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clk: meson: meson8b: add the cts_amclk clocks

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Add the I2S master clock also referred as cts_amclk. The setup for this
clock is identical to GXBB, so this ports commit 4087bd4b21 ("clk:
meson: gxbb: add cts_amclk") 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 22:03:17 +02:00 • committed by Jerome Brunet
parent 4c7c965903
commit f278f05e74
2 changed files with 69 additions and 1 deletions
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65
drivers/clk/meson/meson8b.c
View file

@ -2153,6 +2153,59 @@ static struct clk_regmap meson8b_vdec_hevc = {
},
};
/* TODO: the clock at index 0 is "DDR_PLL" which we don't support yet */
static const char * const meson8b_cts_amclk_parent_names[] = {
"mpll0", "mpll1", "mpll2"
};
static u32 meson8b_cts_amclk_mux_table[] = { 1, 2, 3 };
static struct clk_regmap meson8b_cts_amclk_sel = {
.data = &(struct clk_regmap_mux_data){
.offset = HHI_AUD_CLK_CNTL,
.mask = 0x3,
.shift = 9,
.table = meson8b_cts_amclk_mux_table,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cts_amclk_sel",
.ops = &clk_regmap_mux_ops,
.parent_names = meson8b_cts_amclk_parent_names,
.num_parents = ARRAY_SIZE(meson8b_cts_amclk_parent_names),
},
};
static struct clk_regmap meson8b_cts_amclk_div = {
.data = &(struct clk_regmap_div_data) {
.offset = HHI_AUD_CLK_CNTL,
.shift = 0,
.width = 8,
.flags = CLK_DIVIDER_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cts_amclk_div",
.ops = &clk_regmap_divider_ops,
.parent_names = (const char *[]){ "cts_amclk_sel" },
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap meson8b_cts_amclk = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_AUD_CLK_CNTL,
.bit_idx = 8,
},
.hw.init = &(struct clk_init_data){
.name = "cts_amclk",
.ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "cts_amclk_div" },
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
/* Everything Else (EE) domain gates */
static MESON_GATE(meson8b_ddr, HHI_GCLK_MPEG0, 0);
@ -2432,6 +2485,9 @@ static struct clk_hw_onecell_data meson8_hw_onecell_data = {
[CLKID_VDEC_HEVC_DIV] = &meson8b_vdec_hevc_div.hw,
[CLKID_VDEC_HEVC_EN] = &meson8b_vdec_hevc_en.hw,
[CLKID_VDEC_HEVC] = &meson8b_vdec_hevc.hw,
[CLKID_CTS_AMCLK_SEL] = &meson8b_cts_amclk_sel.hw,
[CLKID_CTS_AMCLK_DIV] = &meson8b_cts_amclk_div.hw,
[CLKID_CTS_AMCLK] = &meson8b_cts_amclk.hw,
[CLK_NR_CLKS] = NULL,
},
.num = CLK_NR_CLKS,
@ -2641,6 +2697,9 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
[CLKID_VDEC_HEVC_DIV] = &meson8b_vdec_hevc_div.hw,
[CLKID_VDEC_HEVC_EN] = &meson8b_vdec_hevc_en.hw,
[CLKID_VDEC_HEVC] = &meson8b_vdec_hevc.hw,
[CLKID_CTS_AMCLK_SEL] = &meson8b_cts_amclk_sel.hw,
[CLKID_CTS_AMCLK_DIV] = &meson8b_cts_amclk_div.hw,
[CLKID_CTS_AMCLK] = &meson8b_cts_amclk.hw,
[CLK_NR_CLKS] = NULL,
},
.num = CLK_NR_CLKS,
@ -2852,6 +2911,9 @@ static struct clk_hw_onecell_data meson8m2_hw_onecell_data = {
[CLKID_VDEC_HEVC_DIV] = &meson8b_vdec_hevc_div.hw,
[CLKID_VDEC_HEVC_EN] = &meson8b_vdec_hevc_en.hw,
[CLKID_VDEC_HEVC] = &meson8b_vdec_hevc.hw,
[CLKID_CTS_AMCLK_SEL] = &meson8b_cts_amclk_sel.hw,
[CLKID_CTS_AMCLK_DIV] = &meson8b_cts_amclk_div.hw,
[CLKID_CTS_AMCLK] = &meson8b_cts_amclk.hw,
[CLK_NR_CLKS] = NULL,
},
.num = CLK_NR_CLKS,
@ -3041,6 +3103,9 @@ static struct clk_regmap *const meson8b_clk_regmaps[] = {
&meson8b_vdec_hevc_div,
&meson8b_vdec_hevc_en,
&meson8b_vdec_hevc,
&meson8b_cts_amclk,
&meson8b_cts_amclk_sel,
&meson8b_cts_amclk_div,
};
static const struct meson8b_clk_reset_line {

5
drivers/clk/meson/meson8b.h
View file

@ -30,6 +30,7 @@
#define HHI_SYS_CPU_CLK_CNTL1 0x15c /* 0x57 offset in data sheet */
#define HHI_VID_CLK_DIV 0x164 /* 0x59 offset in data sheet */
#define HHI_MPEG_CLK_CNTL 0x174 /* 0x5d offset in data sheet */
#define HHI_AUD_CLK_CNTL 0x178 /* 0x5e offset in data sheet */
#define HHI_VID_CLK_CNTL 0x17c /* 0x5f offset in data sheet */
#define HHI_VID_CLK_CNTL2 0x194 /* 0x65 offset in data sheet */
#define HHI_VID_DIVIDER_CNTL 0x198 /* 0x66 offset in data sheet */
@ -171,8 +172,10 @@
#define CLKID_VDEC_HEVC_SEL 203
#define CLKID_VDEC_HEVC_DIV 204
#define CLKID_VDEC_HEVC_EN 205
#define CLKID_CTS_AMCLK_SEL 207
#define CLKID_CTS_AMCLK_DIV 208
#define CLK_NR_CLKS 207
#define CLK_NR_CLKS 210
/*
* include the CLKID and RESETID that have