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Merge "pinctrl: qcom: Add support for user modification of the dir_conn list"

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qctecmdr 2023-11-22 14:37:10 -08:00 committed by Gerrit - the friendly Code Review server
commit 7566ba738f
1 changed files with 55 additions and 0 deletions
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55
drivers/pinctrl/qcom/pinctrl-sm8150.c
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@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
// Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
#include <linux/module.h>
#include <linux/of.h>
@ -58,6 +59,10 @@ enum {
.intr_status_reg = 0x1000 * id + 0xc, \
.intr_target_reg = 0x1000 * id + 0x8, \
.tile = _tile, \
.dir_conn_reg = _tile == WEST ? HMSS_WEST : \
_tile == EAST ? HMSS_EAST : \
_tile == NORTH ? HMSS_NORTH : \
HMSS_SOUTH, \
.mux_bit = 2, \
.pull_bit = 0, \
.drv_bit = 6, \
@ -74,6 +79,7 @@ enum {
.intr_polarity_bit = 1, \
.intr_detection_bit = 2, \
.intr_detection_width = 2, \
.dir_conn_en_bit = 8, \
}
#define SDC_QDSD_PINGROUP(pg_name, ctl, pull, drv) \
@ -1525,6 +1531,11 @@ static const struct msm_gpio_wakeirq_map sm8150_pdc_map[] = {
{ 152, 108 }, { 153, 109 },
};
static struct msm_dir_conn sm8150_dir_conn[] = {
{-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0},
{-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}
};
static u32 tile_dir_conn_addr[NUM_TILES] = {
[0] = HMSS_NORTH,
[1] = HMSS_SOUTH,
@ -1546,11 +1557,55 @@ static const struct msm_pinctrl_soc_data sm8150_pinctrl = {
.nwakeirq_map = ARRAY_SIZE(sm8150_pdc_map),
.wakeirq_dual_edge_errata = true,
.dir_conn_addr = tile_dir_conn_addr,
.dir_conn = sm8150_dir_conn,
.egpio_func = 9,
};
static int sm8150_pinctrl_dirconn_list_probe(struct platform_device *pdev)
{
int ret, n, dirconn_list_count, m;
struct device_node *np = pdev->dev.of_node;
n = of_property_count_elems_of_size(np, "qcom,dirconn-list",
sizeof(u32));
if (n <= 0 || n % 2)
return -EINVAL;
m = ARRAY_SIZE(sm8150_dir_conn) - 1;
dirconn_list_count = n / 2;
for (n = 0; n < dirconn_list_count; n++) {
ret = of_property_read_u32_index(np, "qcom,dirconn-list",
n * 2 + 0,
&sm8150_dir_conn[m].gpio);
if (ret)
return ret;
ret = of_property_read_u32_index(np, "qcom,dirconn-list",
n * 2 + 1,
&sm8150_dir_conn[m].irq);
if (ret)
return ret;
m--;
}
return 0;
}
static int sm8150_pinctrl_probe(struct platform_device *pdev)
{
int len, ret;
if (of_find_property(pdev->dev.of_node, "qcom,dirconn-list", &len)) {
ret = sm8150_pinctrl_dirconn_list_probe(pdev);
if (ret) {
dev_err(&pdev->dev,
"Unable to parse Direct Connect List\n");
return ret;
}
}
return msm_pinctrl_probe(pdev, &sm8150_pinctrl);
}