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authorDipen Patel <dipenp@nvidia.com>2023-04-14 02:44:52 +0200
committerDipen Patel <dipenp@nvidia.com>2023-04-27 00:43:26 +0200
commitb003fb5c9df8a8923bf46e0c00cc54edcfb0fbe3 (patch)
tree6d97946ef85cc0e8bf0dbe8153bcab8f759e1e0f /drivers/hte
parenthte: Re-phrase tegra API document (diff)
downloadlinux-b003fb5c9df8a8923bf46e0c00cc54edcfb0fbe3.tar.xz
linux-b003fb5c9df8a8923bf46e0c00cc54edcfb0fbe3.zip
hte: Add Tegra234 provider
The Tegra234 AON GPIO instance and LIC IRQ support HTE. For the GPIO HTE support, it also requires to add mapping between GPIO and HTE framework same as it was done with Tegra194 SoC. Signed-off-by: Dipen Patel <dipenp@nvidia.com>
Diffstat (limited to 'drivers/hte')
-rw-r--r--drivers/hte/hte-tegra194-test.c2
-rw-r--r--drivers/hte/hte-tegra194.c124
2 files changed, 121 insertions, 5 deletions
diff --git a/drivers/hte/hte-tegra194-test.c b/drivers/hte/hte-tegra194-test.c
index 5d776a185bd6..d79c28a80517 100644
--- a/drivers/hte/hte-tegra194-test.c
+++ b/drivers/hte/hte-tegra194-test.c
@@ -16,7 +16,7 @@
#include <linux/hte.h>
/*
- * This sample HTE GPIO test driver demonstrates HTE API usage by enabling
+ * This sample HTE test driver demonstrates HTE API usage by enabling
* hardware timestamp on gpio_in and specified LIC IRQ lines.
*
* Note: gpio_out and gpio_in need to be shorted externally in order for this
diff --git a/drivers/hte/hte-tegra194.c b/drivers/hte/hte-tegra194.c
index 49a27af22742..5d1f947db0f6 100644
--- a/drivers/hte/hte-tegra194.c
+++ b/drivers/hte/hte-tegra194.c
@@ -62,6 +62,10 @@
#define NV_AON_HTE_SLICE2_IRQ_GPIO_25 25
#define NV_AON_HTE_SLICE2_IRQ_GPIO_26 26
#define NV_AON_HTE_SLICE2_IRQ_GPIO_27 27
+#define NV_AON_HTE_SLICE2_IRQ_GPIO_28 28
+#define NV_AON_HTE_SLICE2_IRQ_GPIO_29 29
+#define NV_AON_HTE_SLICE2_IRQ_GPIO_30 30
+#define NV_AON_HTE_SLICE2_IRQ_GPIO_31 31
#define HTE_TECTRL 0x0
#define HTE_TETSCH 0x4
@@ -220,7 +224,100 @@ static const struct tegra_hte_line_mapped tegra194_aon_gpio_sec_map[] = {
[39] = {NV_AON_SLICE_INVALID, 0},
};
-static const struct tegra_hte_data aon_hte = {
+static const struct tegra_hte_line_mapped tegra234_aon_gpio_map[] = {
+ /* gpio, slice, bit_index */
+ /* AA port */
+ [0] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_11},
+ [1] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_10},
+ [2] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_9},
+ [3] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_8},
+ [4] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_7},
+ [5] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_6},
+ [6] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_5},
+ [7] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_4},
+ /* BB port */
+ [8] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_3},
+ [9] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_2},
+ [10] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_1},
+ [11] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_0},
+ /* CC port */
+ [12] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_22},
+ [13] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_21},
+ [14] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_20},
+ [15] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_19},
+ [16] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_18},
+ [17] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_17},
+ [18] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_16},
+ [19] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_15},
+ /* DD port */
+ [20] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_14},
+ [21] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_13},
+ [22] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_12},
+ /* EE port */
+ [23] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_31},
+ [24] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_30},
+ [25] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_29},
+ [26] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_28},
+ [27] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_27},
+ [28] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_26},
+ [29] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_25},
+ [30] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_24},
+ /* GG port */
+ [31] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_23},
+};
+
+static const struct tegra_hte_line_mapped tegra234_aon_gpio_sec_map[] = {
+ /* gpio, slice, bit_index */
+ /* AA port */
+ [0] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_11},
+ [1] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_10},
+ [2] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_9},
+ [3] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_8},
+ [4] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_7},
+ [5] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_6},
+ [6] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_5},
+ [7] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_4},
+ /* BB port */
+ [8] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_3},
+ [9] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_2},
+ [10] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_1},
+ [11] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_0},
+ [12] = {NV_AON_SLICE_INVALID, 0},
+ [13] = {NV_AON_SLICE_INVALID, 0},
+ [14] = {NV_AON_SLICE_INVALID, 0},
+ [15] = {NV_AON_SLICE_INVALID, 0},
+ /* CC port */
+ [16] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_22},
+ [17] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_21},
+ [18] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_20},
+ [19] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_19},
+ [20] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_18},
+ [21] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_17},
+ [22] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_16},
+ [23] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_15},
+ /* DD port */
+ [24] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_14},
+ [25] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_13},
+ [26] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_12},
+ [27] = {NV_AON_SLICE_INVALID, 0},
+ [28] = {NV_AON_SLICE_INVALID, 0},
+ [29] = {NV_AON_SLICE_INVALID, 0},
+ [30] = {NV_AON_SLICE_INVALID, 0},
+ [31] = {NV_AON_SLICE_INVALID, 0},
+ /* EE port */
+ [32] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_31},
+ [33] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_30},
+ [34] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_29},
+ [35] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_28},
+ [36] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_27},
+ [37] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_26},
+ [38] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_25},
+ [39] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_24},
+ /* GG port */
+ [40] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_23},
+};
+
+static const struct tegra_hte_data t194_aon_hte = {
.map_sz = ARRAY_SIZE(tegra194_aon_gpio_map),
.map = tegra194_aon_gpio_map,
.sec_map_sz = ARRAY_SIZE(tegra194_aon_gpio_sec_map),
@@ -228,6 +325,14 @@ static const struct tegra_hte_data aon_hte = {
.type = HTE_TEGRA_TYPE_GPIO,
};
+static const struct tegra_hte_data t234_aon_hte = {
+ .map_sz = ARRAY_SIZE(tegra234_aon_gpio_map),
+ .map = tegra234_aon_gpio_map,
+ .sec_map_sz = ARRAY_SIZE(tegra234_aon_gpio_sec_map),
+ .sec_map = tegra234_aon_gpio_sec_map,
+ .type = HTE_TEGRA_TYPE_GPIO,
+};
+
static const struct tegra_hte_data lic_hte = {
.map_sz = 0,
.map = NULL,
@@ -535,7 +640,9 @@ static bool tegra_hte_match_from_linedata(const struct hte_chip *chip,
static const struct of_device_id tegra_hte_of_match[] = {
{ .compatible = "nvidia,tegra194-gte-lic", .data = &lic_hte},
- { .compatible = "nvidia,tegra194-gte-aon", .data = &aon_hte},
+ { .compatible = "nvidia,tegra194-gte-aon", .data = &t194_aon_hte},
+ { .compatible = "nvidia,tegra234-gte-lic", .data = &lic_hte},
+ { .compatible = "nvidia,tegra234-gte-aon", .data = &t234_aon_hte},
{ }
};
MODULE_DEVICE_TABLE(of, tegra_hte_of_match);
@@ -635,8 +742,17 @@ static int tegra_hte_probe(struct platform_device *pdev)
gc->match_from_linedata = tegra_hte_match_from_linedata;
- hte_dev->c = gpiochip_find("tegra194-gpio-aon",
- tegra_get_gpiochip_from_name);
+ if (of_device_is_compatible(dev->of_node,
+ "nvidia,tegra194-gte-aon"))
+ hte_dev->c = gpiochip_find("tegra194-gpio-aon",
+ tegra_get_gpiochip_from_name);
+ else if (of_device_is_compatible(dev->of_node,
+ "nvidia,tegra234-gte-aon"))
+ hte_dev->c = gpiochip_find("tegra234-gpio-aon",
+ tegra_get_gpiochip_from_name);
+ else
+ return -ENODEV;
+
if (!hte_dev->c)
return dev_err_probe(dev, -EPROBE_DEFER,
"wait for gpio controller\n");