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Sun, 08 Sep 2019 06:43:04 -0700 (PDT) From: Neil Armstrong To: khilman@baylibre.com, bhelgaas@google.com, lorenzo.pieralisi@arm.com, yue.wang@Amlogic.com, kishon@ti.com, devicetree@vger.kernel.org Subject: [PATCH 1/6] dt-bindings: pci: amlogic,meson-pcie: Add G12A bindings Date: Sun, 8 Sep 2019 13:42:53 +0000 Message-Id: <1567950178-4466-2-git-send-email-narmstrong@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1567950178-4466-1-git-send-email-narmstrong@baylibre.com> References: <1567950178-4466-1-git-send-email-narmstrong@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190908_064307_916209_4307ED8A X-CRM114-Status: GOOD ( 12.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neil Armstrong , maz@kernel.org, linux-kernel@vger.kernel.org, repk@triplefau.lt, linux-pci@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add PCIE bindings for the Amlogic G12A SoC, the support is the same but the PHY is shared with USB3 to control the differential lines. Thus this adds a phy phandle to control the PHY, and sets invalid MIPI clock as optional for G12A. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/pci/amlogic,meson-pcie.txt | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt b/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt index efa2c8b9b85a..84fdc422792e 100644 --- a/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt +++ b/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt @@ -9,13 +9,16 @@ Additional properties are described here: Required properties: - compatible: - should contain "amlogic,axg-pcie" to identify the core. + should contain : + - "amlogic,axg-pcie" for AXG SoC Family + - "amlogic,g12a-pcie" for G12A SoC Family + to identify the core. - reg: should contain the configuration address space. - reg-names: Must be - "elbi" External local bus interface registers - "cfg" Meson specific registers - - "phy" Meson PCIE PHY registers + - "phy" Meson PCIE PHY registers for AXG SoC Family - "config" PCIe configuration space - reset-gpios: The GPIO to generate PCIe PERST# assert and deassert signal. - clocks: Must contain an entry for each entry in clock-names. @@ -23,12 +26,13 @@ Required properties: - "pclk" PCIe GEN 100M PLL clock - "port" PCIe_x(A or B) RC clock gate - "general" PCIe Phy clock - - "mipi" PCIe_x(A or B) 100M ref clock gate + - "mipi" PCIe_x(A or B) 100M ref clock gate for AXG SoC Family - resets: phandle to the reset lines. - reset-names: must contain "phy" "port" and "apb" - - "phy" Share PHY reset + - "phy" Share PHY reset for AXG SoC Family - "port" Port A or B reset - "apb" Share APB reset +- phys: should contain a phandle to the shared phy for G12A SoC Family - device_type: should be "pci". As specified in designware-pcie.txt -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel