From: cb@sgoc.de (Christoph G. Baumann) Date: Wed, 3 Jul 2013 14:39:14 +0200 Subject: [PATCH 3/3] Added support for On Chip OTP in i.MX23/28 In-Reply-To: <1372855154-8422-1-git-send-email-cb@sgoc.de> References: <1372855154-8422-1-git-send-email-cb@sgoc.de> Message-ID: <1372855154-8422-4-git-send-email-cb@sgoc.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: "Christoph G. Baumann" Signed-off-by: Christoph G. Baumann --- arch/arm/boot/dts/imx28.dtsi | 1 - drivers/clk/mxs/clk-imx23.c | 2 ++ drivers/clk/mxs/clk-imx28.c | 1 + drivers/misc/Kconfig | 14 ++++++++++++++ drivers/misc/Makefile | 1 + 5 files changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 600f7cb..e9de86b 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -711,7 +711,6 @@ ocotp at 8002c000 { compatible = "fsl,ocotp"; reg = <0x8002c000 0x2000>; - status = "disabled"; }; axi-ahb at 8002e000 { diff --git a/drivers/clk/mxs/clk-imx23.c b/drivers/clk/mxs/clk-imx23.c index f6a7487..ec76d00 100644 --- a/drivers/clk/mxs/clk-imx23.c +++ b/drivers/clk/mxs/clk-imx23.c @@ -168,6 +168,8 @@ int __init mx23_clocks_init(void) clk_data.clk_num = ARRAY_SIZE(clks); of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); + clk_register_clkdev(clks[hbus], NULL, "hbus"); + for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clks[clks_init_on[i]]); diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c index 4faf0af..792fcaf 100644 --- a/drivers/clk/mxs/clk-imx28.c +++ b/drivers/clk/mxs/clk-imx28.c @@ -247,6 +247,7 @@ int __init mx28_clocks_init(void) of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); clk_register_clkdev(clks[enet_out], NULL, "enet_out"); + clk_register_clkdev(clks[hbus], NULL, "hbus"); for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clks[clks_init_on[i]]); diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index c002d86..b44ef48 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -527,6 +527,20 @@ config SRAM the genalloc API. It is supposed to be used for small on-chip SRAM areas found on many SoCs. +config FSL_OTP + tristate "Freescale On-Chip OTP Memory Support" + depends on SOC_IMX23 || SOC_IMX28 + default n + help + If you say Y here, you will get support for a SysFS interface for + the One Time Programmable memory pages that are stored on the + iMX23/28 processor. + + To compile this driver as a module, choose M here: the module + will be called fsl_otp. + + If unsure, it is safe to say N. + source "drivers/misc/c2port/Kconfig" source "drivers/misc/eeprom/Kconfig" source "drivers/misc/cb710/Kconfig" diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index c235d5b..e622e01 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -53,3 +53,4 @@ obj-$(CONFIG_INTEL_MEI) += mei/ obj-$(CONFIG_VMWARE_VMCI) += vmw_vmci/ obj-$(CONFIG_LATTICE_ECP3_CONFIG) += lattice-ecp3-config.o obj-$(CONFIG_SRAM) += sram.o +obj-$(CONFIG_FSL_OTP) += fsl_otp.o -- 1.7.9.5