diff options
Diffstat (limited to 'target/linux/ipq806x/patches/0046-mmc-sdhci-msm-Qualcomm-SDHCI-binding-documentation.patch')
| -rw-r--r-- | target/linux/ipq806x/patches/0046-mmc-sdhci-msm-Qualcomm-SDHCI-binding-documentation.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches/0046-mmc-sdhci-msm-Qualcomm-SDHCI-binding-documentation.patch b/target/linux/ipq806x/patches/0046-mmc-sdhci-msm-Qualcomm-SDHCI-binding-documentation.patch new file mode 100644 index 0000000000..b173fcfc1d --- /dev/null +++ b/target/linux/ipq806x/patches/0046-mmc-sdhci-msm-Qualcomm-SDHCI-binding-documentation.patch @@ -0,0 +1,81 @@ +From 8a70c89b2fbb635a8d4fec302165343827aeed9f Mon Sep 17 00:00:00 2001 +From: Georgi Djakov <gdjakov@mm-sol.com> +Date: Mon, 10 Mar 2014 17:37:11 +0200 +Subject: [PATCH 046/182] mmc: sdhci-msm: Qualcomm SDHCI binding documentation + +This patch adds the device-tree binding documentation for Qualcomm +SDHCI driver. It contains the differences between the core properties +in mmc.txt and the properties used by the sdhci-msm driver. + +Signed-off-by: Georgi Djakov <gdjakov@mm-sol.com> +Acked-by: Ulf Hansson <ulf.hansson@linaro.org> +Signed-off-by: Chris Ball <chris@printf.net> +--- + .../devicetree/bindings/mmc/sdhci-msm.txt | 55 ++++++++++++++++++++ + 1 file changed, 55 insertions(+) + create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-msm.txt + +diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt +new file mode 100644 +index 0000000..81b33b5 +--- /dev/null ++++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt +@@ -0,0 +1,55 @@ ++* Qualcomm SDHCI controller (sdhci-msm) ++ ++This file documents differences between the core properties in mmc.txt ++and the properties used by the sdhci-msm driver. ++ ++Required properties: ++- compatible: Should contain "qcom,sdhci-msm-v4". ++- reg: Base address and length of the register in the following order: ++ - Host controller register map (required) ++ - SD Core register map (required) ++- interrupts: Should contain an interrupt-specifiers for the interrupts: ++ - Host controller interrupt (required) ++- pinctrl-names: Should contain only one value - "default". ++- pinctrl-0: Should specify pin control groups used for this controller. ++- clocks: A list of phandle + clock-specifier pairs for the clocks listed in clock-names. ++- clock-names: Should contain the following: ++ "iface" - Main peripheral bus clock (PCLK/HCLK - AHB Bus clock) (required) ++ "core" - SDC MMC clock (MCLK) (required) ++ "bus" - SDCC bus voter clock (optional) ++ ++Example: ++ ++ sdhc_1: sdhci@f9824900 { ++ compatible = "qcom,sdhci-msm-v4"; ++ reg = <0xf9824900 0x11c>, <0xf9824000 0x800>; ++ interrupts = <0 123 0>; ++ bus-width = <8>; ++ non-removable; ++ ++ vmmc = <&pm8941_l20>; ++ vqmmc = <&pm8941_s3>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&sdc1_clk &sdc1_cmd &sdc1_data>; ++ ++ clocks = <&gcc GCC_SDCC1_APPS_CLK>, <&gcc GCC_SDCC1_AHB_CLK>; ++ clock-names = "core", "iface"; ++ }; ++ ++ sdhc_2: sdhci@f98a4900 { ++ compatible = "qcom,sdhci-msm-v4"; ++ reg = <0xf98a4900 0x11c>, <0xf98a4000 0x800>; ++ interrupts = <0 125 0>; ++ bus-width = <4>; ++ cd-gpios = <&msmgpio 62 0x1>; ++ ++ vmmc = <&pm8941_l21>; ++ vqmmc = <&pm8941_l13>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&sdc2_clk &sdc2_cmd &sdc2_data>; ++ ++ clocks = <&gcc GCC_SDCC2_APPS_CLK>, <&gcc GCC_SDCC2_AHB_CLK>; ++ clock-names = "core", "iface"; ++ }; +-- +1.7.10.4 + |