From 37da8846faa6d83c12a7f76b9c451a72805850bc Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Wed, 27 Sep 2017 03:45:53 -0700 Subject: mb/google/eve: Set DSP SPI clock to 12MHz To enable faster download of hotword data set the SPI clock to the Realtek 5514 DSP chip to 12MHz instead of the default 1MHz. BUG=b:67763576, b:66161281 TEST=cras_test_client --listen /tmp/rec.raw, trigger hotword, and check the samples using hexdump or cras_test_client --playback_f /tmp/rec.raw Change-Id: I92710eae25613a8202c63888b86a269803c40fe6 Signed-off-by: Duncan Laurie Original-Signed-off-by: Cheng-Yi Chiang Original-Change-Id: I7e50d755a90d739b6dec155228351c3974b2f3b9 Original-Reviewed-on: https://chromium-review.googlesource.com/686675 Original-Reviewed-by: Furquan Shaikh Original-Reviewed-by: Chinyue Chen Original-Reviewed-by: Duncan Laurie Original-Tested-by: Chinyue Chen Original-Commit-Queue: Duncan Laurie Reviewed-on: https://review.coreboot.org/22450 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin Reviewed-by: Paul Menzel Reviewed-by: Furquan Shaikh --- src/mainboard/google/eve/devicetree.cb | 1 + 1 file changed, 1 insertion(+) (limited to 'src/mainboard/google/eve/devicetree.cb') diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb index 3d1077b5e1..30a327e2cc 100644 --- a/src/mainboard/google/eve/devicetree.cb +++ b/src/mainboard/google/eve/devicetree.cb @@ -342,6 +342,7 @@ chip soc/intel/skylake register "hid" = "ACPI_DT_NAMESPACE_HID" register "compat_string" = ""realtek,rt5514"" register "irq" = "ACPI_IRQ_EDGE_HIGH(GPP_F10_IRQ)" + register "speed" = "12 * MHz" device spi 0 on end end end # GSPI #0 -- cgit v1.2.3