The SDHI clock must be configured differently for HS200/HS400/SDR104 modes. Add support for reconfiguring the SDHI clock settings into the clock driver.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com Cc: Nobuhiro Iwamatsu iwamatsu@nigauri.org --- drivers/clk/renesas/clk-rcar-gen3.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/clk/renesas/clk-rcar-gen3.c b/drivers/clk/renesas/clk-rcar-gen3.c index 99698b1f46..0529fc8763 100644 --- a/drivers/clk/renesas/clk-rcar-gen3.c +++ b/drivers/clk/renesas/clk-rcar-gen3.c @@ -107,7 +107,7 @@ static int gen3_clk_get_parent(struct gen3_clk_priv *priv, struct clk *clk, return renesas_clk_get_parent(clk, info, parent); }
-static int gen3_clk_setup_sdif_div(struct clk *clk) +static int gen3_clk_setup_sdif_div(struct clk *clk, ulong rate) { struct gen3_clk_priv *priv = dev_get_priv(clk->dev); struct cpg_mssr_info *info = priv->info; @@ -133,7 +133,7 @@ static int gen3_clk_setup_sdif_div(struct clk *clk)
debug("%s[%i] SDIF offset=%x\n", __func__, __LINE__, core->offset);
- writel(1, priv->base + core->offset); + writel((rate == 400000000) ? 0x4 : 0x1, priv->base + core->offset);
return 0; } @@ -141,10 +141,6 @@ static int gen3_clk_setup_sdif_div(struct clk *clk) static int gen3_clk_enable(struct clk *clk) { struct gen3_clk_priv *priv = dev_get_priv(clk->dev); - int ret = gen3_clk_setup_sdif_div(clk); - - if (ret) - return ret;
return renesas_clk_endisable(clk, priv->base, true); } @@ -328,7 +324,7 @@ static ulong gen3_clk_get_rate(struct clk *clk) static ulong gen3_clk_set_rate(struct clk *clk, ulong rate) { /* Force correct SD-IF divider configuration if applicable */ - gen3_clk_setup_sdif_div(clk); + gen3_clk_setup_sdif_div(clk, rate); return gen3_clk_get_rate64(clk); }