On Mon, Feb 12, 2018 at 10:56:40PM +0530, Preetham Chandru Ramchandra wrote: > From: Preetham Ramchandra <pchandru@xxxxxxxxxx> > > This adds bindings documentation for the > AHCI controller on Tegra210 > > Signed-off-by: Preetham Chandru R <pchandru@xxxxxxxxxx> > --- > v7: > * For Aux register set drop the Tegra210 since this register > set also works on Tegra124 > * rephrase the sentence for cml1 clock > * change the commit subject to include ahci-tegra > * drop pll_e since CCF handles it automatically as > CML1 is a child clock of it. > v4: > * changed the commit message > * changed 'sata-cold' reset to mandatory for t210 and t124 > * Removed the regulators for T210 since these regulators > will be enabled in phy driver. > v3: > * Add AUX register. > v2: > * change cml1, pll_e and phy regulators as optional > for T210. > --- > .../bindings/ata/nvidia,tegra124-ahci.txt | 35 ++++++++++++++-------- > 1 file changed, 22 insertions(+), 13 deletions(-) > > diff --git a/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt b/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt > index 66c83c3e8915..0f4520a00716 100644 > --- a/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt > +++ b/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt > @@ -1,20 +1,19 @@ > -Tegra124 SoC SATA AHCI controller > +Tegra SoC SATA AHCI controller > > Required properties : > -- compatible : For Tegra124, must contain "nvidia,tegra124-ahci". Otherwise, > - must contain '"nvidia,<chip>-ahci", "nvidia,tegra124-ahci"', where <chip> > - is tegra132. > -- reg : Should contain 2 entries: > +- compatible : Must be one of: > + - Tegra124 : "nvidia,tegra124-ahci" > + - Tegra210 : "nvidia,tegra210-ahci" Are you dropping T132? > +- reg : Should contain 3 entries: You can't just add more entries to existing compatibles. Does this apply to T124? > - AHCI register set (SATA BAR5) > - SATA register set > + - AUX register set > - interrupts : Defines the interrupt used by SATA > - clocks : Must contain an entry for each entry in clock-names. > See ../clocks/clock-bindings.txt for details. > - clock-names : Must include the following entries: > - sata > - sata-oob > - - cml1 > - - pll_e > - resets : Must contain an entry for each entry in reset-names. > See ../reset/reset.txt for details. > - reset-names : Must include the following entries: > @@ -24,9 +23,19 @@ Required properties : > - phys : Must contain an entry for each entry in phy-names. > See ../phy/phy-bindings.txt for details. > - phy-names : Must include the following entries: > - - sata-phy : XUSB PADCTL SATA PHY > -- hvdd-supply : Defines the SATA HVDD regulator > -- vddio-supply : Defines the SATA VDDIO regulator > -- avdd-supply : Defines the SATA AVDD regulator > -- target-5v-supply : Defines the SATA 5V power regulator > -- target-12v-supply : Defines the SATA 12V power regulator > + - For T124: > + - sata-phy : XUSB PADCTL SATA PHY > + - For T210: > + - sata-0 -names is kind of pointless for a single entry. Differing names is even more pointless. > +- For T124: > + - hvdd-supply : Defines the SATA HVDD regulator > + - vddio-supply : Defines the SATA VDDIO regulator > + - avdd-supply : Defines the SATA AVDD regulator > + - target-5v-supply : Defines the SATA 5V power regulator > + - target-12v-supply : Defines the SATA 12V power regulator No supplies on T210? The last 2 sound like board level supplies to the drive. > + > +Optional properties: > +- clock-names : > + - cml1 : > + cml1 clock should be defined here if the PHY driver > + doesn't manage them. If it does, they should not be. > -- > 2.7.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
