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Message-ID: <3906a857-3672-fea2-2ccb-d7f07a7ca836@quicinc.com>
Date: Tue, 4 Oct 2022 14:59:59 -0500
From: Melody Olvera <quic_molvera@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
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 10/1/2022 2:47 AM, Dmitry Baryshkov wrote:
> 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 ?
Yup; my mistake. Next PS will have this separate.
>
>> @@ -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-$(CONFIG_PINCTRL_QDRU1000) += pinctrl-qdru1000.o
> Please move it before sc7180
Will do.
>
>> obj-$(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.
Will do.
>
>> +
>> +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?
Yeah we need the Si5518 for userspace processes. Admittedly I'm not sure what uses CMO_PRI; can probably remove it.
>> + 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.
Will do.
>
>> + 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]
>
Thanks,
Melody
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