Re: [PATCH 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node

2019-09-13 Thread Maxime Ripard
On Thu, Sep 12, 2019 at 10:46:58PM +0200, Jernej Škrabec wrote: > Dne četrtek, 12. september 2019 ob 22:34:27 CEST je Maxime Ripard napisal(a): > > On Thu, Sep 12, 2019 at 10:28:37PM +0200, Jernej Škrabec wrote: > > > Dne četrtek, 12. september 2019 ob 22:20:57 CEST je Maxime Ripard > napisal(a):

Re: [PATCH 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node

2019-09-12 Thread Jernej Škrabec
Dne četrtek, 12. september 2019 ob 22:34:27 CEST je Maxime Ripard napisal(a): > On Thu, Sep 12, 2019 at 10:28:37PM +0200, Jernej Škrabec wrote: > > Dne četrtek, 12. september 2019 ob 22:20:57 CEST je Maxime Ripard napisal(a): > > > Hi, > > > > > > On Thu, Sep 12, 2019 at 07:51:29PM +0200, Jernej

Re: [PATCH 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node

2019-09-12 Thread Maxime Ripard
On Thu, Sep 12, 2019 at 10:28:37PM +0200, Jernej Škrabec wrote: > Dne četrtek, 12. september 2019 ob 22:20:57 CEST je Maxime Ripard napisal(a): > > Hi, > > > > On Thu, Sep 12, 2019 at 07:51:29PM +0200, Jernej Skrabec wrote: > > > Both, H3 and H5, contain MBUS, which is the bus used by DMA devices

Re: [PATCH 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node

2019-09-12 Thread Jernej Škrabec
Dne četrtek, 12. september 2019 ob 22:20:57 CEST je Maxime Ripard napisal(a): > Hi, > > On Thu, Sep 12, 2019 at 07:51:29PM +0200, Jernej Skrabec wrote: > > Both, H3 and H5, contain MBUS, which is the bus used by DMA devices to > > access system memory. > > > > MBUS controller is responsible for

Re: [PATCH 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node

2019-09-12 Thread Maxime Ripard
Hi, On Thu, Sep 12, 2019 at 07:51:29PM +0200, Jernej Skrabec wrote: > Both, H3 and H5, contain MBUS, which is the bus used by DMA devices to > access system memory. > > MBUS controller is responsible for arbitration between channels based > on set priority and can do some other things as well,

[PATCH 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node

2019-09-12 Thread Jernej Skrabec
Both, H3 and H5, contain MBUS, which is the bus used by DMA devices to access system memory. MBUS controller is responsible for arbitration between channels based on set priority and can do some other things as well, like report bandwidth used. It also maps RAM region to different address than