diff options
| -rw-r--r-- | drivers/clk/qcom/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/clk/qcom/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/qcom/lpasscc-sc8280xp.c | 64 |
3 files changed, 74 insertions, 0 deletions
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 97f23f978343..579749068338 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -550,6 +550,15 @@ config SC_LPASSCC_7280 Say Y if you want to use the LPASS branch clocks of the LPASS clock controller to reset the LPASS subsystem. +config SC_LPASSCC_8280XP + tristate "SC8280 Low Power Audio Subsystem (LPASS) Clock Controller" + depends on ARM64 || COMPILE_TEST + select SC_GCC_8280XP + help + Support for the LPASS clock controller on SC8280XP devices. + Say Y if you want to use the LPASS branch clocks of the LPASS clock + controller to reset the LPASS subsystem. + config SC_LPASS_CORECC_7180 tristate "SC7180 LPASS Core Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 75d035150118..e6e294274c35 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -81,6 +81,7 @@ obj-$(CONFIG_SC_GPUCC_7180) += gpucc-sc7180.o obj-$(CONFIG_SC_GPUCC_7280) += gpucc-sc7280.o obj-$(CONFIG_SC_GPUCC_8280XP) += gpucc-sc8280xp.o obj-$(CONFIG_SC_LPASSCC_7280) += lpasscc-sc7280.o +obj-$(CONFIG_SC_LPASSCC_8280XP) += lpasscc-sc8280xp.o obj-$(CONFIG_SC_LPASS_CORECC_7180) += lpasscorecc-sc7180.o obj-$(CONFIG_SC_LPASS_CORECC_7280) += lpasscorecc-sc7280.o lpassaudiocc-sc7280.o obj-$(CONFIG_SC_MSS_7180) += mss-sc7180.o diff --git a/drivers/clk/qcom/lpasscc-sc8280xp.c b/drivers/clk/qcom/lpasscc-sc8280xp.c new file mode 100644 index 000000000000..4a0470fc6153 --- /dev/null +++ b/drivers/clk/qcom/lpasscc-sc8280xp.c @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022, Linaro Limited + */ + +#include <linux/clk-provider.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/regmap.h> + +#include <dt-bindings/clock/qcom,sc8280xp-lpasscc.h> + +#include "common.h" +#include "reset.h" + +static const struct qcom_reset_map lpasscc_sc8280xp_resets[] = { + [LPASS_AUDIO_SWR_TX_CGCR] = { 0xc010, 1 }, +}; + +static struct regmap_config lpasscc_sc8280xp_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .name = "lpass-tcsr", + .max_register = 0x12000, +}; + +static const struct qcom_cc_desc lpasscc_sc8280xp_reset_desc = { + .config = &lpasscc_sc8280xp_regmap_config, + .resets = lpasscc_sc8280xp_resets, + .num_resets = ARRAY_SIZE(lpasscc_sc8280xp_resets), +}; + +static const struct of_device_id lpasscc_sc8280xp_match_table[] = { + { + .compatible = "qcom,sc8280xp-lpasscc", + .data = &lpasscc_sc8280xp_reset_desc, + }, + { } +}; +MODULE_DEVICE_TABLE(of, lpasscc_sc8280xp_match_table); + +static int lpasscc_sc8280xp_probe(struct platform_device *pdev) +{ + const struct qcom_cc_desc *desc = of_device_get_match_data(&pdev->dev); + + return qcom_cc_probe_by_index(pdev, 0, desc); +} + +static struct platform_driver lpasscc_sc8280xp_driver = { + .probe = lpasscc_sc8280xp_probe, + .driver = { + .name = "lpasscc-sc8280xp", + .of_match_table = lpasscc_sc8280xp_match_table, + }, +}; + +module_platform_driver(lpasscc_sc8280xp_driver); + +MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>"); +MODULE_DESCRIPTION("QTI LPASSCC SC8280XP Driver"); +MODULE_LICENSE("GPL"); |