From mboxrd@z Thu Jan 1 00:00:00 1970 From: narmstrong@baylibre.com (Neil Armstrong) Date: Fri, 23 Jun 2017 10:22:24 +0200 Subject: [PATCH v3 1/3] dt-bindings: arm: amlogic: Add SoC information bindings In-Reply-To: <20170622212449.wsck475jxabawqsv@rob-hp-laptop> References: <1497441946-24379-1-git-send-email-narmstrong@baylibre.com> <1497441946-24379-2-git-send-email-narmstrong@baylibre.com> <20170622212449.wsck475jxabawqsv@rob-hp-laptop> Message-ID: To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org On 06/22/2017 11:24 PM, Rob Herring wrote: > On Wed, Jun 14, 2017 at 02:05:44PM +0200, Neil Armstrong wrote: >> Add bindings for the SoC information register of the Amlogic SoCs. >> >> Signed-off-by: Neil Armstrong >> --- >> Documentation/devicetree/bindings/arm/amlogic.txt | 29 +++++++++++++++++++++++ >> 1 file changed, 29 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt >> index 5c01e65..a6d8754 100644 >> --- a/Documentation/devicetree/bindings/arm/amlogic.txt >> +++ b/Documentation/devicetree/bindings/arm/amlogic.txt >> @@ -60,3 +60,32 @@ Board compatible values (alphabetically, grouped by SoC): >> - "amlogic,q201" (Meson gxm s912) >> - "kingnovel,r-box-pro" (Meson gxm S912) >> - "nexbox,a1" (Meson gxm s912) >> + >> +Amlogic Meson Firmware registers Interface >> +------------------------------------------ >> + >> +The Meson SoCs have a register bank with status and data shared with the >> +secure firmware. >> + >> +Required properties: >> + - compatible: For Meson GX SoCs, must be "amlogic,meson-gx-ao-secure", "syscon" >> + >> +Properties should indentify components of this register interface : >> + >> +Meson GX SoC Information >> +------------------------ >> +A firmware register encodes the SoC type, package and revision information on >> +the Meson GX SoCs. >> +If present, the following property should be added : >> + >> +Optional properties: >> + - has-chip-id: If present, the interface gives the current SoC version. > > amlogic,has-chip-id OK, thanks I'll send a v3.1 with this small change. Neil > > With that, > > Acked-by: Rob Herring > >> + >> +Example >> +------- >> + >> +ao-secure at 140 { >> + compatible = "amlogic,meson-gx-ao-secure", "syscon"; >> + reg = <0x0 0x140 0x0 0x140>; >> + has-chip-id; >> +}; >> -- >> 1.9.1 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe devicetree" in >> the body of a message to majordomo at vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html