openwrt/target/linux/layerscape/patches-5.4/801-audio-0061-ASoC-fsl_sai-support-multi-power-domain.patch
Yangbo Lu cddd459140 layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

56 lines
1.6 KiB
Diff

From f11933205182a3da44e7f99d899dd27adafcb6d5 Mon Sep 17 00:00:00 2001
From: Shengjiu Wang <shengjiu.wang@nxp.com>
Date: Tue, 29 Jan 2019 14:51:24 +0800
Subject: [PATCH] ASoC: fsl_sai: support multi power domain
support multi power domain
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
sound/soc/fsl/fsl_sai.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -16,6 +16,7 @@
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/pm_qos.h>
+#include <linux/pm_domain.h>
#include <sound/core.h>
#include <sound/dmaengine_pcm.h>
#include <sound/pcm_params.h>
@@ -1357,6 +1358,7 @@ static int fsl_sai_probe(struct platform
int index;
struct regmap_config fsl_sai_regmap_config = fsl_sai_v2_regmap_config;
unsigned long irqflags = 0;
+ int num_domains = 0;
sai = devm_kzalloc(&pdev->dev, sizeof(*sai), GFP_KERNEL);
if (!sai)
@@ -1409,6 +1411,24 @@ static int fsl_sai_probe(struct platform
}
}
+ num_domains = of_count_phandle_with_args(np, "power-domains",
+ "#power-domain-cells");
+ for (i = 0; i < num_domains; i++) {
+ struct device *pd_dev;
+ struct device_link *link;
+
+ pd_dev = dev_pm_domain_attach_by_id(&pdev->dev, i);
+ if (IS_ERR(pd_dev))
+ return PTR_ERR(pd_dev);
+
+ link = device_link_add(&pdev->dev, pd_dev,
+ DL_FLAG_STATELESS |
+ DL_FLAG_PM_RUNTIME |
+ DL_FLAG_RPM_ACTIVE);
+ if (IS_ERR(link))
+ return PTR_ERR(link);
+ }
+
sai->pll8k_clk = devm_clk_get(&pdev->dev, "pll8k");
if (IS_ERR(sai->pll8k_clk))
sai->pll8k_clk = NULL;