diff options
Diffstat (limited to 'target/linux/ipq806x/patches/0088-soc-qcom-Add-device-tree-binding-for-GSBI.patch')
| -rw-r--r-- | target/linux/ipq806x/patches/0088-soc-qcom-Add-device-tree-binding-for-GSBI.patch | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches/0088-soc-qcom-Add-device-tree-binding-for-GSBI.patch b/target/linux/ipq806x/patches/0088-soc-qcom-Add-device-tree-binding-for-GSBI.patch new file mode 100644 index 0000000000..39762c1be7 --- /dev/null +++ b/target/linux/ipq806x/patches/0088-soc-qcom-Add-device-tree-binding-for-GSBI.patch @@ -0,0 +1,135 @@ +From 5a58dbf4d82c29f7e6d89abc3520bed1aa2af05c Mon Sep 17 00:00:00 2001 +From: Andy Gross <agross@codeaurora.org> +Date: Thu, 24 Apr 2014 11:31:20 -0500 +Subject: [PATCH 088/182] soc: qcom: Add device tree binding for GSBI + +Add device tree binding support for the QCOM GSBI driver. + +Signed-off-by: Andy Gross <agross@codeaurora.org> +Signed-off-by: Kumar Gala <galak@codeaurora.org> +--- + .../devicetree/bindings/soc/qcom/qcom,gsbi.txt | 78 ++++++++++++++++++++ + include/dt-bindings/soc/qcom,gsbi.h | 26 +++++++ + 2 files changed, 104 insertions(+) + create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt + create mode 100644 include/dt-bindings/soc/qcom,gsbi.h + +diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt +new file mode 100644 +index 0000000..4ce24d4 +--- /dev/null ++++ b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt +@@ -0,0 +1,78 @@ ++QCOM GSBI (General Serial Bus Interface) Driver ++ ++The GSBI controller is modeled as a node with zero or more child nodes, each ++representing a serial sub-node device that is mux'd as part of the GSBI ++configuration settings. The mode setting will govern the input/output mode of ++the 4 GSBI IOs. ++ ++Required properties: ++- compatible: must contain "qcom,gsbi-v1.0.0" for APQ8064/IPQ8064 ++- reg: Address range for GSBI registers ++- clocks: required clock ++- clock-names: must contain "iface" entry ++- qcom,mode : indicates MUX value for configuration of the serial interface. ++ Please reference dt-bindings/soc/qcom,gsbi.h for valid mux values. ++ ++Optional properties: ++- qcom,crci : indicates CRCI MUX value for QUP CRCI ports. Please reference ++ dt-bindings/soc/qcom,gsbi.h for valid CRCI mux values. ++ ++Required properties if child node exists: ++- #address-cells: Must be 1 ++- #size-cells: Must be 1 ++- ranges: Must be present ++ ++Properties for children: ++ ++A GSBI controller node can contain 0 or more child nodes representing serial ++devices. These serial devices can be a QCOM UART, I2C controller, spi ++controller, or some combination of aforementioned devices. ++ ++See the following for child node definitions: ++Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt ++Documentation/devicetree/bindings/spi/qcom,spi-qup.txt ++Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt ++ ++Example for APQ8064: ++ ++#include <dt-bindings/soc/qcom,gsbi.h> ++ ++ gsbi4@16300000 { ++ compatible = "qcom,gsbi-v1.0.0"; ++ reg = <0x16300000 0x100>; ++ clocks = <&gcc GSBI4_H_CLK>; ++ clock-names = "iface"; ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ranges; ++ qcom,mode = <GSBI_PROT_I2C_UART>; ++ qcom,crci = <GSBI_CRCI_QUP>; ++ ++ /* child nodes go under here */ ++ ++ i2c_qup4: i2c@16380000 { ++ compatible = "qcom,i2c-qup-v1.1.1"; ++ reg = <0x16380000 0x1000>; ++ interrupts = <0 153 0>; ++ ++ clocks = <&gcc GSBI4_QUP_CLK>, <&gcc GSBI4_H_CLK>; ++ clock-names = "core", "iface"; ++ ++ clock-frequency = <200000>; ++ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ }; ++ ++ uart4: serial@16340000 { ++ compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm"; ++ reg = <0x16340000 0x1000>, ++ <0x16300000 0x1000>; ++ interrupts = <0 152 0x0>; ++ clocks = <&gcc GSBI4_UART_CLK>, <&gcc GSBI4_H_CLK>; ++ clock-names = "core", "iface"; ++ status = "ok"; ++ }; ++ }; ++ +diff --git a/include/dt-bindings/soc/qcom,gsbi.h b/include/dt-bindings/soc/qcom,gsbi.h +new file mode 100644 +index 0000000..7ac4292 +--- /dev/null ++++ b/include/dt-bindings/soc/qcom,gsbi.h +@@ -0,0 +1,26 @@ ++/* Copyright (c) 2013, The Linux Foundation. All rights reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 and ++ * only version 2 as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ */ ++#ifndef __DT_BINDINGS_QCOM_GSBI_H ++#define __DT_BINDINGS_QCOM_GSBI_H ++ ++#define GSBI_PROT_IDLE 0 ++#define GSBI_PROT_I2C_UIM 1 ++#define GSBI_PROT_I2C 2 ++#define GSBI_PROT_SPI 3 ++#define GSBI_PROT_UART_W_FC 4 ++#define GSBI_PROT_UIM 5 ++#define GSBI_PROT_I2C_UART 6 ++ ++#define GSBI_CRCI_QUP 0 ++#define GSBI_CRCI_UART 1 ++ ++#endif +-- +1.7.10.4 + |