Lines Matching refs:pwrseq
27 struct mmc_pwrseq pwrseq; member
35 #define to_pwrseq_simple(p) container_of(p, struct mmc_pwrseq_simple, pwrseq)
37 static void mmc_pwrseq_simple_set_gpios_value(struct mmc_pwrseq_simple *pwrseq, in mmc_pwrseq_simple_set_gpios_value() argument
40 struct gpio_descs *reset_gpios = pwrseq->reset_gpios; in mmc_pwrseq_simple_set_gpios_value()
60 struct mmc_pwrseq_simple *pwrseq = to_pwrseq_simple(host->pwrseq); in mmc_pwrseq_simple_pre_power_on() local
62 if (!IS_ERR(pwrseq->ext_clk) && !pwrseq->clk_enabled) { in mmc_pwrseq_simple_pre_power_on()
63 clk_prepare_enable(pwrseq->ext_clk); in mmc_pwrseq_simple_pre_power_on()
64 pwrseq->clk_enabled = true; in mmc_pwrseq_simple_pre_power_on()
67 mmc_pwrseq_simple_set_gpios_value(pwrseq, 1); in mmc_pwrseq_simple_pre_power_on()
72 struct mmc_pwrseq_simple *pwrseq = to_pwrseq_simple(host->pwrseq); in mmc_pwrseq_simple_post_power_on() local
74 mmc_pwrseq_simple_set_gpios_value(pwrseq, 0); in mmc_pwrseq_simple_post_power_on()
76 if (pwrseq->post_power_on_delay_ms) in mmc_pwrseq_simple_post_power_on()
77 msleep(pwrseq->post_power_on_delay_ms); in mmc_pwrseq_simple_post_power_on()
82 struct mmc_pwrseq_simple *pwrseq = to_pwrseq_simple(host->pwrseq); in mmc_pwrseq_simple_power_off() local
84 mmc_pwrseq_simple_set_gpios_value(pwrseq, 1); in mmc_pwrseq_simple_power_off()
86 if (pwrseq->power_off_delay_us) in mmc_pwrseq_simple_power_off()
87 usleep_range(pwrseq->power_off_delay_us, in mmc_pwrseq_simple_power_off()
88 2 * pwrseq->power_off_delay_us); in mmc_pwrseq_simple_power_off()
90 if (!IS_ERR(pwrseq->ext_clk) && pwrseq->clk_enabled) { in mmc_pwrseq_simple_power_off()
91 clk_disable_unprepare(pwrseq->ext_clk); in mmc_pwrseq_simple_power_off()
92 pwrseq->clk_enabled = false; in mmc_pwrseq_simple_power_off()
110 struct mmc_pwrseq_simple *pwrseq; in mmc_pwrseq_simple_probe() local
113 pwrseq = devm_kzalloc(dev, sizeof(*pwrseq), GFP_KERNEL); in mmc_pwrseq_simple_probe()
114 if (!pwrseq) in mmc_pwrseq_simple_probe()
117 pwrseq->ext_clk = devm_clk_get(dev, "ext_clock"); in mmc_pwrseq_simple_probe()
118 if (IS_ERR(pwrseq->ext_clk) && PTR_ERR(pwrseq->ext_clk) != -ENOENT) in mmc_pwrseq_simple_probe()
119 return PTR_ERR(pwrseq->ext_clk); in mmc_pwrseq_simple_probe()
121 pwrseq->reset_gpios = devm_gpiod_get_array(dev, "reset", in mmc_pwrseq_simple_probe()
123 if (IS_ERR(pwrseq->reset_gpios) && in mmc_pwrseq_simple_probe()
124 PTR_ERR(pwrseq->reset_gpios) != -ENOENT && in mmc_pwrseq_simple_probe()
125 PTR_ERR(pwrseq->reset_gpios) != -ENOSYS) { in mmc_pwrseq_simple_probe()
126 return PTR_ERR(pwrseq->reset_gpios); in mmc_pwrseq_simple_probe()
130 &pwrseq->post_power_on_delay_ms); in mmc_pwrseq_simple_probe()
132 &pwrseq->power_off_delay_us); in mmc_pwrseq_simple_probe()
134 pwrseq->pwrseq.dev = dev; in mmc_pwrseq_simple_probe()
135 pwrseq->pwrseq.ops = &mmc_pwrseq_simple_ops; in mmc_pwrseq_simple_probe()
136 pwrseq->pwrseq.owner = THIS_MODULE; in mmc_pwrseq_simple_probe()
137 platform_set_drvdata(pdev, pwrseq); in mmc_pwrseq_simple_probe()
139 return mmc_pwrseq_register(&pwrseq->pwrseq); in mmc_pwrseq_simple_probe()
144 struct mmc_pwrseq_simple *pwrseq = platform_get_drvdata(pdev); in mmc_pwrseq_simple_remove() local
146 mmc_pwrseq_unregister(&pwrseq->pwrseq); in mmc_pwrseq_simple_remove()