From 0ac2a08f42ce5c06d5d1216eac59c046961acd4f Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Fri, 12 May 2023 03:13:32 +0300 Subject: interconnect: add clk-based icc provider support For some devices it is useful to export clocks as interconnect providers, if the clock corresponds to bus bandwidth. For example, on MSM8996 the cluster interconnect clock should be scaled according to the cluster frequencies. Exporting it as an interconnect allows one to properly describe this as the cluster bandwidth requirements. Tested-by: Yassine Oudjana Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20230512001334.2983048-3-dmitry.baryshkov@linaro.org Signed-off-by: Georgi Djakov --- include/linux/interconnect-clk.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 include/linux/interconnect-clk.h (limited to 'include/linux') diff --git a/include/linux/interconnect-clk.h b/include/linux/interconnect-clk.h new file mode 100644 index 000000000000..0cd80112bea5 --- /dev/null +++ b/include/linux/interconnect-clk.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2023, Linaro Ltd. + */ + +#ifndef __LINUX_INTERCONNECT_CLK_H +#define __LINUX_INTERCONNECT_CLK_H + +struct device; + +struct icc_clk_data { + struct clk *clk; + const char *name; +}; + +struct icc_provider *icc_clk_register(struct device *dev, + unsigned int first_id, + unsigned int num_clocks, + const struct icc_clk_data *data); +void icc_clk_unregister(struct icc_provider *provider); + +#endif -- cgit v1.2.3