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-rw-r--r--Documentation/devicetree/bindings/input/tegra-kbc.txt17
-rw-r--r--drivers/input/keyboard/tegra-kbc.c21
2 files changed, 27 insertions, 11 deletions
diff --git a/Documentation/devicetree/bindings/input/tegra-kbc.txt b/Documentation/devicetree/bindings/input/tegra-kbc.txt
index 5ecfa99089b4..72683be6de35 100644
--- a/Documentation/devicetree/bindings/input/tegra-kbc.txt
+++ b/Documentation/devicetree/bindings/input/tegra-kbc.txt
@@ -3,16 +3,21 @@
3Required properties: 3Required properties:
4- compatible: "nvidia,tegra20-kbc" 4- compatible: "nvidia,tegra20-kbc"
5 5
6Optional properties: 6Optional properties, in addition to those specified by the shared
7- debounce-delay: delay in milliseconds per row scan for debouncing 7matrix-keyboard bindings:
8- repeat-delay: delay in milliseconds before repeat starts 8
9- ghost-filter: enable ghost filtering for this device 9- linux,fn-keymap: a second keymap, same specification as the
10- wakeup-source: configure keyboard as a wakeup source for suspend/resume 10 matrix-keyboard-controller spec but to be used when the KEY_FN modifier
11 key is pressed.
12- nvidia,debounce-delay-ms: delay in milliseconds per row scan for debouncing
13- nvidia,repeat-delay-ms: delay in milliseconds before repeat starts
14- nvidia,ghost-filter: enable ghost filtering for this device
15- nvidia,wakeup-source: configure keyboard as a wakeup source for suspend/resume
11 16
12Example: 17Example:
13 18
14keyboard: keyboard { 19keyboard: keyboard {
15 compatible = "nvidia,tegra20-kbc"; 20 compatible = "nvidia,tegra20-kbc";
16 reg = <0x7000e200 0x100>; 21 reg = <0x7000e200 0x100>;
17 ghost-filter; 22 nvidia,ghost-filter;
18}; 23};
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index dc19432c665b..21c42f852343 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -624,6 +624,8 @@ tegra_kbc_dt_parse_pdata(struct platform_device *pdev)
624{ 624{
625 struct tegra_kbc_platform_data *pdata; 625 struct tegra_kbc_platform_data *pdata;
626 struct device_node *np = pdev->dev.of_node; 626 struct device_node *np = pdev->dev.of_node;
627 u32 prop;
628 int i;
627 629
628 if (!np) 630 if (!np)
629 return NULL; 631 return NULL;
@@ -631,16 +633,16 @@ tegra_kbc_dt_parse_pdata(struct platform_device *pdev)
631 if (!pdata) 633 if (!pdata)
632 return NULL; 634 return NULL;
633 635
634 if (!of_property_read_u32(np, "debounce-delay", &prop)) 636 if (!of_property_read_u32(np, "nvidia,debounce-delay-ms", &prop))
635 pdata->debounce_cnt = prop; 637 pdata->debounce_cnt = prop;
636 638
637 if (!of_property_read_u32(np, "repeat-delay", &prop)) 639 if (!of_property_read_u32(np, "nvidia,repeat-delay-ms", &prop))
638 pdata->repeat_cnt = prop; 640 pdata->repeat_cnt = prop;
639 641
640 if (of_find_property(np, "needs-ghost-filter", NULL)) 642 if (of_find_property(np, "nvidia,needs-ghost-filter", NULL))
641 pdata->use_ghost_filter = true; 643 pdata->use_ghost_filter = true;
642 644
643 if (of_find_property(np, "wakeup-source", NULL)) 645 if (of_find_property(np, "nvidia,wakeup-source", NULL))
644 pdata->wakeup = true; 646 pdata->wakeup = true;
645 647
646 /* 648 /*
@@ -657,6 +659,10 @@ tegra_kbc_dt_parse_pdata(struct platform_device *pdev)
657 pdata->pin_cfg[KBC_MAX_ROW + i].type = PIN_CFG_COL; 659 pdata->pin_cfg[KBC_MAX_ROW + i].type = PIN_CFG_COL;
658 } 660 }
659 661
662 pdata->keymap_data = matrix_keyboard_of_fill_keymap(np, "linux,keymap");
663
664 /* FIXME: Add handling of linux,fn-keymap here */
665
660 return pdata; 666 return pdata;
661} 667}
662#else 668#else
@@ -792,6 +798,9 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev)
792 platform_set_drvdata(pdev, kbc); 798 platform_set_drvdata(pdev, kbc);
793 device_init_wakeup(&pdev->dev, pdata->wakeup); 799 device_init_wakeup(&pdev->dev, pdata->wakeup);
794 800
801 if (!pdev->dev.platform_data)
802 matrix_keyboard_of_free_keymap(pdata->keymap_data);
803
795 return 0; 804 return 0;
796 805
797err_free_irq: 806err_free_irq:
@@ -806,8 +815,10 @@ err_free_mem:
806 input_free_device(input_dev); 815 input_free_device(input_dev);
807 kfree(kbc); 816 kfree(kbc);
808err_free_pdata: 817err_free_pdata:
809 if (!pdev->dev.platform_data) 818 if (!pdev->dev.platform_data) {
819 matrix_keyboard_of_free_keymap(pdata->keymap_data);
810 kfree(pdata); 820 kfree(pdata);
821 }
811 822
812 return err; 823 return err;
813} 824}