Add AUDSYS device tree bindings documentation for MediaTek MT8516 SoC.
Signed-off-by: Fabien Parent <[email protected]>
---
.../bindings/arm/mediatek/mediatek,audsys.txt | 1 +
include/dt-bindings/clock/mt8516-clk.h | 17 +++++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,audsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,audsys.txt
index d1606b2c3e63..a4d07108bd4c 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,audsys.txt
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,audsys.txt
@@ -9,6 +9,7 @@ Required Properties:
- "mediatek,mt2701-audsys", "syscon"
- "mediatek,mt7622-audsys", "syscon"
- "mediatek,mt7623-audsys", "mediatek,mt2701-audsys", "syscon"
+ - "mediatek,mt8516-audsys", "syscon"
- #clock-cells: Must be 1
The AUDSYS controller uses the common clk binding from
diff --git a/include/dt-bindings/clock/mt8516-clk.h b/include/dt-bindings/clock/mt8516-clk.h
index 9cfca53cd78d..816447b98edd 100644
--- a/include/dt-bindings/clock/mt8516-clk.h
+++ b/include/dt-bindings/clock/mt8516-clk.h
@@ -208,4 +208,21 @@
#define CLK_TOP_MSDC2_INFRA 176
#define CLK_TOP_NR_CLK 177
+/* AUDSYS */
+
+#define CLK_AUD_AFE 0
+#define CLK_AUD_I2S 1
+#define CLK_AUD_22M 2
+#define CLK_AUD_24M 3
+#define CLK_AUD_INTDIR 4
+#define CLK_AUD_APLL2_TUNER 5
+#define CLK_AUD_APLL_TUNER 6
+#define CLK_AUD_HDMI 7
+#define CLK_AUD_SPDF 8
+#define CLK_AUD_ADC 9
+#define CLK_AUD_DAC 10
+#define CLK_AUD_DAC_PREDIS 11
+#define CLK_AUD_TML 12
+#define CLK_AUD_NR_CLK 13
+
#endif /* _DT_BINDINGS_CLK_MT8516_H */
--
2.20.1
Add audsys clock driver for MediaTek MT8516 SoC.
Signed-off-by: Fabien Parent <[email protected]>
---
drivers/clk/mediatek/Kconfig | 6 +++
drivers/clk/mediatek/Makefile | 1 +
drivers/clk/mediatek/clk-mt8516-aud.c | 65 +++++++++++++++++++++++++++
3 files changed, 72 insertions(+)
create mode 100644 drivers/clk/mediatek/clk-mt8516-aud.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 1e951ae49982..f9cd45e7760a 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -225,4 +225,10 @@ config COMMON_CLK_MT8516
help
This driver supports MediaTek MT8516 clocks.
+config COMMON_CLK_MT8516_AUDSYS
+ bool "Clock driver for MediaTek MT8516 audsys"
+ depends on COMMON_CLK_MT8516
+ help
+ This driver supports MediaTek MT8516 audsys clocks.
+
endmenu
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index c4f413ef5aad..a2557b0c9273 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -32,3 +32,4 @@ obj-$(CONFIG_COMMON_CLK_MT7629_HIFSYS) += clk-mt7629-hif.o
obj-$(CONFIG_COMMON_CLK_MT8135) += clk-mt8135.o
obj-$(CONFIG_COMMON_CLK_MT8173) += clk-mt8173.o
obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o
+obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o
diff --git a/drivers/clk/mediatek/clk-mt8516-aud.c b/drivers/clk/mediatek/clk-mt8516-aud.c
new file mode 100644
index 000000000000..6ab3a06dc9d5
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8516-aud.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: James Liao <[email protected]>
+ * Fabien Parent <[email protected]>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt8516-clk.h>
+
+static const struct mtk_gate_regs aud_cg_regs = {
+ .set_ofs = 0x0,
+ .clr_ofs = 0x0,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_AUD(_id, _name, _parent, _shift) { \
+ .id = _id, \
+ .name = _name, \
+ .parent_name = _parent, \
+ .regs = &aud_cg_regs, \
+ .shift = _shift, \
+ .ops = &mtk_clk_gate_ops_no_setclr, \
+ }
+
+static const struct mtk_gate aud_clks[] __initconst = {
+ GATE_AUD(CLK_AUD_AFE, "aud_afe", "clk26m_ck", 2),
+ GATE_AUD(CLK_AUD_I2S, "aud_i2s", "i2s_infra_bck", 6),
+ GATE_AUD(CLK_AUD_22M, "aud_22m", "rg_aud_engen1", 8),
+ GATE_AUD(CLK_AUD_24M, "aud_24m", "rg_aud_engen2", 9),
+ GATE_AUD(CLK_AUD_INTDIR, "aud_intdir", "rg_aud_spdif_in", 15),
+ GATE_AUD(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", "rg_aud_engen2", 18),
+ GATE_AUD(CLK_AUD_APLL_TUNER, "aud_apll_tuner", "rg_aud_engen1", 19),
+ GATE_AUD(CLK_AUD_HDMI, "aud_hdmi", "apll12_div4", 20),
+ GATE_AUD(CLK_AUD_SPDF, "aud_spdf", "apll12_div6", 21),
+ GATE_AUD(CLK_AUD_ADC, "aud_adc", "aud_afe", 24),
+ GATE_AUD(CLK_AUD_DAC, "aud_dac", "aud_afe", 25),
+ GATE_AUD(CLK_AUD_DAC_PREDIS, "aud_dac_predis", "aud_afe", 26),
+ GATE_AUD(CLK_AUD_TML, "aud_tml", "aud_afe", 27),
+};
+
+static void __init mtk_audsys_init(struct device_node *node)
+{
+ struct clk_onecell_data *clk_data;
+ int r;
+
+ clk_data = mtk_alloc_clk_data(CLK_AUD_NR_CLK);
+
+ mtk_clk_register_gates(node, aud_clks, ARRAY_SIZE(aud_clks), clk_data);
+
+ r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+ if (r)
+ pr_err("%s(): could not register clock provider: %d\n",
+ __func__, r);
+
+}
+CLK_OF_DECLARE(mtk_audsys, "mediatek,mt8516-audsys", mtk_audsys_init);
--
2.20.1
On Thu, 2 May 2019 14:18:42 +0200, Fabien Parent wrote:
> Add AUDSYS device tree bindings documentation for MediaTek MT8516 SoC.
>
> Signed-off-by: Fabien Parent <[email protected]>
> ---
> .../bindings/arm/mediatek/mediatek,audsys.txt | 1 +
> include/dt-bindings/clock/mt8516-clk.h | 17 +++++++++++++++++
> 2 files changed, 18 insertions(+)
>
Reviewed-by: Rob Herring <[email protected]>
Quoting Fabien Parent (2019-05-02 05:18:42)
> Add AUDSYS device tree bindings documentation for MediaTek MT8516 SoC.
>
> Signed-off-by: Fabien Parent <[email protected]>
> ---
Applied to clk-next
Quoting Fabien Parent (2019-05-02 05:18:43)
> Add audsys clock driver for MediaTek MT8516 SoC.
>
> Signed-off-by: Fabien Parent <[email protected]>
> ---
Applied to clk-next