shithub: riscv

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ref: e54285994279ec9d144f5477db1db24a6acbea53
parent: f351c9fc472c247d1f46c27bd76ac6a8deccfd59
author: Sigrid Solveig Haflínudóttir <sigrid@ftrv.se>
date: Wed Aug 17 23:46:22 EDT 2022

imx8/sai: double the delay; set clock explicitly

--- a/sys/src/9/imx8/sai.c
+++ b/sys/src/9/imx8/sai.c
@@ -365,7 +365,7 @@
 	ctlr->reg = (u32int*)(VIRTIO + 0x8b0000);
 	ctlr->adev = adev;
 
-	adev->delay = 1024;
+	adev->delay = 2048;
 	adev->ctlr = ctlr;
 	adev->write = saiwrite;
 	adev->close = saiclose;
@@ -383,7 +383,6 @@
 void
 sailink(void)
 {
-
 	iomuxpad("pad_sai2_rxfs", "sai2_rx_sync", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
 	iomuxpad("pad_sai2_rxc", "sai2_rx_bclk", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
 	iomuxpad("pad_sai2_rxd0", "sai2_rx_data0", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
@@ -392,6 +391,8 @@
 	iomuxpad("pad_sai2_txd0", "sai2_tx_data0", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
 	iomuxpad("pad_sai2_mclk", "sai2_mclk", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
 
+	setclkgate("sai2.ipg_clk", 0);
+	setclkrate("sai2.ipg_clk", "audio_pll1_clk", 25*Mhz);
 	setclkgate("sai2.ipg_clk", 1);
 
 	addaudiocard("sai", saiprobe);