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bh=KQMVZFBYV3l7bj2x5noGMtlzW2OP8eFi+jkangDmvwU=; b=OuwRJ28MEDpfwvHjZxtbIq4aBReAj+xtlEw18A38E+dKzJO2hycnjQZYFe5+EBjRSs lU5DpAGgOsAFHVBd2FyRS8YMp80+h/c1PHsiEYcsiqlMOlBQY2BNgKJQQo2idmaKTWau lUMOCFUJ4IM5LO7PeS39cmqqoW0uz5t4eng3850QRIOmwH6G2PNIxqIHTtdToPig2LuM N3kYemgRcSbnKFClnqHkWoxhabEhZy31qFfhXwgUsGV0oIrsCgvr3ufTX21islIMkHpC J5ozBomVX3FY7BhKEcMGk22C0yY8Ma0Fg3uZHLVQCGkQy0HnvE2pHxKh9ahO+Buhxpzz DvFA== X-Gm-Message-State: APjAAAXKYUttBdm+tdHQ4jdA8duPEVnUzhIlRZeMnYpLEzL52U+kmP2c 5xjOxeW65xQgaDXv1Swa4lTuXOeEQNuJ X-Google-Smtp-Source: APXvYqxkecb+/acwzzKQ9MUPwhZ5gBo/wMvGEdXfYC8QdGg/6XfZ0F4qH1j+ozU73r5nAUIGPGvn1+J6kWdd X-Received: by 2002:a9d:6ad1:: with SMTP id m17mr10625475otq.108.1556221737304; Thu, 25 Apr 2019 12:48:57 -0700 (PDT) Date: Thu, 25 Apr 2019 12:48:53 -0700 Message-Id: <20190425194853.140617-1-venture@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.21.0.593.g511ec345e18-goog Subject: [PATCH 1/2] ARM: dts: aspeed: Add aspeed-p2a-ctrl node From: Patrick Venture To: venture@google.com, robh+dt@kernel.org, mark.rutland@arm.com, joel@jms.id.au, andrew@aj.id.au X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190425_124900_723327_2C79EE33 X-CRM114-Status: GOOD ( 10.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, arm@kernel.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add a node for the aspeed-p2a-ctrl module. This node, when enabled will disable the PCI-to-AHB bridge and then allow control of this bridge via ioctls, and access via mmap. Signed-off-by: Patrick Venture --- arch/arm/boot/dts/aspeed-g4.dtsi | 4 ++++ arch/arm/boot/dts/aspeed-g5.dtsi | 5 +++++ 2 files changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi index 9549f867aa1ef..0b7bc6072aed0 100644 --- a/arch/arm/boot/dts/aspeed-g4.dtsi +++ b/arch/arm/boot/dts/aspeed-g4.dtsi @@ -165,6 +165,10 @@ compatible = "aspeed,g4-pinctrl"; }; + p2a: p2a-control { + compatible = "aspeed,ast2400-p2a-ctrl"; + status = "disabled"; + }; }; rng: hwrng@1e6e2078 { diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi index 3e4ed081505cc..5f01befcca1e2 100644 --- a/arch/arm/boot/dts/aspeed-g5.dtsi +++ b/arch/arm/boot/dts/aspeed-g5.dtsi @@ -212,6 +212,11 @@ aspeed,external-nodes = <&gfx &lhc>; }; + + p2a: p2a-control { + compatible = "aspeed,ast2500-p2a-ctrl"; + status = "disabled"; + }; }; rng: hwrng@1e6e2078 {