This patch adds the mux/divider/gate clocks for CMU_AUD domain which
includes the clocks of Cortex-A5/Bus/Audio clocks.
Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Cc: Tomasz Figa <tomasz.figa@xxxxxxxxx>
Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
Acked-by: Inki Dae <inki.dae@xxxxxxxxxxx>
---
.../devicetree/bindings/clock/exynos5433-clock.txt | 7 +
drivers/clk/samsung/clk-exynos5433.c | 172 +++++++++++++++++++++
include/dt-bindings/clock/exynos5433.h | 53 +++++++
3 files changed, 232 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
index 8d3dad4..9a6ae75 100644
--- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
@@ -23,6 +23,8 @@ Required Properties:
which generates clocks for G2D/MDMA IPs.
- "samsung,exynos5433-cmu-disp" - clock controller compatible for CMU_DISP
which generates clocks for Display (DECON/HDMI/DSIM/MIXER) IPs.
+ - "samsung,exynos5433-cmu-aud" - clock controller compatible for CMU_AUD
+ which generates clocks for Cortex-A5/BUS/AUDIO clocks.
- reg: physical base address of the controller and length of memory mapped
region.
@@ -86,6 +88,11 @@ Example 1: Examples of clock controller nodes are listed below.
#clock-cells = <1>;
};
+ cmu_aud: clock-controller@0x114c0000 {
+ compatible = "samsung,exynos5433-cmu-aud";
+ reg = <0x114c0000 0x0b04>;
+ #clock-cells = <1>;
+ };
Example 2: UART controller node that consumes the clock generated by the clock
controller.
diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c
index 3a3e64b..a33ef2e 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -2459,3 +2459,175 @@ static void __init exynos5433_cmu_disp_init(struct device_node *np)
CLK_OF_DECLARE(exynos5433_cmu_disp, "samsung,exynos5433-cmu-disp",
exynos5433_cmu_disp_init);
+
+/*
+ * Register offset definitions for CMU_AUD
+ */
+#define MUX_SEL_AUD0 0x0200
+#define MUX_SEL_AUD1 0x0204
+#define MUX_ENABLE_AUD0 0x0300
+#define MUX_ENABLE_AUD1 0x0304
+#define MUX_STAT_AUD0 0x0400
+#define DIV_AUD0 0x0600
+#define DIV_AUD1 0x0604
+#define DIV_STAT_AUD0 0x0700
+#define DIV_STAT_AUD1 0x0704
+#define ENABLE_ACLK_AUD 0x0800
+#define ENABLE_PCLK_AUD 0x0900
+#define ENABLE_SCLK_AUD0 0x0a00
+#define ENABLE_SCLK_AUD1 0x0a04
+#define ENABLE_IP_AUD0 0x0b00
+#define ENABLE_IP_AUD1 0x0b04
+
+static unsigned long aud_clk_regs[] __initdata = {
+ MUX_SEL_AUD0,
+ MUX_SEL_AUD1,
+ MUX_ENABLE_AUD0,
+ MUX_ENABLE_AUD1,
+ MUX_STAT_AUD0,
+ DIV_AUD0,
+ DIV_AUD1,
+ DIV_STAT_AUD0,
+ DIV_STAT_AUD1,
+ ENABLE_ACLK_AUD,
+ ENABLE_PCLK_AUD,
+ ENABLE_SCLK_AUD0,
+ ENABLE_SCLK_AUD1,
+ ENABLE_IP_AUD0,
+ ENABLE_IP_AUD1,
+};
+
+/* list of all parent clock list */
+PNAME(mout_aud_pll_user_aud_p) = { "fin_pll", "fout_aud_pll", };
+PNAME(mout_sclk_aud_pcm_p) = { "mout_aud_pll_user", "ioclk_audiocdclk0",};
+
+static struct samsung_fixed_rate_clock aud_fixed_clks[] __initdata = {
+ FRATE(0, "ioclk_jtag_tclk", NULL, CLK_IS_ROOT, 33000000),
+ FRATE(0, "ioclk_slimbus_clk", NULL, CLK_IS_ROOT, 25000000),
+ FRATE(0, "ioclk_i2s_bclk", NULL, CLK_IS_ROOT, 50000000),
+};
+
+static struct samsung_mux_clock aud_mux_clks[] __initdata = {
+ /* MUX_SEL_AUD0 */
+ MUX(CLK_MOUT_AUD_PLL_USER, "mout_aud_pll_user",
+ mout_aud_pll_user_aud_p, MUX_SEL_AUD0, 0, 1),
+
+ /* MUX_SEL_AUD1 */
+ MUX(CLK_MOUT_SCLK_AUD_PCM, "mout_sclk_aud_pcm", mout_sclk_aud_pcm_p,
+ MUX_SEL_AUD1, 8, 1),
+ MUX(CLK_MOUT_SCLK_AUD_I2S, "mout_sclk_aud_i2s", mout_sclk_aud_pcm_p,
+ MUX_SEL_AUD1, 0, 1),
+};
+
+static struct samsung_div_clock aud_div_clks[] __initdata = {
+ /* DIV_AUD0 */
+ DIV(CLK_DIV_ATCLK_AUD, "div_atclk_aud", "div_aud_ca5", DIV_AUD0,
+ 12, 4),
+ DIV(CLK_DIV_PCLK_DBG_AUD, "div_pclk_dbg_aud", "div_aud_ca5", DIV_AUD0,
+ 8, 4),
+ DIV(CLK_DIV_ACLK_AUD, "div_aclk_aud", "div_aud_ca5", DIV_AUD0,
+ 4, 4),
+ DIV(CLK_DIV_AUD_CA5, "div_aud_ca5", "mout_aud_pll_user", DIV_AUD0,
+ 0, 4),
+
+ /* DIV_AUD1 */
+ DIV(CLK_DIV_SCLK_AUD_SLIMBUS, "div_sclk_aud_slimbus",
+ "mout_aud_pll_user", DIV_AUD1, 16, 5),
+ DIV(CLK_DIV_SCLK_AUD_UART, "div_sclk_aud_uart", "mout_aud_pll_user",
+ DIV_AUD1, 12, 4),
+ DIV(CLK_DIV_SCLK_AUD_PCM, "div_sclk_aud_pcm", "mout_sclk_aud_pcm",
+ DIV_AUD1, 4, 8),
+ DIV(CLK_DIV_SCLK_AUD_I2S, "div_sclk_aud_i2s", "mout_sclk_aud_i2s",
+ DIV_AUD1, 0, 4),
+};
+
+static struct samsung_gate_clock aud_gate_clks[] __initdata = {
+ /* ENABLE_ACLK_AUD */
+ GATE(CLK_ACLK_INTR_CTRL, "aclk_intr_ctrl", "div_aclk_aud",
+ ENABLE_ACLK_AUD, 12, 0, 0),
+ GATE(CLK_ACLK_SMMU_LPASSX, "aclk_smmu_lpassx", "div_aclk_aud",
+ ENABLE_ACLK_AUD, 7, 0, 0),
+ GATE(CLK_ACLK_XIU_LPASSX, "aclk_xiu_lpassx", "div_aclk_aud",
+ ENABLE_ACLK_AUD, 0, 4, 0),
+ GATE(CLK_ACLK_AUDNP_133, "aclk_audnp_133", "div_aclk_aud",
+ ENABLE_ACLK_AUD, 0, 3, 0),
+ GATE(CLK_ACLK_AUDND_133, "aclk_audnd_133", "div_aclk_aud",
+ ENABLE_ACLK_AUD, 0, 2, 0),
+ GATE(CLK_ACLK_SRAMC, "aclk_sramc", "div_aclk_aud", ENABLE_ACLK_AUD,
+ 0, 1, 0),
+ GATE(CLK_ACLK_DMAC, "aclk_dmac", "div_aclk_aud", ENABLE_ACLK_AUD,
+ 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_PCLK_AUD */
+ GATE(CLK_PCLK_WDT1, "pclk_wdt1", "div_aclk_aud", ENABLE_PCLK_AUD,
+ 13, 0, 0),
+ GATE(CLK_PCLK_WDT0, "pclk_wdt0", "div_aclk_aud", ENABLE_PCLK_AUD,
+ 12, 0, 0),
+ GATE(CLK_PCLK_SFR1, "pclk_sfr1", "div_aclk_aud", ENABLE_PCLK_AUD,
+ 11, 0, 0),
+ GATE(CLK_PCLK_SMMU_LPASSX, "pclk_smmu_lpassx", "div_aclk_aud",
+ ENABLE_PCLK_AUD, 10, 0, 0),
+ GATE(CLK_PCLK_GPIO_AUD, "pclk_gpio_aud", "div_aclk_aud",
+ ENABLE_PCLK_AUD, 9, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_PMU_AUD, "pclk_pmu_aud", "div_aclk_aud",
+ ENABLE_PCLK_AUD, 8, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SYSREG_AUD, "pclk_sysreg_aud", "div_aclk_aud",
+ ENABLE_PCLK_AUD, 7, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_AUD_SLIMBUS, "pclk_aud_slimbus", "div_aclk_aud",
+ ENABLE_PCLK_AUD, 6, 0, 0),
+ GATE(CLK_PCLK_AUD_UART, "pclk_aud_uart", "div_aclk_aud",
+ ENABLE_PCLK_AUD, 5, 0, 0),
+ GATE(CLK_PCLK_AUD_PCM, "pclk_aud_pcm", "div_aclk_aud",
+ ENABLE_PCLK_AUD, 4, 0, 0),
+ GATE(CLK_PCLK_AUD_I2S, "pclk_aud_i2s", "div_aclk_aud",
+ ENABLE_PCLK_AUD, 3, 0, 0),
+ GATE(CLK_PCLK_TIMER, "pclk_timer", "div_aclk_aud", ENABLE_PCLK_AUD,
+ 2, 0, 0),
+ GATE(CLK_PCLK_SFR0_CTRL, "pclk_sfr0_ctrl", "div_aclk_aud",
+ ENABLE_PCLK_AUD, 0, 0, 0),
+
+ /* ENABLE_SCLK_AUD0 */
+ GATE(CLK_ATCLK_AUD, "atclk_aud", "div_atclk_aud", ENABLE_SCLK_AUD0,
+ 2, 0, 0),
+ GATE(CLK_PCLK_DBG_AUD, "pclk_dbg_aud", "div_pclk_dbg_aud",
+ ENABLE_SCLK_AUD0, 1, 0, 0),
+ GATE(CLK_SCLK_AUD_CA5, "sclk_aud_ca5", "div_aud_ca5", ENABLE_SCLK_AUD0,
+ 0, 0, 0),
+
+ /* ENABLE_SCLK_AUD1 */
+ GATE(CLK_SCLK_JTAG_TCK, "sclk_jtag_tck", "ioclk_jtag_tclk",
+ ENABLE_SCLK_AUD1, 6, 0, 0),
+ GATE(CLK_SCLK_SLIMBUS_CLKIN, "sclk_slimbus_clkin", "ioclk_slimbus_clk",
+ ENABLE_SCLK_AUD1, 5, 0, 0),
+ GATE(CLK_SCLK_AUD_SLIMBUS, "sclk_aud_slimbus", "div_sclk_aud_slimbus",
+ ENABLE_SCLK_AUD1, 4, 0, 0),
+ GATE(CLK_SCLK_AUD_UART, "sclk_aud_uart", "div_sclk_aud_uart",
+ ENABLE_SCLK_AUD1, 3, 0, 0),
+ GATE(CLK_SCLK_AUD_PCM, "sclk_aud_pcm", "div_sclk_aud_pcm",
+ ENABLE_SCLK_AUD1, 2, 0, 0),
+ GATE(CLK_SCLK_I2S_BCLK, "sclk_i2s_bclk", "ioclk_i2s_bclk",
+ ENABLE_SCLK_AUD1, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_SCLK_AUD_I2S, "sclk_aud_i2s", "div_sclk_aud_i2s",
+ ENABLE_SCLK_AUD1, 0, CLK_IGNORE_UNUSED, 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),
+ .fixed_clks = aud_fixed_clks,
+ .nr_fixed_clks = ARRAY_SIZE(aud_fixed_clks),
+ .nr_clk_ids = AUD_NR_CLK,
+ .clk_regs = aud_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(aud_clk_regs),
+};
+
+static void __init exynos5433_cmu_aud_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &aud_cmu_info);
+}
+CLK_OF_DECLARE(exynos5433_cmu_aud, "samsung,exynos5433-cmu-aud",
+ exynos5433_cmu_aud_init);
diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h
index 3783f4a..4828e02 100644
--- a/include/dt-bindings/clock/exynos5433.h
+++ b/include/dt-bindings/clock/exynos5433.h
@@ -626,4 +626,57 @@
#define DISP_NR_CLK 111
+/* CMU_AUD */
+#define CLK_MOUT_AUD_PLL_USER 1
+#define CLK_MOUT_SCLK_AUD_PCM 2
+#define CLK_MOUT_SCLK_AUD_I2S 3
+
+#define CLK_DIV_ATCLK_AUD 4
+#define CLK_DIV_PCLK_DBG_AUD 5
+#define CLK_DIV_ACLK_AUD 6
+#define CLK_DIV_AUD_CA5 7
+#define CLK_DIV_SCLK_AUD_SLIMBUS 8
+#define CLK_DIV_SCLK_AUD_UART 9
+#define CLK_DIV_SCLK_AUD_PCM 10
+#define CLK_DIV_SCLK_AUD_I2S 11
+
+#define CLK_ACLK_INTR_CTRL 12
+#define CLK_ACLK_AXIDS2_LPASSP 13
+#define CLK_ACLK_AXIDS1_LPASSP 14
+#define CLK_ACLK_AXI2APB1_LPASSP 15
+#define CLK_ACLK_AXI2APH_LPASSP 16
+#define CLK_ACLK_SMMU_LPASSX 17
+#define CLK_ACLK_AXIDS0_LPASSP 18
+#define CLK_ACLK_AXI2APB0_LPASSP 19
+#define CLK_ACLK_XIU_LPASSX 20
+#define CLK_ACLK_AUDNP_133 21
+#define CLK_ACLK_AUDND_133 22
+#define CLK_ACLK_SRAMC 23
+#define CLK_ACLK_DMAC 24
+#define CLK_PCLK_WDT1 25
+#define CLK_PCLK_WDT0 26
+#define CLK_PCLK_SFR1 27
+#define CLK_PCLK_SMMU_LPASSX 28
+#define CLK_PCLK_GPIO_AUD 29
+#define CLK_PCLK_PMU_AUD 30
+#define CLK_PCLK_SYSREG_AUD 31
+#define CLK_PCLK_AUD_SLIMBUS 32
+#define CLK_PCLK_AUD_UART 33
+#define CLK_PCLK_AUD_PCM 34
+#define CLK_PCLK_AUD_I2S 35
+#define CLK_PCLK_TIMER 36
+#define CLK_PCLK_SFR0_CTRL 37
+#define CLK_ATCLK_AUD 38
+#define CLK_PCLK_DBG_AUD 39
+#define CLK_SCLK_AUD_CA5 40
+#define CLK_SCLK_JTAG_TCK 41
+#define CLK_SCLK_SLIMBUS_CLKIN 42
+#define CLK_SCLK_AUD_SLIMBUS 43
+#define CLK_SCLK_AUD_UART 44
+#define CLK_SCLK_AUD_PCM 45
+#define CLK_SCLK_I2S_BCLK 46
+#define CLK_SCLK_AUD_I2S 47
+
+#define AUD_NR_CLK 48
+
#endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */
--
1.8.5.5
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