diff options
Diffstat (limited to 'target/linux/ramips/patches-3.10/0022-MIPS-add-driver-for-the-built-in-PCI-controller-of-the-RT3883-SoC.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.10/0022-MIPS-add-driver-for-the-built-in-PCI-controller-of-the-RT3883-SoC.patch | 65 |
1 files changed, 51 insertions, 14 deletions
diff --git a/target/linux/ramips/patches-3.10/0022-MIPS-add-driver-for-the-built-in-PCI-controller-of-the-RT3883-SoC.patch b/target/linux/ramips/patches-3.10/0022-MIPS-add-driver-for-the-built-in-PCI-controller-of-the-RT3883-SoC.patch index e7e01d14f7..4bea70291c 100644 --- a/target/linux/ramips/patches-3.10/0022-MIPS-add-driver-for-the-built-in-PCI-controller-of-the-RT3883-SoC.patch +++ b/target/linux/ramips/patches-3.10/0022-MIPS-add-driver-for-the-built-in-PCI-controller-of-the-RT3883-SoC.patch @@ -1,15 +1,16 @@ -From patchwork Fri Aug 9 16:03:32 2013 +From patchwork Fri Aug 23 12:03:20 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit -Subject: MIPS: add driver for the built-in PCI controller of the RT3883 SoC +Subject: [v3] MIPS: add driver for the built-in PCI controller of the RT3883 + SoC From: Gabor Juhos <juhosg@openwrt.org> -X-Patchwork-Id: 5687 -Message-Id: <1376064212-28415-1-git-send-email-juhosg@openwrt.org> +X-Patchwork-Id: 5758 +Message-Id: <1377259400-21211-1-git-send-email-juhosg@openwrt.org> To: Ralf Baechle <ralf@linux-mips.org> -Cc: linux-mips@linux-mips.org, John Crispin <blogic@openwrt.org>, - Gabor Juhos <juhosg@openwrt.org>, devicetree@vger.kernel.org -Date: Fri, 9 Aug 2013 18:03:32 +0200 +Cc: linux-mips@linux-mips.org, Gabor Juhos <juhosg@openwrt.org>, + devicetree@vger.kernel.org +Date: Fri, 23 Aug 2013 14:03:20 +0200 The Ralink RT3883 SoCs have a built-in PCI Host Controller device. The patch adds a platform driver and device tree @@ -23,17 +24,32 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Acked-by: John Crispin <blogic@openwrt.org> --- -.../devicetree/bindings/pci/ralink,rt3883-pci.txt | 169 ++++++ +Changes since v2: + - fix compiler warning: + + CC arch/mips/pci/pci-rt3883.o + arch/mips/pci/pci-rt3883.c: In function 'rt3883_pci_probe': + arch/mips/pci/pci-rt3883.c:458:4: warning: use of 'h' length modifier with 'a' type character [-Wformat] + +Changes since v1: + - change the 'status' property to optional in the binding doc + - add board specific example to the binding doc + +rt3883-pci: fix-build-warning + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + .../devicetree/bindings/pci/ralink,rt3883-pci.txt | 190 ++++++ arch/mips/pci/Makefile | 1 + arch/mips/pci/pci-rt3883.c | 636 ++++++++++++++++++++ arch/mips/ralink/Kconfig | 1 + - 4 files changed, 807 insertions(+) + 4 files changed, 828 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/ralink,rt3883-pci.txt create mode 100644 arch/mips/pci/pci-rt3883.c --- /dev/null +++ b/Documentation/devicetree/bindings/pci/ralink,rt3883-pci.txt -@@ -0,0 +1,169 @@ +@@ -0,0 +1,190 @@ +* Mediatek/Ralink RT3883 PCI controller + +1) Main node @@ -54,7 +70,10 @@ Acked-by: John Crispin <blogic@openwrt.org> + - ranges: specifies the translation between child address space and parent + address space + -+ - status: either "disabled" or "okay" ++ Optional properties: ++ ++ - status: indicates the operational status of the device. ++ Value must be either "disabled" or "okay". + +2) Child nodes + @@ -113,8 +132,6 @@ Acked-by: John Crispin <blogic@openwrt.org> + + - device_type: must be "pci" + -+ - status: either "disabled" or "okay" -+ + If a given sub-node represents a PCI bridge it must have following + mandatory properties as well: + @@ -128,8 +145,16 @@ Acked-by: John Crispin <blogic@openwrt.org> + - interrupt-map: standard PCI properties to define the mapping of the + PCI interface to interrupt numbers. + ++ Besides the required properties the sub-nodes may have these optional ++ properties: ++ ++ - status: indicates the operational status of the sub-node. ++ Value must be either "disabled" or "okay". ++ +3) Example: + ++ a) SoC specific dtsi file: ++ + pci@10140000 { + compatible = "ralink,rt3883-pci"; + reg = <0x10140000 0x20000>; @@ -203,6 +228,18 @@ Acked-by: John Crispin <blogic@openwrt.org> + }; + }; + }; ++ ++ b) Board specific dts file: ++ ++ pci@10140000 { ++ status = "okay"; ++ ++ host-bridge { ++ pci-bridge@1 { ++ status = "okay"; ++ }; ++ }; ++ }; --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -41,6 +41,7 @@ obj-$(CONFIG_SIBYTE_BCM1x80) += pci-bcm1 @@ -671,7 +708,7 @@ Acked-by: John Crispin <blogic@openwrt.org> + } + + if (!rpc->intc_of_node) { -+ dev_err(dev, "% has no %s child node", ++ dev_err(dev, "%s has no %s child node", + of_node_full_name(rpc->intc_of_node), + "interrupt controller"); + return -EINVAL; |