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Message-ID: <CAA8EJprJqDHvSxB0DKDg6EGNF6Tr3cf73Pm6dQ_O1fiNHjR0mw@mail.gmail.com>
Date: Sat, 1 Oct 2022 10:47:21 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Melody Olvera <quic_molvera@...cinc.com>
Cc: Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] pinctrl: qcom: Add QDU1000/QRU1000 pinctrl driver
On Sat, 1 Oct 2022 at 06:07, Melody Olvera <quic_molvera@...cinc.com> wrote:
>
> Add pin control driver for the TLMM block found in the QDU1000
> and QRU1000 SoC.
>
> Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
> ---
> .../pinctrl/qcom,qdru1000-pinctrl.yaml | 177 +-
> drivers/pinctrl/qcom/Kconfig | 10 +
> drivers/pinctrl/qcom/Makefile | 1 +
> drivers/pinctrl/qcom/pinctrl-qdru1000.c | 59 +
> drivers/pinctrl/qcom/pinctrl-qdru1000.h | 1896 +++++++++++++++++
> 5 files changed, 2050 insertions(+), 93 deletions(-)
> create mode 100644 drivers/pinctrl/qcom/pinctrl-qdru1000.c
> create mode 100644 drivers/pinctrl/qcom/pinctrl-qdru1000.h
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,qdru1000-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,qdru1000-pinctrl.yaml
> index e8d938303231..42176247862c 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,qdru1000-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,qdru1000-pinctrl.yaml
This should go to the bindings patch, shan't it ?
> @@ -10,7 +10,11 @@ maintainers:
[skipped]
> diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
> index f415c13caae0..c8a7d6e44a81 100644
> --- a/drivers/pinctrl/qcom/Kconfig
> +++ b/drivers/pinctrl/qcom/Kconfig
> @@ -390,6 +390,16 @@ config PINCTRL_SM8450
> Qualcomm Technologies Inc TLMM block found on the Qualcomm
> Technologies Inc SM8450 platform.
>
> +config PINCTRL_QDRU1000
> + tristate "Qualcomm Tehcnologies Inc QDU1000/QRU1000 pin controller driver"
> + depends on GPIOLIB && OF
> + depends on PINCTRL_MSM
> + help
> + This is the pinctrl, pinmux, pinconf, and gpiolib driver for the
> + Qualcomm Technologies Inc TLMM block found on the Qualcomm
> + Technologies Inc QDU1000 and QRU1000 platforms.
> +
> +
> config PINCTRL_LPASS_LPI
> tristate "Qualcomm Technologies Inc LPASS LPI pin controller driver"
> select PINMUX
> diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
> index fbd64853a24d..431a845b4e2d 100644
> --- a/drivers/pinctrl/qcom/Makefile
> +++ b/drivers/pinctrl/qcom/Makefile
> @@ -45,4 +45,5 @@ obj-$(CONFIG_PINCTRL_SM8250) += pinctrl-sm8250.o
> obj-$(CONFIG_PINCTRL_SM8250_LPASS_LPI) += pinctrl-sm8250-lpass-lpi.o
> obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o
> obj-$(CONFIG_PINCTRL_SM8450) += pinctrl-sm8450.o
> +obj-$(CONFIG_PINCTRL_QDRU1000) += pinctrl-qdru1000.o
Please move it before sc7180
> obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-lpass-lpi.o
> diff --git a/drivers/pinctrl/qcom/pinctrl-qdru1000.c b/drivers/pinctrl/qcom/pinctrl-qdru1000.c
> new file mode 100644
> index 000000000000..8b931ff80bb4
> --- /dev/null
> +++ b/drivers/pinctrl/qcom/pinctrl-qdru1000.c
> @@ -0,0 +1,59 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/platform_device.h>
> +#include <linux/pinctrl/pinctrl.h>
> +
> +#include "pinctrl-msm.h"
> +#include "pinctrl-qdru1000.h"
No need to split all defs to a header file. Please merge them here.
> +
> +static const struct msm_pinctrl_soc_data qdru1000_tlmm = {
> + .pins = qdru1000_pins,
> + .npins = ARRAY_SIZE(qdru1000_pins),
> + .functions = qdru1000_functions,
> + .nfunctions = ARRAY_SIZE(qdru1000_functions),
> + .groups = qdru1000_groups,
> + .ngroups = ARRAY_SIZE(qdru1000_groups),
> + .ngpios = 151,
> +};
> +
> +static int qdru1000_tlmm_probe(struct platform_device *pdev)
> +{
> + return msm_pinctrl_probe(pdev, &qdru1000_tlmm);
> +}
> +
> +static const struct of_device_id qdru1000_tlmm_of_match[] = {
> + { .compatible = "qcom,qdu1000-tlmm", },
> + { .compatible = "qcom,qru1000-tlmm", },
> + { },
> +};
> +
> +static struct platform_driver qdru1000_tlmm_driver = {
> + .driver = {
> + .name = "qdru1000-tlmm",
> + .of_match_table = qdru1000_tlmm_of_match,
> + },
> + .probe = qdru1000_tlmm_probe,
> + .remove = msm_pinctrl_remove,
> +};
> +
> +static int __init qdru1000_tlmm_init(void)
> +{
> + return platform_driver_register(&qdru1000_tlmm_driver);
> +}
> +arch_initcall(qdru1000_tlmm_init);
> +
> +static void __exit qdru1000_tlmm_exit(void)
> +{
> + platform_driver_unregister(&qdru1000_tlmm_driver);
> +}
> +module_exit(qdru1000_tlmm_exit);
> +
> +MODULE_DESCRIPTION("QTI QDRU1000 TLMM driver");
> +MODULE_LICENSE("GPL v2");
> +MODULE_DEVICE_TABLE(of, qdru1000_tlmm_of_match);
> diff --git a/drivers/pinctrl/qcom/pinctrl-qdru1000.h b/drivers/pinctrl/qcom/pinctrl-qdru1000.h
> new file mode 100644
> index 000000000000..3c1f703ae53b
> --- /dev/null
> +++ b/drivers/pinctrl/qcom/pinctrl-qdru1000.h
> @@ -0,0 +1,1896 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#define FUNCTION(fname) \
> + [msm_mux_##fname] = { \
> + .name = #fname, \
> + .groups = fname##_groups, \
> + .ngroups = ARRAY_SIZE(fname##_groups), \
> + }
> +
[skipped]
> +
> +static const unsigned int sdc1_rclk_pins[] = { 151 };
> +static const unsigned int sdc1_clk_pins[] = { 152 };
> +static const unsigned int sdc1_cmd_pins[] = { 153 };
> +static const unsigned int sdc1_data_pins[] = { 154 };
> +
> +enum qdru1000_functions {
> + msm_mux_gpio,
> + msm_mux_CMO_PRI,
> + msm_mux_SI5518_INT,
Ugh. Is there really a function for the Si5518 interrupt? And what is CMO_PRI?
> + msm_mux_atest_char_start,
> + msm_mux_atest_char_status0,
> + msm_mux_atest_char_status1,
> + msm_mux_atest_char_status2,
> + msm_mux_atest_char_status3,
> + msm_mux_atest_usb0_atereset,
> + msm_mux_atest_usb0_testdataout00,
> + msm_mux_atest_usb0_testdataout01,
> + msm_mux_atest_usb0_testdataout02,
> + msm_mux_atest_usb0_testdataout03,
> + msm_mux_char_exec_pending,
> + msm_mux_char_exec_release,
> + msm_mux_cmu_rng_entropy0,
> + msm_mux_cmu_rng_entropy1,
> + msm_mux_cmu_rng_entropy2,
> + msm_mux_cmu_rng_entropy3,
> + msm_mux_dbg_out_clk,
> + msm_mux_ddr_bist_complete,
> + msm_mux_ddr_bist_fail,
> + msm_mux_ddr_bist_start,
> + msm_mux_ddr_bist_stop,
> + msm_mux_ddr_pxi0_test,
> + msm_mux_ddr_pxi1_test,
> + msm_mux_ddr_pxi2_test,
> + msm_mux_ddr_pxi3_test,
> + msm_mux_ddr_pxi4_test,
> + msm_mux_ddr_pxi5_test,
> + msm_mux_ddr_pxi6_test,
> + msm_mux_ddr_pxi7_test,
> + msm_mux_eth012_int_n,
> + msm_mux_eth345_int_n,
> + msm_mux_eth6_int_n,
> + msm_mux_gcc_gp1_clk,
> + msm_mux_gcc_gp2_clk,
> + msm_mux_gcc_gp3_clk,
> + msm_mux_gps_pps_in,
> + msm_mux_hardsync_pps_in,
> + msm_mux_intr_c_raw0,
> + msm_mux_intr_c_raw1,
> + msm_mux_intr_c_raw2,
> + msm_mux_jitter_bist_ref,
> + msm_mux_pcie0,
> + msm_mux_pcie0_clkreqn,
> + msm_mux_pcie0_wake,
> + msm_mux_phase_flag_status0,
> + msm_mux_phase_flag_status1,
> + msm_mux_phase_flag_status10,
> + msm_mux_phase_flag_status11,
> + msm_mux_phase_flag_status12,
> + msm_mux_phase_flag_status13,
> + msm_mux_phase_flag_status14,
> + msm_mux_phase_flag_status15,
> + msm_mux_phase_flag_status16,
> + msm_mux_phase_flag_status17,
> + msm_mux_phase_flag_status18,
> + msm_mux_phase_flag_status19,
> + msm_mux_phase_flag_status2,
> + msm_mux_phase_flag_status20,
> + msm_mux_phase_flag_status21,
> + msm_mux_phase_flag_status22,
> + msm_mux_phase_flag_status23,
> + msm_mux_phase_flag_status24,
> + msm_mux_phase_flag_status25,
> + msm_mux_phase_flag_status26,
> + msm_mux_phase_flag_status27,
> + msm_mux_phase_flag_status28,
> + msm_mux_phase_flag_status29,
> + msm_mux_phase_flag_status3,
> + msm_mux_phase_flag_status30,
> + msm_mux_phase_flag_status31,
> + msm_mux_phase_flag_status4,
> + msm_mux_phase_flag_status5,
> + msm_mux_phase_flag_status6,
> + msm_mux_phase_flag_status7,
> + msm_mux_phase_flag_status8,
> + msm_mux_phase_flag_status9,
> + msm_mux_pll_bist_sync,
> + msm_mux_pll_clk_aux,
> + msm_mux_prng_rosc_test0,
> + msm_mux_prng_rosc_test1,
> + msm_mux_prng_rosc_test2,
> + msm_mux_prng_rosc_test3,
> + msm_mux_qdss_cti_trig0,
> + msm_mux_qdss_cti_trig1,
> + msm_mux_qdss_cti_trig2,
> + msm_mux_qdss_cti_trig3,
> + msm_mux_qdss_cti_trig4,
> + msm_mux_qdss_gpio_traceclk,
> + msm_mux_qdss_gpio_tracectl,
> + msm_mux_qdss_gpio_tracedata0,
> + msm_mux_qdss_gpio_tracedata1,
> + msm_mux_qdss_gpio_tracedata10,
> + msm_mux_qdss_gpio_tracedata11,
> + msm_mux_qdss_gpio_tracedata12,
> + msm_mux_qdss_gpio_tracedata13,
> + msm_mux_qdss_gpio_tracedata14,
> + msm_mux_qdss_gpio_tracedata15,
> + msm_mux_qdss_gpio_tracedata2,
> + msm_mux_qdss_gpio_tracedata3,
> + msm_mux_qdss_gpio_tracedata4,
> + msm_mux_qdss_gpio_tracedata5,
> + msm_mux_qdss_gpio_tracedata6,
> + msm_mux_qdss_gpio_tracedata7,
> + msm_mux_qdss_gpio_tracedata8,
> + msm_mux_qdss_gpio_tracedata9,
> + msm_mux_qlink0_enable,
> + msm_mux_qlink0_request,
> + msm_mux_qlink0_wmss_reset,
> + msm_mux_qlink1_enable,
> + msm_mux_qlink1_request,
> + msm_mux_qlink1_wmss_reset,
> + msm_mux_qlink2_enable,
> + msm_mux_qlink2_request,
> + msm_mux_qlink2_wmss_reset,
> + msm_mux_qlink3_enable,
> + msm_mux_qlink3_request,
> + msm_mux_qlink3_wmss_reset,
> + msm_mux_qlink4_enable,
> + msm_mux_qlink4_request,
> + msm_mux_qlink4_wmss_reset,
> + msm_mux_qlink5_enable,
> + msm_mux_qlink5_request,
> + msm_mux_qlink5_wmss_reset,
> + msm_mux_qlink6_enable,
> + msm_mux_qlink6_request,
> + msm_mux_qlink6_wmss_reset,
> + msm_mux_qlink7_enable,
> + msm_mux_qlink7_request,
> + msm_mux_qlink7_wmss_reset,
> + msm_mux_qspi_clk,
> + msm_mux_qspi_cs_n,
> + msm_mux_qspi_data_0,
> + msm_mux_qspi_data_1,
> + msm_mux_qspi_data_2,
> + msm_mux_qspi_data_3,
> + msm_mux_qup0_se0_l0,
> + msm_mux_qup0_se0_l1,
> + msm_mux_qup0_se0_l2,
> + msm_mux_qup0_se0_l3,
> + msm_mux_qup0_se1_l0,
> + msm_mux_qup0_se1_l1,
> + msm_mux_qup0_se1_l2,
> + msm_mux_qup0_se1_l3,
> + msm_mux_qup0_se2_l0,
> + msm_mux_qup0_se2_l1,
> + msm_mux_qup0_se2_l2,
> + msm_mux_qup0_se2_l3,
> + msm_mux_qup0_se3_l0,
> + msm_mux_qup0_se3_l1,
> + msm_mux_qup0_se3_l2,
> + msm_mux_qup0_se3_l3,
> + msm_mux_qup0_se4_l0,
> + msm_mux_qup0_se4_l1,
> + msm_mux_qup0_se4_l2,
> + msm_mux_qup0_se4_l3,
> + msm_mux_qup0_se5_l0,
> + msm_mux_qup0_se5_l1,
> + msm_mux_qup0_se5_l2,
> + msm_mux_qup0_se5_l3,
> + msm_mux_qup0_se6_l0,
> + msm_mux_qup0_se6_l1,
> + msm_mux_qup0_se6_l2,
> + msm_mux_qup0_se6_l3,
> + msm_mux_qup0_se7_l0,
> + msm_mux_qup0_se7_l1,
> + msm_mux_qup0_se7_l2,
> + msm_mux_qup0_se7_l3,
> + msm_mux_qup1_se0_l0,
> + msm_mux_qup1_se0_l1,
> + msm_mux_qup1_se0_l2,
> + msm_mux_qup1_se0_l3,
> + msm_mux_qup1_se1_l0,
> + msm_mux_qup1_se1_l1,
> + msm_mux_qup1_se1_l2,
> + msm_mux_qup1_se1_l3,
> + msm_mux_qup1_se2_l0,
> + msm_mux_qup1_se2_l1,
> + msm_mux_qup1_se2_l2,
> + msm_mux_qup1_se2_l3,
> + msm_mux_qup1_se3_l0,
> + msm_mux_qup1_se3_l1,
> + msm_mux_qup1_se3_l2,
> + msm_mux_qup1_se3_l3,
> + msm_mux_qup1_se4_l0,
> + msm_mux_qup1_se4_l1,
> + msm_mux_qup1_se4_l2,
> + msm_mux_qup1_se4_l3,
> + msm_mux_qup1_se5_l0,
> + msm_mux_qup1_se5_l1,
> + msm_mux_qup1_se5_l2,
> + msm_mux_qup1_se5_l3,
> + msm_mux_qup1_se6_l0,
> + msm_mux_qup1_se6_l1,
> + msm_mux_qup1_se6_l2,
> + msm_mux_qup1_se6_l3,
> + msm_mux_qup1_se6_l4,
> + msm_mux_qup1_se6_l5,
> + msm_mux_qup1_se6_l6,
> + msm_mux_qup1_se7_l0,
> + msm_mux_qup1_se7_l1,
> + msm_mux_qup1_se7_l2,
> + msm_mux_qup1_se7_l3,
> + msm_mux_qup1_se7_l4,
> + msm_mux_qup1_se7_l5,
> + msm_mux_qup1_se7_l6,
> + msm_mux_qup2_se0_l0,
> + msm_mux_qup2_se0_l1,
> + msm_mux_qup2_se0_l2,
> + msm_mux_qup2_se0_l3,
> + msm_mux_qup2_se1_l0,
> + msm_mux_qup2_se1_l1,
> + msm_mux_qup2_se1_l2,
> + msm_mux_qup2_se1_l3,
> + msm_mux_qup2_se2_l0,
> + msm_mux_qup2_se2_l1,
> + msm_mux_qup2_se2_l2,
> + msm_mux_qup2_se2_l3,
We usually use the 'qupN' naming here.
Overall comment to the function definitions. You seem to be splitting
them too much. Please consider how other pinctrl drivers handle the
functions. There is no need to define a function per each pin. Group
them logically for all the pins belonging to a specific logical
function/device.
> + msm_mux_smb_alert,
> + msm_mux_smb_alert_n,
> + msm_mux_smb_clk,
> + msm_mux_smb_dat,
> + msm_mux_tb_trig_sdc1,
> + msm_mux_tgu_ch0_trigout,
> + msm_mux_tgu_ch1_trigout,
> + msm_mux_tgu_ch2_trigout,
> + msm_mux_tgu_ch3_trigout,
> + msm_mux_tgu_ch4_trigout,
> + msm_mux_tgu_ch5_trigout,
> + msm_mux_tgu_ch6_trigout,
> + msm_mux_tgu_ch7_trigout,
> + msm_mux_tmess_prng_rosc0,
> + msm_mux_tmess_prng_rosc1,
> + msm_mux_tmess_prng_rosc2,
> + msm_mux_tmess_prng_rosc3,
> + msm_mux_tod_pps_in,
> + msm_mux_tsense_pwm1_out,
> + msm_mux_tsense_pwm2_out,
> + msm_mux_usb2phy_ac_en,
> + msm_mux_usb_con_det,
> + msm_mux_usb_dfp_en,
> + msm_mux_usb_phy_ps,
> + msm_mux_vfr_0,
> + msm_mux_vfr_1,
> + msm_mux_vsense_trigger_mirnat,
> + msm_mux__,
> +};
[skipped]
--
With best wishes
Dmitry
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