From 4f5ac8cf0a1121144432fd0175fac9ec31f58cd0 Mon Sep 17 00:00:00 2001 From: Peter Rosin Date: Thu, 24 Nov 2016 21:45:20 +0100 Subject: [PATCH] pinctrl: sx150x: add support for sx1501, sx1504, sx1505 and sx1507 Untested, register offsets carefully copied from datasheets. Signed-off-by: Peter Rosin Signed-off-by: Linus Walleij --- .../bindings/pinctrl/pinctrl-sx150x.txt | 8 +- drivers/pinctrl/pinctrl-sx150x.c | 98 +++++++++++++++++++ 2 files changed, 104 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-sx150x.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-sx150x.txt index 83f8d5c449ba..bf76867168e9 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-sx150x.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-sx150x.txt @@ -6,9 +6,13 @@ pin controller, GPIO, and interrupt bindings. Required properties: - compatible: should be one of : + "semtech,sx1501q", "semtech,sx1502q", "semtech,sx1503q", + "semtech,sx1504q", + "semtech,sx1505q", "semtech,sx1506q", + "semtech,sx1507q", "semtech,sx1508q", "semtech,sx1509q". @@ -28,7 +32,7 @@ Optional properties : - interrupt-controller: Marks the device as a interrupt controller. - semtech,probe-reset: Will trigger a reset of the GPIO expander on probe, - only for sx1508q and sx1509q + only for sx1507q, sx1508q and sx1509q The GPIO expander can optionally be used as an interrupt controller, in which case it uses the default two cell specifier. @@ -43,7 +47,7 @@ Optional properties for pin configuration sub-nodes: - bias-pull-down: pull down the pin, except the OSCIO pin - bias-pull-pin-default: use pin-default pull state, except the OSCIO pin - drive-push-pull: drive actively high and low - - drive-open-drain: drive with open drain only for sx1508q and sx1509q and except the OSCIO pin + - drive-open-drain: drive with open drain only for sx1507q, sx1508q and sx1509q and except the OSCIO pin - output-low: set the pin to output mode with low level - output-high: set the pin to output mode with high level diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c index 97df9302e84b..1a1c8b51a992 100644 --- a/drivers/pinctrl/pinctrl-sx150x.c +++ b/drivers/pinctrl/pinctrl-sx150x.c @@ -116,6 +116,14 @@ struct sx150x_pinctrl { const struct sx150x_device_data *data; }; +static const struct pinctrl_pin_desc sx150x_4_pins[] = { + PINCTRL_PIN(0, "gpio0"), + PINCTRL_PIN(1, "gpio1"), + PINCTRL_PIN(2, "gpio2"), + PINCTRL_PIN(3, "gpio3"), + PINCTRL_PIN(4, "oscio"), +}; + static const struct pinctrl_pin_desc sx150x_8_pins[] = { PINCTRL_PIN(0, "gpio0"), PINCTRL_PIN(1, "gpio1"), @@ -148,6 +156,26 @@ static const struct pinctrl_pin_desc sx150x_16_pins[] = { PINCTRL_PIN(16, "oscio"), }; +static const struct sx150x_device_data sx1501q_device_data = { + .model = SX150X_123, + .reg_pullup = 0x02, + .reg_pulldn = 0x03, + .reg_dir = 0x01, + .reg_data = 0x00, + .reg_irq_mask = 0x05, + .reg_irq_src = 0x08, + .reg_sense = 0x07, + .pri.x123 = { + .reg_pld_mode = 0x10, + .reg_pld_table0 = 0x11, + .reg_pld_table2 = 0x13, + .reg_advance = 0xad, + }, + .ngpios = 4, + .pins = sx150x_4_pins, + .npins = 4, /* oscio not available */ +}; + static const struct sx150x_device_data sx1502q_device_data = { .model = SX150X_123, .reg_pullup = 0x02, @@ -194,6 +222,47 @@ static const struct sx150x_device_data sx1503q_device_data = { .npins = 16, /* oscio not available */ }; +static const struct sx150x_device_data sx1504q_device_data = { + .model = SX150X_456, + .reg_pullup = 0x02, + .reg_pulldn = 0x03, + .reg_dir = 0x01, + .reg_data = 0x00, + .reg_irq_mask = 0x05, + .reg_irq_src = 0x08, + .reg_sense = 0x07, + .pri.x456 = { + .reg_pld_mode = 0x10, + .reg_pld_table0 = 0x11, + .reg_pld_table2 = 0x13, + }, + .ngpios = 4, + .pins = sx150x_4_pins, + .npins = 4, /* oscio not available */ +}; + +static const struct sx150x_device_data sx1505q_device_data = { + .model = SX150X_456, + .reg_pullup = 0x02, + .reg_pulldn = 0x03, + .reg_dir = 0x01, + .reg_data = 0x00, + .reg_irq_mask = 0x05, + .reg_irq_src = 0x08, + .reg_sense = 0x06, + .pri.x456 = { + .reg_pld_mode = 0x10, + .reg_pld_table0 = 0x11, + .reg_pld_table1 = 0x12, + .reg_pld_table2 = 0x13, + .reg_pld_table3 = 0x14, + .reg_pld_table4 = 0x15, + }, + .ngpios = 8, + .pins = sx150x_8_pins, + .npins = 8, /* oscio not available */ +}; + static const struct sx150x_device_data sx1506q_device_data = { .model = SX150X_456, .reg_pullup = 0x04, @@ -217,6 +286,27 @@ static const struct sx150x_device_data sx1506q_device_data = { .npins = 16, /* oscio not available */ }; +static const struct sx150x_device_data sx1507q_device_data = { + .model = SX150X_789, + .reg_pullup = 0x03, + .reg_pulldn = 0x04, + .reg_dir = 0x07, + .reg_data = 0x08, + .reg_irq_mask = 0x09, + .reg_irq_src = 0x0b, + .reg_sense = 0x0a, + .pri.x789 = { + .reg_drain = 0x05, + .reg_polarity = 0x06, + .reg_clock = 0x0d, + .reg_misc = 0x0e, + .reg_reset = 0x7d, + }, + .ngpios = 4, + .pins = sx150x_4_pins, + .npins = ARRAY_SIZE(sx150x_4_pins), +}; + static const struct sx150x_device_data sx1508q_device_data = { .model = SX150X_789, .reg_pullup = 0x03, @@ -758,18 +848,26 @@ static const struct pinconf_ops sx150x_pinconf_ops = { }; static const struct i2c_device_id sx150x_id[] = { + {"sx1501q", (kernel_ulong_t) &sx1501q_device_data }, {"sx1502q", (kernel_ulong_t) &sx1502q_device_data }, {"sx1503q", (kernel_ulong_t) &sx1503q_device_data }, + {"sx1504q", (kernel_ulong_t) &sx1504q_device_data }, + {"sx1505q", (kernel_ulong_t) &sx1505q_device_data }, {"sx1506q", (kernel_ulong_t) &sx1506q_device_data }, + {"sx1507q", (kernel_ulong_t) &sx1507q_device_data }, {"sx1508q", (kernel_ulong_t) &sx1508q_device_data }, {"sx1509q", (kernel_ulong_t) &sx1509q_device_data }, {} }; static const struct of_device_id sx150x_of_match[] = { + { .compatible = "semtech,sx1501q", .data = &sx1501q_device_data }, { .compatible = "semtech,sx1502q", .data = &sx1502q_device_data }, { .compatible = "semtech,sx1503q", .data = &sx1503q_device_data }, + { .compatible = "semtech,sx1504q", .data = &sx1504q_device_data }, + { .compatible = "semtech,sx1505q", .data = &sx1505q_device_data }, { .compatible = "semtech,sx1506q", .data = &sx1506q_device_data }, + { .compatible = "semtech,sx1507q", .data = &sx1507q_device_data }, { .compatible = "semtech,sx1508q", .data = &sx1508q_device_data }, { .compatible = "semtech,sx1509q", .data = &sx1509q_device_data }, {}, -- 2.20.1