Re: [PATCH 2/2] pinctrl: qcom: Add sc7280 pinctrl driver

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On Fri 16 Oct 01:58 CDT 2020, Rajendra Nayak wrote:
> diff --git a/drivers/pinctrl/qcom/pinctrl-sc7280.c b/drivers/pinctrl/qcom/pinctrl-sc7280.c
[..]
> +static const struct msm_function sc7280_functions[] = {
[..]
> +	FUNCTION(phase_flag0),
> +	FUNCTION(phase_flag1),
> +	FUNCTION(phase_flag10),
> +	FUNCTION(phase_flag11),
> +	FUNCTION(phase_flag12),
> +	FUNCTION(phase_flag13),
> +	FUNCTION(phase_flag14),
> +	FUNCTION(phase_flag15),
> +	FUNCTION(phase_flag16),
> +	FUNCTION(phase_flag17),
> +	FUNCTION(phase_flag18),
> +	FUNCTION(phase_flag19),
> +	FUNCTION(phase_flag2),
> +	FUNCTION(phase_flag20),
> +	FUNCTION(phase_flag21),
> +	FUNCTION(phase_flag22),
> +	FUNCTION(phase_flag23),
> +	FUNCTION(phase_flag24),
> +	FUNCTION(phase_flag25),
> +	FUNCTION(phase_flag26),
> +	FUNCTION(phase_flag27),
> +	FUNCTION(phase_flag28),
> +	FUNCTION(phase_flag29),
> +	FUNCTION(phase_flag3),
> +	FUNCTION(phase_flag30),
> +	FUNCTION(phase_flag31),
> +	FUNCTION(phase_flag4),
> +	FUNCTION(phase_flag5),
> +	FUNCTION(phase_flag6),
> +	FUNCTION(phase_flag7),
> +	FUNCTION(phase_flag8),
> +	FUNCTION(phase_flag9),

I prefer when we squash these into a single function.

> +	FUNCTION(pll_bist),
> +	FUNCTION(pll_bypassnl),
> +	FUNCTION(pll_clk),
> +	FUNCTION(pll_reset),
> +	FUNCTION(pri_mi2s),
> +	FUNCTION(prng_rosc),
> +	FUNCTION(qdss_cti),
> +	FUNCTION(qdss_gpio),
> +	FUNCTION(qdss_gpio0),
> +	FUNCTION(qdss_gpio1),
> +	FUNCTION(qdss_gpio10),
> +	FUNCTION(qdss_gpio11),
> +	FUNCTION(qdss_gpio12),
> +	FUNCTION(qdss_gpio13),
> +	FUNCTION(qdss_gpio14),
> +	FUNCTION(qdss_gpio15),
> +	FUNCTION(qdss_gpio2),
> +	FUNCTION(qdss_gpio3),
> +	FUNCTION(qdss_gpio4),
> +	FUNCTION(qdss_gpio5),
> +	FUNCTION(qdss_gpio6),
> +	FUNCTION(qdss_gpio7),
> +	FUNCTION(qdss_gpio8),
> +	FUNCTION(qdss_gpio9),

Ditto.

> +	FUNCTION(qlink0_enable),
> +	FUNCTION(qlink0_request),
> +	FUNCTION(qlink0_wmss),
> +	FUNCTION(qlink1_enable),
> +	FUNCTION(qlink1_request),
> +	FUNCTION(qlink1_wmss),
> +	FUNCTION(qspi_clk),
> +	FUNCTION(qspi_cs),
> +	FUNCTION(qspi_data),
> +	FUNCTION(qup00),
> +	FUNCTION(qup01),
> +	FUNCTION(qup02),
> +	FUNCTION(qup03),
> +	FUNCTION(qup04),
> +	FUNCTION(qup05),
> +	FUNCTION(qup06),
> +	FUNCTION(qup07),
> +	FUNCTION(qup10),
> +	FUNCTION(qup11),
> +	FUNCTION(qup12),
> +	FUNCTION(qup13),
> +	FUNCTION(qup14),
> +	FUNCTION(qup15),
> +	FUNCTION(qup16),
> +	FUNCTION(qup17),
> +	FUNCTION(sdc40),
> +	FUNCTION(sdc41),
> +	FUNCTION(sdc42),
> +	FUNCTION(sdc43),
> +	FUNCTION(sdc4_clk),
> +	FUNCTION(sdc4_cmd),
> +	FUNCTION(sd_write),
> +	FUNCTION(sec_mi2s),
> +	FUNCTION(tb_trig),
> +	FUNCTION(tgu_ch0),
> +	FUNCTION(tgu_ch1),
> +	FUNCTION(tsense_pwm1),
> +	FUNCTION(tsense_pwm2),
> +	FUNCTION(uim0_clk),
> +	FUNCTION(uim0_data),
> +	FUNCTION(uim0_present),
> +	FUNCTION(uim0_reset),
> +	FUNCTION(uim1_clk),
> +	FUNCTION(uim1_data),
> +	FUNCTION(uim1_present),
> +	FUNCTION(uim1_reset),
> +	FUNCTION(usb2phy_ac),
> +	FUNCTION(usb_phy),
> +	FUNCTION(vfr_0),
> +	FUNCTION(vfr_1),
> +	FUNCTION(vsense_trigger),
> +};
> +
> +/* Every pin is maintained as a single group, and missing or non-existing pin
> + * would be maintained as dummy group to synchronize pin group index with
> + * pin descriptor registered with pinctrl core.
> + * Clients would not be able to request these dummy pin groups.
> + */
> +static const struct msm_pingroup sc7280_groups[] = {
[..]
> +	[174] = PINGROUP(174, qdss_gpio15, _, _, _, _, _, _, _, _),
> +	[175] = SDC_QDSD_PINGROUP(sdc1_rclk, 0x1b3000, 15, 0),
> +	[176] = SDC_QDSD_PINGROUP(sdc1_clk, 0x1b3000, 13, 6),
> +	[177] = SDC_QDSD_PINGROUP(sdc1_cmd, 0x1b3000, 11, 3),
> +	[178] = SDC_QDSD_PINGROUP(sdc1_data, 0x1b3000, 9, 0),
> +	[179] = SDC_QDSD_PINGROUP(sdc2_clk, 0x1b4000, 14, 6),
> +	[180] = SDC_QDSD_PINGROUP(sdc2_cmd, 0x1b4000, 11, 3),
> +	[181] = SDC_QDSD_PINGROUP(sdc2_data, 0x1b4000, 9, 0),
> +	[182] = UFS_RESET(ufs_reset, 0x1be000),

Rather than fiddling ufs reset using pinconf we expose it as a gp(i)o
pin upstream. So please move this to be the 175th item in the list and
bump ngpios to 176 below.

> +};
> +
> +static const struct msm_pinctrl_soc_data sc7280_pinctrl = {
> +	.pins = sc7280_pins,
> +	.npins = ARRAY_SIZE(sc7280_pins),
> +	.functions = sc7280_functions,
> +	.nfunctions = ARRAY_SIZE(sc7280_functions),
> +	.groups = sc7280_groups,
> +	.ngroups = ARRAY_SIZE(sc7280_groups),
> +	.ngpios = 175,
> +};
> +

Apart from that it looks good.

Regards,
Bjorn



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