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disp: msm: add helper to retrieve gpio address mappings

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Add helper in util to retrieve IO address mappings for
a given global gpio pin. This will be used by the Trusted
UI framework to secure gpio pins.

Change-Id: If8ad069d724394f0772c9cf7371484a7cdc5bc78
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
This commit is contained in:
Jeykumar Sankaran
2021-04-27 16:26:14 -07:00
parent 1b9345b3af
commit ba57fd387c
2 changed files with 36 additions and 0 deletions
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include/linux/sde_io_util.h
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@@ -107,6 +107,7 @@ int msm_dss_get_io_mem(struct platform_device *pdev,
void msm_dss_clean_io_mem(struct list_head *mem_list);
int msm_dss_get_pmic_io_mem(struct platform_device *pdev,
struct list_head *mem_list);
int msm_dss_get_gpio_io_mem(const int gpio_pin, struct list_head *mem_list);
int msm_dss_get_io_irq(struct platform_device *pdev,
struct list_head *irq_list, u32 label);
void msm_dss_clean_io_irq(struct list_head *irq_list);