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Message-ID: <1480020320-28354-4-git-send-email-peda@axentia.se>
Date: Thu, 24 Nov 2016 21:45:20 +0100
From: Peter Rosin <peda@...ntia.se>
To: <linux-kernel@...r.kernel.org>
CC: Peter Rosin <peda@...ntia.se>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Andrey Smirnov <andrew.smirnov@...il.com>,
Neil Armstrong <narmstrong@...libre.com>,
<linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH 3/3] pinctrl: sx150x: add support for sx1501, sx1504, sx1505 and sx1507
Untested, register offsets carefully copied from datasheets.
Signed-off-by: Peter Rosin <peda@...ntia.se>
---
.../devicetree/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..eb6adbbd33f0 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(8, "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 },
{},
--
2.1.4
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