Enabling BT I2S config for muxed pins. Signed-off-by: Akshu Agrawal <Akshu.Agrawal at amd.com> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda at amd.com> Reviewed-by: Alex Deucher <alexander.deucher at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c index 0f17663..031c09e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c @@ -76,6 +76,8 @@ #define mmACP_CONTROL 0x5131 #define mmACP_STATUS 0x5133 #define mmACP_SOFT_RESET 0x5134 +#define mmACP_BT_UART_PAD_SELECT 0x51D7 +#define ACP_BT_UART_PAD_SELECT_MASK 0x1 #define ACP_CONTROL__ClkEn_MASK 0x1 #define ACP_SOFT_RESET__SoftResetAud_MASK 0x100 #define ACP_SOFT_RESET__SoftResetAudDone_MASK 0x1000000 @@ -510,6 +512,11 @@ static int acp_hw_init(void *handle) val = cgs_read_register(adev->acp.cgs_device, mmACP_SOFT_RESET); val &= ~ACP_SOFT_RESET__SoftResetAud_MASK; cgs_write_register(adev->acp.cgs_device, mmACP_SOFT_RESET, val); + /*For BT instance change pins from UART to BT */ + val = cgs_read_register(adev->acp.cgs_device, mmACP_BT_UART_PAD_SELECT); + val |= ACP_BT_UART_PAD_SELECT_MASK; + cgs_write_register(adev->acp.cgs_device, mmACP_BT_UART_PAD_SELECT, val); + return 0; } -- 2.7.4
