On Wed, 17 Apr 2024 at 13:57, Varadarajan Narayanan
<quic_varada@xxxxxxxxxxx> wrote:
>
> Use the icc-clk framework to enable few clocks to be able to
> create paths and use the peripherals connected on those NoCs.
>
> Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> ---
> v8: Bind clock and interconnect using master and slave ids
> Use indices instead of clock pointers
> v7: Auto select INTERCONNECT & INTERCONNECT_CLK in COMMON_CLK_QCOM
> to address build break with random config build test, with the
> following combination
>
> CONFIG_COMMON_CLK_QCOM=y
> and
> CONFIG_INTERCONNECT_CLK=m
>
> the following error is seen as devm_icc_clk_register is in a
> module and being referenced from vmlinux.
>
> powerpc64-linux-ld: drivers/clk/qcom/common.o: in function `qcom_cc_really_probe':
> >> common.c:(.text+0x980): undefined reference to `devm_icc_clk_register'
>
> v6: Move enum to dt-bindings and share between here and DT
> first_id -> icc_first_node_id
> v5: Split from common.c changes into separate patch
> No functional changes
> ---
> drivers/clk/qcom/Kconfig | 2 ++
> drivers/clk/qcom/gcc-ipq9574.c | 31 +++++++++++++++++++++++++++++++
> 2 files changed, 33 insertions(+)
>
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index 8ab08e7b5b6c..b65a373f2e6b 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -17,6 +17,8 @@ menuconfig COMMON_CLK_QCOM
> select RATIONAL
> select REGMAP_MMIO
> select RESET_CONTROLLER
> + select INTERCONNECT
> + select INTERCONNECT_CLK
>
> if COMMON_CLK_QCOM
>
> diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c
> index 0a3f846695b8..7983e9ba0f35 100644
> --- a/drivers/clk/qcom/gcc-ipq9574.c
> +++ b/drivers/clk/qcom/gcc-ipq9574.c
> @@ -4,6 +4,7 @@
> */
>
> #include <linux/clk-provider.h>
> +#include <linux/interconnect-clk.h>
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/of.h>
> @@ -12,6 +13,7 @@
>
> #include <dt-bindings/clock/qcom,ipq9574-gcc.h>
> #include <dt-bindings/reset/qcom,ipq9574-gcc.h>
> +#include <dt-bindings/interconnect/qcom,ipq9574.h>
>
> #include "clk-alpha-pll.h"
> #include "clk-branch.h"
> @@ -4301,6 +4303,32 @@ static const struct qcom_reset_map gcc_ipq9574_resets[] = {
> [GCC_WCSS_Q6_TBU_BCR] = { 0x12054, 0 },
> };
>
> +#define IPQ_APPS_ID 9574 /* some unique value */
> +
> +static struct qcom_icc_hws_data icc_ipq9574_hws[] = {
> + HWS_DATA(ANOC_PCIE0, GCC_ANOC_PCIE0_1LANE_M_CLK),
Have you seen other parts of the qcom framework using macros to wrap
around structure initialisation? I don't think so. Please follow the
suit and inline the macro here.
> + HWS_DATA(SNOC_PCIE0, GCC_SNOC_PCIE0_1LANE_S_CLK),
> + HWS_DATA(ANOC_PCIE1, GCC_ANOC_PCIE1_1LANE_M_CLK),
> + HWS_DATA(SNOC_PCIE1, GCC_SNOC_PCIE1_1LANE_S_CLK),
> + HWS_DATA(ANOC_PCIE2, GCC_ANOC_PCIE2_2LANE_M_CLK),
> + HWS_DATA(SNOC_PCIE2, GCC_SNOC_PCIE2_2LANE_S_CLK),
> + HWS_DATA(ANOC_PCIE3, GCC_ANOC_PCIE3_2LANE_M_CLK),
> + HWS_DATA(SNOC_PCIE3, GCC_SNOC_PCIE3_2LANE_S_CLK),
> + HWS_DATA(USB, GCC_SNOC_USB_CLK),
> + HWS_DATA(USB_AXI, GCC_ANOC_USB_AXI_CLK),
> + HWS_DATA(NSSNOC_NSSCC, GCC_NSSNOC_NSSCC_CLK),
> + HWS_DATA(NSSNOC_SNOC_0, GCC_NSSNOC_SNOC_CLK),
> + HWS_DATA(NSSNOC_SNOC_1, GCC_NSSNOC_SNOC_1_CLK),
> + HWS_DATA(NSSNOC_PCNOC_1, GCC_NSSNOC_PCNOC_1_CLK),
> + HWS_DATA(NSSNOC_QOSGEN_REF, GCC_NSSNOC_QOSGEN_REF_CLK),
> + HWS_DATA(NSSNOC_TIMEOUT_REF, GCC_NSSNOC_TIMEOUT_REF_CLK),
> + HWS_DATA(NSSNOC_XO_DCD, GCC_NSSNOC_XO_DCD_CLK),
> + HWS_DATA(NSSNOC_ATB, GCC_NSSNOC_ATB_CLK),
> + HWS_DATA(MEM_NOC_NSSNOC, GCC_MEM_NOC_NSSNOC_CLK),
> + HWS_DATA(NSSNOC_MEMNOC, GCC_NSSNOC_MEMNOC_CLK),
> + HWS_DATA(NSSNOC_MEM_NOC_1, GCC_NSSNOC_MEM_NOC_1_CLK),
> +};
> +
> static const struct of_device_id gcc_ipq9574_match_table[] = {
> { .compatible = "qcom,ipq9574-gcc" },
> { }
> @@ -4323,6 +4351,9 @@ static const struct qcom_cc_desc gcc_ipq9574_desc = {
> .num_resets = ARRAY_SIZE(gcc_ipq9574_resets),
> .clk_hws = gcc_ipq9574_hws,
> .num_clk_hws = ARRAY_SIZE(gcc_ipq9574_hws),
> + .icc_hws = icc_ipq9574_hws,
> + .num_icc_hws = ARRAY_SIZE(icc_ipq9574_hws),
> + .icc_first_node_id = IPQ_APPS_ID,
> };
>
> static int gcc_ipq9574_probe(struct platform_device *pdev)
> --
> 2.34.1
>
--
With best wishes
Dmitry
