[PATCH v9 17/17] ASoC: qdsp6: audioreach: add support for q6prm-clocks

[Srinivas Kandagatla]

Add q6prm clocks using existing qdsp6-audio-clock driver

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 sound/soc/qcom/Kconfig              |  4 ++
 sound/soc/qcom/qdsp6/Makefile       |  1 +
 sound/soc/qcom/qdsp6/q6prm-clocks.c | 85 +++++++++++++++++++++++++++++
 3 files changed, 90 insertions(+)
 create mode 100644 sound/soc/qcom/qdsp6/q6prm-clocks.c

diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index 465a2a603401..5b74c5bcc47f 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -96,8 +96,12 @@ config SND_SOC_QDSP6_APM
 	select SND_SOC_QDSP6_APM_DAI
 	select SND_SOC_QDSP6_APM_LPASS_DAI
 
+config SND_SOC_QDSP6_PRM_LPASS_CLOCKS
+	tristate
+
 config SND_SOC_QDSP6_PRM
 	tristate
+	select SND_SOC_QDSP6_PRM_LPASS_CLOCKS
 
 config SND_SOC_QDSP6
 	tristate "SoC ALSA audio driver for QDSP6"
diff --git a/sound/soc/qcom/qdsp6/Makefile b/sound/soc/qcom/qdsp6/Makefile
index c932f8e24b32..3963bf234664 100644
--- a/sound/soc/qcom/qdsp6/Makefile
+++ b/sound/soc/qcom/qdsp6/Makefile
@@ -16,3 +16,4 @@ obj-$(CONFIG_SND_SOC_QDSP6_APM) += snd-q6apm.o
 obj-$(CONFIG_SND_SOC_QDSP6_APM_DAI) += q6apm-dai.o
 obj-$(CONFIG_SND_SOC_QDSP6_APM_LPASS_DAI) += q6apm-lpass-dais.o
 obj-$(CONFIG_SND_SOC_QDSP6_PRM) += q6prm.o
+obj-$(CONFIG_SND_SOC_QDSP6_PRM_LPASS_CLOCKS) += q6prm-clocks.o
diff --git a/sound/soc/qcom/qdsp6/q6prm-clocks.c b/sound/soc/qcom/qdsp6/q6prm-clocks.c
new file mode 100644
index 000000000000..a26cda5140c1
--- /dev/null
+++ b/sound/soc/qcom/qdsp6/q6prm-clocks.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2021, Linaro Limited
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
+#include "q6dsp-lpass-clocks.h"
+#include "q6prm.h"
+
+#define Q6PRM_CLK(id) {					\
+		.clk_id	= id,				\
+		.q6dsp_clk_id	= Q6PRM_##id,		\
+		.name = #id,				\
+		.rate = 19200000,			\
+	}
+
+static const struct q6dsp_clk_init q6prm_clks[] = {
+	Q6PRM_CLK(LPASS_CLK_ID_PRI_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_PRI_MI2S_EBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_SEC_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_SEC_MI2S_EBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_TER_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_TER_MI2S_EBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_QUAD_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_QUAD_MI2S_EBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_SPEAKER_I2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_SPEAKER_I2S_EBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_SPEAKER_I2S_OSR),
+	Q6PRM_CLK(LPASS_CLK_ID_QUI_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_QUI_MI2S_EBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_SEN_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_SEN_MI2S_EBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_INT0_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_INT1_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_INT2_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_INT3_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_INT4_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_INT5_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_INT6_MI2S_IBIT),
+	Q6PRM_CLK(LPASS_CLK_ID_QUI_MI2S_OSR),
+	Q6PRM_CLK(LPASS_CLK_ID_WSA_CORE_MCLK),
+	Q6PRM_CLK(LPASS_CLK_ID_WSA_CORE_NPL_MCLK),
+	Q6PRM_CLK(LPASS_CLK_ID_VA_CORE_MCLK),
+	Q6PRM_CLK(LPASS_CLK_ID_TX_CORE_MCLK),
+	Q6PRM_CLK(LPASS_CLK_ID_TX_CORE_NPL_MCLK),
+	Q6PRM_CLK(LPASS_CLK_ID_RX_CORE_MCLK),
+	Q6PRM_CLK(LPASS_CLK_ID_RX_CORE_NPL_MCLK),
+	Q6PRM_CLK(LPASS_CLK_ID_VA_CORE_2X_MCLK),
+	Q6DSP_VOTE_CLK(LPASS_HW_MACRO_VOTE, Q6PRM_HW_CORE_ID_LPASS,
+		       "LPASS_HW_MACRO"),
+	Q6DSP_VOTE_CLK(LPASS_HW_DCODEC_VOTE, Q6PRM_HW_CORE_ID_DCODEC,
+		       "LPASS_HW_DCODEC"),
+};
+
+static const struct q6dsp_clk_desc q6dsp_clk_q6prm __maybe_unused = {
+	.clks = q6prm_clks,
+	.num_clks = ARRAY_SIZE(q6prm_clks),
+	.lpass_set_clk = q6prm_set_lpass_clock,
+	.lpass_vote_clk = q6prm_vote_lpass_core_hw,
+	.lpass_unvote_clk = q6prm_unvote_lpass_core_hw,
+};
+
+#ifdef CONFIG_OF
+static const struct of_device_id q6prm_clock_device_id[] = {
+	{ .compatible = "qcom,q6prm-lpass-clocks", .data = &q6dsp_clk_q6prm },
+	{},
+};
+MODULE_DEVICE_TABLE(of, q6prm_clock_device_id);
+#endif
+
+static struct platform_driver q6prm_clock_platform_driver = {
+	.driver = {
+		.name = "q6prm-lpass-clock",
+		.of_match_table = of_match_ptr(q6prm_clock_device_id),
+	},
+	.probe = q6dsp_clock_dev_probe,
+};
+module_platform_driver(q6prm_clock_platform_driver);
+
+MODULE_DESCRIPTION("Q6 Proxy Resource Manager LPASS clock driver");
+MODULE_LICENSE("GPL");
-- 
2.21.0