[PATCH 3/4] clk: samsung: exynos7: add clocks for audio block
Padmavathi Venna
padma.v at samsung.com
Fri Dec 19 05:23:46 PST 2014
Add required clk support for I2S,PCM amd SPDIF
Signed-off-by: Padmavathi Venna <padma.v at samsung.com>
---
.../devicetree/bindings/clock/exynos7-clock.txt | 6 +
drivers/clk/samsung/clk-exynos7.c | 144 +++++++++++++++++++-
include/dt-bindings/clock/exynos7-clk.h | 24 +++-
3 files changed, 169 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/clock/exynos7-clock.txt b/Documentation/devicetree/bindings/clock/exynos7-clock.txt
index 6d3d5f8..3b439ed 100644
--- a/Documentation/devicetree/bindings/clock/exynos7-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos7-clock.txt
@@ -34,6 +34,7 @@ Required Properties for Clock Controller:
- "samsung,exynos7-clock-peris"
- "samsung,exynos7-clock-fsys0"
- "samsung,exynos7-clock-fsys1"
+ - "samsung,exynos7-clock-aud"
- reg: physical base address of the controller and the length of
memory mapped region.
@@ -53,6 +54,7 @@ Input clocks for top0 clock controller:
- dout_sclk_bus1_pll
- dout_sclk_cc_pll
- dout_sclk_mfc_pll
+ - dout_sclk_aud_pll
Input clocks for top1 clock controller:
- fin_pll
@@ -91,3 +93,7 @@ Input clocks for fsys1 clock controller:
- dout_aclk_fsys1_200
- dout_sclk_mmc0
- dout_sclk_mmc1
+
+Input clocks for aud clock controller:
+ - fin_pll
+ - fout_aud_pll
diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c
index cf5e50e..e4bc241 100644
--- a/drivers/clk/samsung/clk-exynos7.c
+++ b/drivers/clk/samsung/clk-exynos7.c
@@ -45,6 +45,7 @@ static struct samsung_fixed_factor_clock topc_fixed_factor_clks[] __initdata = {
};
/* List of parent clocks for Muxes in CMU_TOPC */
+PNAME(mout_aud_pll_ctrl_p) = { "fin_pll", "fout_aud_pll" };
PNAME(mout_bus0_pll_ctrl_p) = { "fin_pll", "fout_bus0_pll" };
PNAME(mout_bus1_pll_ctrl_p) = { "fin_pll", "fout_bus1_pll" };
PNAME(mout_cc_pll_ctrl_p) = { "fin_pll", "fout_cc_pll" };
@@ -104,6 +105,7 @@ static struct samsung_mux_clock topc_mux_clks[] __initdata = {
MUX(0, "mout_sclk_bus0_pll_out", mout_sclk_bus0_pll_out_p,
MUX_SEL_TOPC1, 16, 1),
+ MUX(0, "mout_aud_pll_ctrl", mout_aud_pll_ctrl_p, MUX_SEL_TOPC1, 0, 1),
MUX(0, "mout_aclk_ccore_133", mout_topc_group2, MUX_SEL_TOPC2, 4, 2),
@@ -125,6 +127,13 @@ static struct samsung_div_clock topc_div_clks[] __initdata = {
DIV_TOPC3, 12, 3),
DIV(DOUT_SCLK_MFC_PLL, "dout_sclk_mfc_pll", "mout_mfc_pll_ctrl",
DIV_TOPC3, 16, 3),
+ DIV(DOUT_SCLK_AUD_PLL, "dout_sclk_aud_pll", "mout_aud_pll_ctrl",
+ DIV_TOPC3, 28, 3),
+};
+
+static struct samsung_pll_rate_table pll1460x_24mhz_tbl[] __initdata = {
+ PLL_36XX_RATE(491520000, 20, 1, 0, 31457),
+ {},
};
static struct samsung_pll_clock topc_pll_clks[] __initdata = {
@@ -136,8 +145,8 @@ static struct samsung_pll_clock topc_pll_clks[] __initdata = {
BUS1_DPLL_CON0, NULL),
PLL(pll_1452x, 0, "fout_mfc_pll", "fin_pll", MFC_PLL_LOCK,
MFC_PLL_CON0, NULL),
- PLL(pll_1460x, 0, "fout_aud_pll", "fin_pll", AUD_PLL_LOCK,
- AUD_PLL_CON0, NULL),
+ PLL(pll_1460x, FOUT_AUD_PLL, "fout_aud_pll", "fin_pll", AUD_PLL_LOCK,
+ AUD_PLL_CON0, pll1460x_24mhz_tbl),
};
static struct samsung_cmu_info topc_cmu_info __initdata = {
@@ -166,13 +175,16 @@ CLK_OF_DECLARE(exynos7_clk_topc, "samsung,exynos7-clock-topc",
#define MUX_SEL_TOP00 0x0200
#define MUX_SEL_TOP01 0x0204
#define MUX_SEL_TOP03 0x020C
+#define MUX_SEL_TOP0_PERIC0 0x0230
#define MUX_SEL_TOP0_PERIC1 0x0234
#define MUX_SEL_TOP0_PERIC2 0x0238
#define MUX_SEL_TOP0_PERIC3 0x023C
#define DIV_TOP03 0x060C
+#define DIV_TOP0_PERIC0 0x0630
#define DIV_TOP0_PERIC1 0x0634
#define DIV_TOP0_PERIC2 0x0638
#define DIV_TOP0_PERIC3 0x063C
+#define ENABLE_SCLK_TOP0_PERIC0 0x0A30
#define ENABLE_SCLK_TOP0_PERIC1 0x0A34
#define ENABLE_SCLK_TOP0_PERIC2 0x0A38
#define ENABLE_SCLK_TOP0_PERIC3 0x0A3C
@@ -182,6 +194,8 @@ PNAME(mout_bus0_pll_p) = { "fin_pll", "dout_sclk_bus0_pll" };
PNAME(mout_bus1_pll_p) = { "fin_pll", "dout_sclk_bus1_pll" };
PNAME(mout_cc_pll_p) = { "fin_pll", "dout_sclk_cc_pll" };
PNAME(mout_mfc_pll_p) = { "fin_pll", "dout_sclk_mfc_pll" };
+PNAME(mout_aud_pll_p) = { "fin_pll", "dout_sclk_aud_pll" };
+
PNAME(mout_top0_half_bus0_pll_p) = {"mout_top0_bus0_pll",
"ffac_top0_bus0_pll_div2"};
@@ -195,24 +209,34 @@ PNAME(mout_top0_half_mfc_pll_p) = {"mout_top0_mfc_pll",
PNAME(mout_top0_group1) = {"mout_top0_half_bus0_pll",
"mout_top0_half_bus1_pll", "mout_top0_half_cc_pll",
"mout_top0_half_mfc_pll"};
+PNAME(mout_top0_group3) = {"ioclk_audiocdclk0",
+ "ioclk_audiocdclk1", "ioclk_spdif_extclk",
+ "mout_top0_aud_pll", "mout_top0_half_bus0_pll",
+ "mout_top0_half_bus1_pll"};
+PNAME(mout_top0_group4) = {"ioclk_audiocdclk1", "mout_top0_aud_pll",
+ "mout_top0_half_bus0_pll", "mout_top0_half_bus1_pll"};
static unsigned long top0_clk_regs[] __initdata = {
MUX_SEL_TOP00,
MUX_SEL_TOP01,
MUX_SEL_TOP03,
+ MUX_SEL_TOP0_PERIC0,
MUX_SEL_TOP0_PERIC1,
MUX_SEL_TOP0_PERIC2,
MUX_SEL_TOP0_PERIC3,
DIV_TOP03,
+ DIV_TOP0_PERIC0,
DIV_TOP0_PERIC1,
DIV_TOP0_PERIC2,
DIV_TOP0_PERIC3,
+ ENABLE_SCLK_TOP0_PERIC0,
ENABLE_SCLK_TOP0_PERIC1,
ENABLE_SCLK_TOP0_PERIC2,
ENABLE_SCLK_TOP0_PERIC3,
};
static struct samsung_mux_clock top0_mux_clks[] __initdata = {
+ MUX(0, "mout_top0_aud_pll", mout_aud_pll_p, MUX_SEL_TOP00, 0, 1),
MUX(0, "mout_top0_mfc_pll", mout_mfc_pll_p, MUX_SEL_TOP00, 4, 1),
MUX(0, "mout_top0_cc_pll", mout_cc_pll_p, MUX_SEL_TOP00, 8, 1),
MUX(0, "mout_top0_bus1_pll", mout_bus1_pll_p, MUX_SEL_TOP00, 12, 1),
@@ -230,6 +254,10 @@ static struct samsung_mux_clock top0_mux_clks[] __initdata = {
MUX(0, "mout_aclk_peric1_66", mout_top0_group1, MUX_SEL_TOP03, 12, 2),
MUX(0, "mout_aclk_peric0_66", mout_top0_group1, MUX_SEL_TOP03, 20, 2),
+ MUX(0, "mout_sclk_spdif", mout_top0_group3, MUX_SEL_TOP0_PERIC0, 4, 3),
+ MUX(0, "mout_sclk_pcm1", mout_top0_group4, MUX_SEL_TOP0_PERIC0, 8, 2),
+ MUX(0, "mout_sclk_i2s1", mout_top0_group4, MUX_SEL_TOP0_PERIC0, 20, 2),
+
MUX(0, "mout_sclk_spi1", mout_top0_group1, MUX_SEL_TOP0_PERIC1, 8, 2),
MUX(0, "mout_sclk_spi0", mout_top0_group1, MUX_SEL_TOP0_PERIC1, 20, 2),
@@ -248,6 +276,10 @@ static struct samsung_div_clock top0_div_clks[] __initdata = {
DIV(DOUT_ACLK_PERIC0, "dout_aclk_peric0_66", "mout_aclk_peric0_66",
DIV_TOP03, 20, 6),
+ DIV(0, "dout_sclk_spdif", "mout_sclk_spdif", DIV_TOP0_PERIC0, 4, 4),
+ DIV(0, "dout_sclk_pcm1", "mout_sclk_pcm1", DIV_TOP0_PERIC0, 8, 12),
+ DIV(0, "dout_sclk_i2s1", "mout_sclk_i2s1", DIV_TOP0_PERIC0, 20, 10),
+
DIV(0, "dout_sclk_spi1", "mout_sclk_spi1", DIV_TOP0_PERIC1, 8, 12),
DIV(0, "dout_sclk_spi0", "mout_sclk_spi0", DIV_TOP0_PERIC1, 20, 12),
@@ -262,6 +294,13 @@ static struct samsung_div_clock top0_div_clks[] __initdata = {
};
static struct samsung_gate_clock top0_gate_clks[] __initdata = {
+ GATE(CLK_SCLK_SPDIF, "sclk_spdif", "dout_sclk_spdif",
+ ENABLE_SCLK_TOP0_PERIC0, 4, CLK_SET_RATE_PARENT, 0),
+ GATE(CLK_SCLK_PCM1, "sclk_pcm1", "dout_sclk_pcm1",
+ ENABLE_SCLK_TOP0_PERIC0, 8, CLK_SET_RATE_PARENT, 0),
+ GATE(CLK_SCLK_I2S1, "sclk_i2s1", "dout_sclk_i2s1",
+ ENABLE_SCLK_TOP0_PERIC0, 20, CLK_SET_RATE_PARENT, 0),
+
GATE(CLK_SCLK_SPI1, "sclk_spi1", "dout_sclk_spi1",
ENABLE_SCLK_TOP0_PERIC1, 8, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_SPI0, "sclk_spi0", "dout_sclk_spi0",
@@ -631,6 +670,12 @@ static struct samsung_gate_clock peric1_gate_clks[] __initdata = {
ENABLE_PCLK_PERIC1, 15, 0, 0),
GATE(PCLK_SPI4, "pclk_spi4", "mout_aclk_peric1_66_user",
ENABLE_PCLK_PERIC1, 16, 0, 0),
+ GATE(PCLK_I2S1, "pclk_i2s1", "mout_aclk_peric1_66_user",
+ ENABLE_PCLK_PERIC1, 17, CLK_SET_RATE_PARENT, 0),
+ GATE(PCLK_PCM1, "pclk_pcm1", "mout_aclk_peric1_66_user",
+ ENABLE_PCLK_PERIC1, 18, 0, 0),
+ GATE(PCLK_SPDIF, "pclk_spdif", "mout_aclk_peric1_66_user",
+ ENABLE_PCLK_PERIC1, 19, 0, 0),
GATE(SCLK_UART1, "sclk_uart1_user", "mout_sclk_uart1_user",
ENABLE_SCLK_PERIC10, 9, 0, 0),
@@ -648,6 +693,12 @@ static struct samsung_gate_clock peric1_gate_clks[] __initdata = {
ENABLE_SCLK_PERIC10, 15, CLK_SET_RATE_PARENT, 0),
GATE(SCLK_SPI4, "sclk_spi4_user", "mout_sclk_spi4_user",
ENABLE_SCLK_PERIC10, 16, CLK_SET_RATE_PARENT, 0),
+ GATE(SCLK_I2S1, "sclk_i2s1_user", "dout_sclk_i2s1",
+ ENABLE_SCLK_PERIC10, 17, 0, 0),
+ GATE(SCLK_PCM1, "sclk_pcm1_user", "dout_sclk_pcm1",
+ ENABLE_SCLK_PERIC10, 18, 0, 0),
+ GATE(SCLK_SPDIF, "sclk_spdif_user", "dout_sclk_spdif",
+ ENABLE_SCLK_PERIC10, 19, 0, 0),
};
static struct samsung_cmu_info peric1_cmu_info __initdata = {
@@ -882,3 +933,92 @@ static void __init exynos7_clk_fsys1_init(struct device_node *np)
CLK_OF_DECLARE(exynos7_clk_fsys1, "samsung,exynos7-clock-fsys1",
exynos7_clk_fsys1_init);
+
+/* Register Offset definitions for CMU_AUD (0x114C0000) */
+#define MUX_SEL_AUD 0x0200
+#define DIV_AUD0 0x0600
+#define DIV_AUD1 0x0604
+#define ENABLE_ACLK_AUD 0x0800
+#define ENABLE_PCLK_AUD 0x0900
+#define ENABLE_SCLK_AUD 0x0A00
+
+/*
+ * List of parent clocks for Muxes in CMU_AUD
+ */
+PNAME(mout_aud_pll_user_p) = { "fin_pll", "fout_aud_pll" };
+PNAME(mout_aud_group_p) = { "dout_aud_cdclk", "ioclk_audiocdclk0" };
+
+static unsigned long aud_clk_regs[] __initdata = {
+ MUX_SEL_AUD,
+ DIV_AUD0,
+ DIV_AUD1,
+ ENABLE_ACLK_AUD,
+ ENABLE_PCLK_AUD,
+ ENABLE_SCLK_AUD,
+};
+
+static struct samsung_mux_clock aud_mux_clks[] __initdata = {
+ MUX(0, "mout_sclk_i2s", mout_aud_group_p, MUX_SEL_AUD, 12, 1),
+ MUX(0, "mout_sclk_pcm", mout_aud_group_p, MUX_SEL_AUD, 16, 1),
+ MUX(0, "mout_aud_pll_user", mout_aud_pll_user_p, MUX_SEL_AUD, 20, 1),
+};
+
+static struct samsung_div_clock aud_div_clks[] __initdata = {
+ DIV(0, "dout_aud_ca5", "mout_aud_pll_user", DIV_AUD0, 0, 4),
+ DIV(0, "dout_aclk_aud", "dout_aud_ca5", DIV_AUD0, 4, 4),
+ DIV(0, "dout_aud_pclk_dbg", "dout_aud_ca5", DIV_AUD0, 8, 4),
+
+ DIV(0, "dout_sclk_i2s", "mout_sclk_i2s", DIV_AUD1, 0, 4),
+ DIV(0, "dout_sclk_pcm", "mout_sclk_pcm", DIV_AUD1, 4, 8),
+ DIV(0, "dout_sclk_uart", "dout_aud_cdclk", DIV_AUD1, 12, 4),
+ DIV(0, "dout_sclk_slimbus", "dout_aud_cdclk", DIV_AUD1, 16, 5),
+ DIV(0, "dout_aud_cdclk", "mout_aud_pll_user", DIV_AUD1, 24, 4),
+};
+
+static struct samsung_gate_clock aud_gate_clks[] __initdata = {
+ GATE(SCLK_PCM, "sclk_pcm", "dout_sclk_pcm",
+ ENABLE_SCLK_AUD, 27, CLK_SET_RATE_PARENT, 0),
+ GATE(SCLK_I2S, "sclk_i2s", "dout_sclk_i2s",
+ ENABLE_SCLK_AUD, 28, CLK_SET_RATE_PARENT, 0),
+ GATE(0, "sclk_uart", "dout_sclk_uart", ENABLE_SCLK_AUD, 29, 0, 0),
+ GATE(0, "sclk_slimbus", "dout_sclk_slimbus",
+ ENABLE_SCLK_AUD, 30, 0, 0),
+
+ GATE(0, "pclk_dbg_aud", "dout_aud_pclk_dbg", ENABLE_PCLK_AUD, 19, 0, 0),
+ GATE(0, "pclk_gpio_aud", "dout_aclk_aud", ENABLE_PCLK_AUD, 20, 0, 0),
+ GATE(0, "pclk_wdt1", "dout_aclk_aud", ENABLE_PCLK_AUD, 22, 0, 0),
+ GATE(0, "pclk_wdt0", "dout_aclk_aud", ENABLE_PCLK_AUD, 23, 0, 0),
+ GATE(0, "pclk_slimbus", "dout_aclk_aud", ENABLE_PCLK_AUD, 24, 0, 0),
+ GATE(0, "pclk_uart", "dout_aclk_aud", ENABLE_PCLK_AUD, 25, 0, 0),
+ GATE(PCLK_PCM, "pclk_pcm", "dout_aclk_aud",
+ ENABLE_PCLK_AUD, 26, CLK_SET_RATE_PARENT, 0),
+ GATE(PCLK_I2S, "pclk_i2s", "dout_aclk_aud",
+ ENABLE_PCLK_AUD, 27, CLK_SET_RATE_PARENT, 0),
+ GATE(0, "pclk_timer", "dout_aclk_aud", ENABLE_PCLK_AUD, 28, 0, 0),
+ GATE(0, "pclk_smmu_aud", "dout_aclk_aud", ENABLE_PCLK_AUD, 31, 0, 0),
+
+ GATE(0, "aclk_smmu_aud", "dout_aclk_aud", ENABLE_ACLK_AUD, 27, 0, 0),
+ GATE(0, "aclk_acel_lh_async_si_top", "dout_aclk_aud",
+ ENABLE_ACLK_AUD, 28, 0, 0),
+ GATE(ACLK_ADMA, "aclk_dmac", "dout_aclk_aud", ENABLE_ACLK_AUD, 31, 0, 0),
+};
+
+static struct samsung_cmu_info aud_cmu_info __initdata = {
+ .mux_clks = aud_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(aud_mux_clks),
+ .div_clks = aud_div_clks,
+ .nr_div_clks = ARRAY_SIZE(aud_div_clks),
+ .gate_clks = aud_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(aud_gate_clks),
+ .nr_clk_ids = AUD_NR_CLK,
+ .clk_regs = aud_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(aud_clk_regs),
+};
+
+static void __init exynos7_clk_aud_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &aud_cmu_info);
+}
+
+CLK_OF_DECLARE(exynos7_clk_aud, "samsung,exynos7-clock-aud",
+ exynos7_clk_aud_init);
diff --git a/include/dt-bindings/clock/exynos7-clk.h b/include/dt-bindings/clock/exynos7-clk.h
index 3bba9ec..9e5a2d8 100644
--- a/include/dt-bindings/clock/exynos7-clk.h
+++ b/include/dt-bindings/clock/exynos7-clk.h
@@ -17,7 +17,9 @@
#define DOUT_SCLK_CC_PLL 4
#define DOUT_SCLK_MFC_PLL 5
#define DOUT_ACLK_CCORE_133 6
-#define TOPC_NR_CLK 7
+#define DOUT_SCLK_AUD_PLL 7
+#define FOUT_AUD_PLL 8
+#define TOPC_NR_CLK 9
/* TOP0 */
#define DOUT_ACLK_PERIC1 1
@@ -32,7 +34,10 @@
#define CLK_SCLK_SPI3 10
#define CLK_SCLK_SPI4 11
#define CLK_SCLK_SPI5 12
-#define TOP0_NR_CLK 13
+#define CLK_SCLK_SPDIF 13
+#define CLK_SCLK_PCM1 14
+#define CLK_SCLK_I2S1 15
+#define TOP0_NR_CLK 16
/* TOP1 */
#define DOUT_ACLK_FSYS1_200 1
@@ -88,7 +93,13 @@
#define SCLK_SPI3 21
#define SCLK_SPI4 22
#define SCLK_SPI5 23
-#define PERIC1_NR_CLK 24
+#define PCLK_I2S1 24
+#define PCLK_PCM1 25
+#define PCLK_SPDIF 26
+#define SCLK_I2S1 27
+#define SCLK_PCM1 28
+#define SCLK_SPDIF 29
+#define PERIC1_NR_CLK 30
/* PERIS */
#define PCLK_CHIPID 1
@@ -116,4 +127,11 @@
#define ACLK_MMC0 2
#define FSYS1_NR_CLK 3
+/* AUD */
+#define SCLK_I2S 1
+#define SCLK_PCM 2
+#define PCLK_I2S 3
+#define PCLK_PCM 4
+#define ACLK_ADMA 5
+#define AUD_NR_CLK 6
#endif /* _DT_BINDINGS_CLOCK_EXYNOS7_H */
--
1.7.4.4
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