Re: [PATCH v3 2/2] pinctrl: qcom: Add SM6350 pinctrl driver

[Luca Weiss <luca@z3ntu.xyz>]

Hi Konrad,

based on other reviews on the mailing list/IRC I have some comments here

On Samstag, 28. August 2021 19:23:14 CEST Konrad Dybcio wrote:
> This adds pincontrol driver for tlmm block found in SM6350 SoC
> 
> This patch is based on downstream copyleft code.
> 
> Reviewed-by: AngeloGioacchino Del Regno
> <angelogioacchino.delregno@somainline.org> Signed-off-by: Konrad Dybcio
> <konrad.dybcio@somainline.org>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> Changes since v2:
> - Trim the forgotten-about comments
> - Add Bjorn's r-b
> 
>  drivers/pinctrl/qcom/Kconfig          |    9 +
>  drivers/pinctrl/qcom/Makefile         |    1 +
>  drivers/pinctrl/qcom/pinctrl-sm6350.c | 1593 +++++++++++++++++++++++++
>  3 files changed, 1603 insertions(+)
>  create mode 100644 drivers/pinctrl/qcom/pinctrl-sm6350.c
> 
[SNIP]
>
> +DECLARE_MSM_GPIO_PINS(128);
> +DECLARE_MSM_GPIO_PINS(129);
> +DECLARE_MSM_GPIO_PINS(130);
> +DECLARE_MSM_GPIO_PINS(131);
> +DECLARE_MSM_GPIO_PINS(132);
> +DECLARE_MSM_GPIO_PINS(133);
> +DECLARE_MSM_GPIO_PINS(134);
> +DECLARE_MSM_GPIO_PINS(135);
> +DECLARE_MSM_GPIO_PINS(136);
> +DECLARE_MSM_GPIO_PINS(137);
> +DECLARE_MSM_GPIO_PINS(138);
> +DECLARE_MSM_GPIO_PINS(139);
> +DECLARE_MSM_GPIO_PINS(140);
> +DECLARE_MSM_GPIO_PINS(141);
> +DECLARE_MSM_GPIO_PINS(142);
> +DECLARE_MSM_GPIO_PINS(143);
> +DECLARE_MSM_GPIO_PINS(144);
> +DECLARE_MSM_GPIO_PINS(145);
> +DECLARE_MSM_GPIO_PINS(146);
> +DECLARE_MSM_GPIO_PINS(147);
> +DECLARE_MSM_GPIO_PINS(148);
> +DECLARE_MSM_GPIO_PINS(149);
> +DECLARE_MSM_GPIO_PINS(150);
> +DECLARE_MSM_GPIO_PINS(151);
> +DECLARE_MSM_GPIO_PINS(152);
> +DECLARE_MSM_GPIO_PINS(153);
> +DECLARE_MSM_GPIO_PINS(154);
> +DECLARE_MSM_GPIO_PINS(155);
> +
> +static const unsigned int sdc1_rclk_pins[] = { 156 };
> +static const unsigned int sdc1_clk_pins[] = { 157 };
> +static const unsigned int sdc1_cmd_pins[] = { 158 };
> +static const unsigned int sdc1_data_pins[] = { 159 };
> +static const unsigned int sdc2_clk_pins[] = { 160 };
> +static const unsigned int sdc2_cmd_pins[] = { 161 };
> +static const unsigned int sdc2_data_pins[] = { 162 };
> +static const unsigned int ufs_reset_pins[] = { 163 };

All these numbers don't match anymore after moving ufs_reset to 156

(ref: https://lore.kernel.org/lkml/YNTYvKYDWFxUcb+Y@yoga/ )

> +
> +enum sm6350_functions {
> +	msm_mux_adsp_ext,
> +	msm_mux_agera_pll,
> +	msm_mux_atest_char,
> +	msm_mux_atest_char0,
> +	msm_mux_atest_char1,
> +	msm_mux_atest_char2,
> +	msm_mux_atest_char3,
> +	msm_mux_atest_tsens,
> +	msm_mux_atest_tsens2,
> +	msm_mux_atest_usb1,
> +	msm_mux_atest_usb10,
> +	msm_mux_atest_usb11,
> +	msm_mux_atest_usb12,
> +	msm_mux_atest_usb13,
> +	msm_mux_atest_usb2,
> +	msm_mux_atest_usb20,
> +	msm_mux_atest_usb21,
> +	msm_mux_atest_usb22,
> +	msm_mux_atest_usb23,

Bjorn mentioned to merge all the atest_usb* functions into a single one.

> +	msm_mux_audio_ref,
> +	msm_mux_btfm_slimbus,
> +	msm_mux_cam_mclk0,
> +	msm_mux_cam_mclk1,
> +	msm_mux_cam_mclk2,
> +	msm_mux_cam_mclk3,
> +	msm_mux_cam_mclk4,
> +	msm_mux_cci_async,
> +	msm_mux_cci_i2c,
> +	msm_mux_cci_timer0,
> +	msm_mux_cci_timer1,
> +	msm_mux_cci_timer2,
> +	msm_mux_cci_timer3,
> +	msm_mux_cci_timer4,
> +	msm_mux_cri_trng,
> +	msm_mux_dbg_out,
> +	msm_mux_ddr_bist,
> +	msm_mux_ddr_pxi0,
> +	msm_mux_ddr_pxi1,
> +	msm_mux_ddr_pxi2,
> +	msm_mux_ddr_pxi3,
> +	msm_mux_dp_hot,
> +	msm_mux_edp_lcd,
> +	msm_mux_gcc_gp1,
> +	msm_mux_gcc_gp2,
> +	msm_mux_gcc_gp3,
> +	msm_mux_gp_pdm0,
> +	msm_mux_gp_pdm1,
> +	msm_mux_gp_pdm2,
> +	msm_mux_gpio,
> +	msm_mux_gps_tx,
> +	msm_mux_ibi_i3c,
> +	msm_mux_jitter_bist,
> +	msm_mux_ldo_en,
> +	msm_mux_ldo_update,
> +	msm_mux_lpass_ext,
> +	msm_mux_m_voc,
> +	msm_mux_mclk,
> +	msm_mux_mdp_vsync,
> +	msm_mux_mdp_vsync0,
> +	msm_mux_mdp_vsync1,
> +	msm_mux_mdp_vsync2,
> +	msm_mux_mdp_vsync3,
> +	msm_mux_mi2s_0,
> +	msm_mux_mi2s_1,
> +	msm_mux_mi2s_2,
> +	msm_mux_mss_lte,
> +	msm_mux_nav_gpio,
> +	msm_mux_nav_pps,
> +	msm_mux_pa_indicator,
> +	msm_mux_pcie0_clk,
> +	msm_mux_phase_flag0,
> +	msm_mux_phase_flag1,
> +	msm_mux_phase_flag10,
> +	msm_mux_phase_flag11,
> +	msm_mux_phase_flag12,
> +	msm_mux_phase_flag13,
> +	msm_mux_phase_flag14,
> +	msm_mux_phase_flag15,
> +	msm_mux_phase_flag16,
> +	msm_mux_phase_flag17,
> +	msm_mux_phase_flag18,
> +	msm_mux_phase_flag19,
> +	msm_mux_phase_flag2,
> +	msm_mux_phase_flag20,
> +	msm_mux_phase_flag21,
> +	msm_mux_phase_flag22,
> +	msm_mux_phase_flag23,
> +	msm_mux_phase_flag24,
> +	msm_mux_phase_flag25,
> +	msm_mux_phase_flag26,
> +	msm_mux_phase_flag27,
> +	msm_mux_phase_flag28,
> +	msm_mux_phase_flag29,
> +	msm_mux_phase_flag3,
> +	msm_mux_phase_flag30,
> +	msm_mux_phase_flag31,
> +	msm_mux_phase_flag4,
> +	msm_mux_phase_flag5,
> +	msm_mux_phase_flag6,
> +	msm_mux_phase_flag7,
> +	msm_mux_phase_flag8,
> +	msm_mux_phase_flag9,

.. and all the phase_flag* ones.

> +	msm_mux_pll_bist,
> +	msm_mux_pll_bypassnl,
> +	msm_mux_pll_reset,
> +	msm_mux_prng_rosc,
> +	msm_mux_qdss_cti,
> +	msm_mux_qdss_gpio,
> +	msm_mux_qdss_gpio0,
> +	msm_mux_qdss_gpio1,
> +	msm_mux_qdss_gpio10,
> +	msm_mux_qdss_gpio11,
> +	msm_mux_qdss_gpio12,
> +	msm_mux_qdss_gpio13,
> +	msm_mux_qdss_gpio14,
> +	msm_mux_qdss_gpio15,
> +	msm_mux_qdss_gpio2,
> +	msm_mux_qdss_gpio3,
> +	msm_mux_qdss_gpio4,
> +	msm_mux_qdss_gpio5,
> +	msm_mux_qdss_gpio6,
> +	msm_mux_qdss_gpio7,
> +	msm_mux_qdss_gpio8,
> +	msm_mux_qdss_gpio9,
> +	msm_mux_qlink0_enable,
> +	msm_mux_qlink0_request,
> +	msm_mux_qlink0_wmss,
> +	msm_mux_qlink1_enable,
> +	msm_mux_qlink1_request,
> +	msm_mux_qlink1_wmss,
> +	msm_mux_qup00,
> +	msm_mux_qup01,
> +	msm_mux_qup02,
> +	msm_mux_qup10,
> +	msm_mux_qup11,
> +	msm_mux_qup12,
> +	msm_mux_qup13_f1,
> +	msm_mux_qup13_f2,
> +	msm_mux_qup14,
> +	msm_mux_rffe0_clk,
> +	msm_mux_rffe0_data,
> +	msm_mux_rffe1_clk,
> +	msm_mux_rffe1_data,
> +	msm_mux_rffe2_clk,
> +	msm_mux_rffe2_data,
> +	msm_mux_rffe3_clk,
> +	msm_mux_rffe3_data,
> +	msm_mux_rffe4_clk,
> +	msm_mux_rffe4_data,
> +	msm_mux_sd_write,
> +	msm_mux_sdc1_tb,
> +	msm_mux_sdc2_tb,
> +	msm_mux_sp_cmu,
> +	msm_mux_tgu_ch0,
> +	msm_mux_tgu_ch1,
> +	msm_mux_tgu_ch2,
> +	msm_mux_tgu_ch3,
> +	msm_mux_tsense_pwm1,
> +	msm_mux_tsense_pwm2,
> +	msm_mux_uim1_clk,
> +	msm_mux_uim1_data,
> +	msm_mux_uim1_present,
> +	msm_mux_uim1_reset,

maybe even uim1_* into uim1?

> +	msm_mux_uim2_clk,
> +	msm_mux_uim2_data,
> +	msm_mux_uim2_present,
> +	msm_mux_uim2_reset,

.. and uim2?

> +	msm_mux_usb_phy,
> +	msm_mux_vfr_1,
> +	msm_mux_vsense_trigger,
> +	msm_mux_wlan1_adc0,
> +	msm_mux_wlan1_adc1,
> +	msm_mux_wlan2_adc0,
> +	msm_mux_wlan2_adc1,
> +	msm_mux__,
> +};
> +
>
[SNIP]
>
> +
> +static const struct msm_pinctrl_soc_data sm6350_pinctrl = {
> +	.pins = sm6350_pins,
> +	.npins = ARRAY_SIZE(sm6350_pins),
> +	.functions = sm6350_functions,
> +	.nfunctions = ARRAY_SIZE(sm6350_functions),
> +	.groups = sm6350_groups,
> +	.ngroups = ARRAY_SIZE(sm6350_groups),
> +	.ngpios = 157,
> +	.wakeirq_map = sm6350_pdc_map,
> +	.nwakeirq_map = ARRAY_SIZE(sm6350_pdc_map),
> +	.wakeirq_dual_edge_errata = true,
> +};
> +
> +static int sm6350_pinctrl_probe(struct platform_device *pdev)
> +{
> +	return msm_pinctrl_probe(pdev, &sm6350_pinctrl);
> +}
> +
> +static const struct of_device_id sm6350_pinctrl_of_match[] = {
> +	{ .compatible = "qcom,sm6350-tlmm", },
> +	{ },

No need for a trailing comma here ;)

> +};
> +
> +static struct platform_driver sm6350_pinctrl_driver = {
> +	.driver = {
> +		.name = "sm6350-pinctrl",
> +		.of_match_table = sm6350_pinctrl_of_match,
> +	},
> +	.probe = sm6350_pinctrl_probe,
> +	.remove = msm_pinctrl_remove,
> +};
> +
> +static int __init sm6350_pinctrl_init(void)
> +{
> +	return platform_driver_register(&sm6350_pinctrl_driver);
> +}
> +arch_initcall(sm6350_pinctrl_init);
> +
> +static void __exit sm6350_pinctrl_exit(void)
> +{
> +	platform_driver_unregister(&sm6350_pinctrl_driver);
> +}
> +module_exit(sm6350_pinctrl_exit);
> +
> +MODULE_DESCRIPTION("QTI sm6350 pinctrl driver");
> +MODULE_LICENSE("GPL v2");
> +MODULE_DEVICE_TABLE(of, sm6350_pinctrl_of_match);

Some/most(?) newer drivers also use the name tlmm instead of pinctrl in the 
function names and in the .name of the driver.

Regards,
Luca