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ARM: spitz: Use software nodes/properties for the matrix keypad

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Convert the Spitz to use software nodes and static properties to
describe GPIOs and other parameters of its matrix keypad.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240805014710.1961677-5-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2024-08-04 18:47:07 -07:00
parent 11d29702ad
commit 1b05a70137
1 changed files with 41 additions and 23 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

64
arch/arm/mach-pxa/spitz.c
View file

@ -378,38 +378,56 @@ static const uint32_t spitz_keymap[] = {
KEY(6, 8, KEY_RIGHT),
};
static const struct matrix_keymap_data spitz_keymap_data = {
.keymap = spitz_keymap,
.keymap_size = ARRAY_SIZE(spitz_keymap),
static const struct software_node_ref_args spitz_mkp_row_gpios[] = {
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 12, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 17, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 91, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 34, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 36, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 38, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 39, GPIO_ACTIVE_HIGH),
};
static const uint32_t spitz_row_gpios[] =
{ 12, 17, 91, 34, 36, 38, 39 };
static const uint32_t spitz_col_gpios[] =
{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
static struct matrix_keypad_platform_data spitz_mkp_pdata = {
.keymap_data = &spitz_keymap_data,
.row_gpios = spitz_row_gpios,
.col_gpios = spitz_col_gpios,
.num_row_gpios = ARRAY_SIZE(spitz_row_gpios),
.num_col_gpios = ARRAY_SIZE(spitz_col_gpios),
.col_scan_delay_us = 10,
.debounce_ms = 10,
.wakeup = 1,
static const struct software_node_ref_args spitz_mkp_col_gpios[] = {
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 88, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 23, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 24, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 25, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 26, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 27, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 52, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 103, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 107, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 108, GPIO_ACTIVE_HIGH),
SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 114, GPIO_ACTIVE_HIGH),
};
static struct platform_device spitz_mkp_device = {
static const struct property_entry spitz_mkp_properties[] = {
PROPERTY_ENTRY_ARRAY_U32("linux,keymap", spitz_keymap),
PROPERTY_ENTRY_REF_ARRAY("row-gpios", spitz_mkp_row_gpios),
PROPERTY_ENTRY_REF_ARRAY("col-gpios", spitz_mkp_col_gpios),
PROPERTY_ENTRY_U32("col-scan-delay-us", 10),
PROPERTY_ENTRY_U32("debounce-delay-ms", 10),
PROPERTY_ENTRY_BOOL("wakeup-source"),
{ }
};
static const struct platform_device_info spitz_mkp_info __initconst = {
.name = "matrix-keypad",
.id = -1,
.dev = {
.platform_data = &spitz_mkp_pdata,
},
.id = PLATFORM_DEVID_NONE,
.properties = spitz_mkp_properties,
};
static void __init spitz_mkp_init(void)
{
platform_device_register(&spitz_mkp_device);
struct platform_device *pd;
int err;
pd = platform_device_register_full(&spitz_mkp_info);
err = PTR_ERR_OR_ZERO(pd);
if (err)
pr_err("failed to create keypad device: %d\n", err);
}
#else
static inline void spitz_mkp_init(void) {}