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clk: meson: meson8b: add the cts_i958 clock

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Add the cts_i958 clock to control the clock source of the spdif output
block. It is used to select whether the clock source of the spdif output
is cts_amclk (when data are taken from i2s buffer) or the cts_mclk_i958
(when data are taken from the spdif buffer). The setup for this clock is
identical to GXBB, so this ports commit 7eaa44f620 ("clk: meson:
gxbb: add cts_i958 clock") to the Meson8/Meson8b/Meson8m2 clock driver.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
This commit is contained in:
Martin Blumenstingl 2019-05-20 22:03:19 +02:00 committed by Jerome Brunet
parent c39c24c1ca
commit 174806aa9a
2 changed files with 25 additions and 1 deletions
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24
drivers/clk/meson/meson8b.c
View File

@ -2259,6 +2259,26 @@ static struct clk_regmap meson8b_cts_mclk_i958 = {
},
};
static struct clk_regmap meson8b_cts_i958 = {
.data = &(struct clk_regmap_mux_data){
.offset = HHI_AUD_CLK_CNTL2,
.mask = 0x1,
.shift = 27,
},
.hw.init = &(struct clk_init_data){
.name = "cts_i958",
.ops = &clk_regmap_mux_ops,
.parent_names = (const char *[]){ "cts_amclk",
"cts_mclk_i958" },
.num_parents = 2,
/*
* The parent is specific to origin of the audio data. Let the
* consumer choose the appropriate parent.
*/
.flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
},
};
/* Everything Else (EE) domain gates */
static MESON_GATE(meson8b_ddr, HHI_GCLK_MPEG0, 0);
@ -2544,6 +2564,7 @@ static struct clk_hw_onecell_data meson8_hw_onecell_data = {
[CLKID_CTS_MCLK_I958_SEL] = &meson8b_cts_mclk_i958_sel.hw,
[CLKID_CTS_MCLK_I958_DIV] = &meson8b_cts_mclk_i958_div.hw,
[CLKID_CTS_MCLK_I958] = &meson8b_cts_mclk_i958.hw,
[CLKID_CTS_I958] = &meson8b_cts_i958.hw,
[CLK_NR_CLKS] = NULL,
},
.num = CLK_NR_CLKS,
@ -2759,6 +2780,7 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
[CLKID_CTS_MCLK_I958_SEL] = &meson8b_cts_mclk_i958_sel.hw,
[CLKID_CTS_MCLK_I958_DIV] = &meson8b_cts_mclk_i958_div.hw,
[CLKID_CTS_MCLK_I958] = &meson8b_cts_mclk_i958.hw,
[CLKID_CTS_I958] = &meson8b_cts_i958.hw,
[CLK_NR_CLKS] = NULL,
},
.num = CLK_NR_CLKS,
@ -2976,6 +2998,7 @@ static struct clk_hw_onecell_data meson8m2_hw_onecell_data = {
[CLKID_CTS_MCLK_I958_SEL] = &meson8b_cts_mclk_i958_sel.hw,
[CLKID_CTS_MCLK_I958_DIV] = &meson8b_cts_mclk_i958_div.hw,
[CLKID_CTS_MCLK_I958] = &meson8b_cts_mclk_i958.hw,
[CLKID_CTS_I958] = &meson8b_cts_i958.hw,
[CLK_NR_CLKS] = NULL,
},
.num = CLK_NR_CLKS,
@ -3171,6 +3194,7 @@ static struct clk_regmap *const meson8b_clk_regmaps[] = {
&meson8b_cts_mclk_i958_sel,
&meson8b_cts_mclk_i958_div,
&meson8b_cts_mclk_i958,
&meson8b_cts_i958,
};
static const struct meson8b_clk_reset_line {

2
drivers/clk/meson/meson8b.h
View File

@ -178,7 +178,7 @@
#define CLKID_CTS_MCLK_I958_SEL 210
#define CLKID_CTS_MCLK_I958_DIV 211
#define CLK_NR_CLKS 213
#define CLK_NR_CLKS 214
/*
* include the CLKID and RESETID that have