meson_parm_write(clk->map, &pll->rst, 0);
if (meson_clk_pll_wait_lock(hw))
return -EIO;
@@ -361,7 +370,8 @@ static void meson_clk_pll_disable(struct clk_hw *hw)
struct meson_clk_pll_data *pll = meson_clk_pll_data(clk);
/* Put the pll is in reset */
- meson_parm_write(clk->map, &pll->rst, 1);
+ if (MESON_PARM_APPLICABLE(&pll->rst))
+ meson_parm_write(clk->map, &pll->rst, 1);
/* Disable the pll */
meson_parm_write(clk->map, &pll->en, 0);
--
2.36.0
