[PATCH 3/4] clk: samsung: exynos7: add clocks for audio block
Vivek Gautam
gautamvivek1987 at gmail.com
Tue Jan 13 02:29:22 PST 2015
Hi Padma,
On Fri, Dec 19, 2014 at 6:53 PM, Padmavathi Venna <padma.v at samsung.com> wrote:
> Add required clk support for I2S,PCM amd SPDIF
>
> Signed-off-by: Padmavathi Venna <padma.v at samsung.com>
> ---
verified from Exynos7 datasheet. The patch looks good.
Reviewed-by: Vivek Gautam <gautam.vivek 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" };
> +
nit: unnecessary additional line.
>
> 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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--
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
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