The APQ8064 and MSM8960 share a significant amount of clock data and code between the two SoCs. Rather than duplicating the data we just add support for a unqiue APQ8064 clock table into the MSM8960 code.
For now add just enough clocks to get a basic serial port going on an APQ8064 device. Signed-off-by: Kumar Gala <[email protected]> --- This patch is based on Stephen's qcom common clk init conslidation patch .../devicetree/bindings/clock/qcom,gcc.txt | 1 + drivers/clk/qcom/Kconfig | 4 +-- drivers/clk/qcom/gcc-msm8960.c | 30 +++++++++++++++++++--- 3 files changed, 30 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc.txt b/Documentation/devicetree/bindings/clock/qcom,gcc.txt index 74974d6..25ae79c 100644 --- a/Documentation/devicetree/bindings/clock/qcom,gcc.txt +++ b/Documentation/devicetree/bindings/clock/qcom,gcc.txt @@ -4,6 +4,7 @@ Qualcomm Global Clock & Reset Controller Binding Required properties : - compatible : shall contain only one of the following: + "qcom,gcc-apq8064" "qcom,gcc-ipq8064" "qcom,gcc-msm8660" "qcom,gcc-msm8960" diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 5d81f7d..4b1f2d7 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -21,10 +21,10 @@ config MSM_GCC_8660 i2c, USB, SD/eMMC, etc. config MSM_GCC_8960 - tristate "MSM8960 Global Clock Controller" + tristate "APQ8064/MSM8960 Global Clock Controller" depends on COMMON_CLK_QCOM help - Support for the global clock controller on msm8960 devices. + Support for the global clock controller on apq8064/msm8960 devices. Say Y if you want to use peripheral devices such as UART, SPI, i2c, USB, SD/eMMC, SATA, PCIe, etc. diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c index 633b019..8e2b6dd 100644 --- a/drivers/clk/qcom/gcc-msm8960.c +++ b/drivers/clk/qcom/gcc-msm8960.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013, The Linux Foundation. All rights reserved. + * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -2868,6 +2868,16 @@ static const struct qcom_reset_map gcc_msm8960_resets[] = { [RIVA_RESET] = { 0x35e0 }, }; +static struct clk_regmap *gcc_apq8064_clks[] = { + [PLL8] = &pll8.clkr, + [PLL8_VOTE] = &pll8_vote, + [GSBI7_UART_SRC] = &gsbi7_uart_src.clkr, + [GSBI7_UART_CLK] = &gsbi7_uart_clk.clkr, + [GSBI7_QUP_SRC] = &gsbi7_qup_src.clkr, + [GSBI7_QUP_CLK] = &gsbi7_qup_clk.clkr, + [GSBI7_H_CLK] = &gsbi7_h_clk.clkr, +}; + static const struct regmap_config gcc_msm8960_regmap_config = { .reg_bits = 32, .reg_stride = 4, @@ -2884,8 +2894,17 @@ static const struct qcom_cc_desc gcc_msm8960_desc = { .num_resets = ARRAY_SIZE(gcc_msm8960_resets), }; +static const struct qcom_cc_desc gcc_apq8064_desc = { + .config = &gcc_msm8960_regmap_config, + .clks = gcc_apq8064_clks, + .num_clks = ARRAY_SIZE(gcc_apq8064_clks), + .resets = gcc_msm8960_resets, + .num_resets = ARRAY_SIZE(gcc_msm8960_resets), +}; + static const struct of_device_id gcc_msm8960_match_table[] = { - { .compatible = "qcom,gcc-msm8960" }, + { .compatible = "qcom,gcc-msm8960", .data = &gcc_msm8960_desc }, + { .compatible = "qcom,gcc-apq8064", .data = &gcc_apq8064_desc }, { } }; MODULE_DEVICE_TABLE(of, gcc_msm8960_match_table); @@ -2894,6 +2913,11 @@ static int gcc_msm8960_probe(struct platform_device *pdev) { struct clk *clk; struct device *dev = &pdev->dev; + const struct of_device_id *match; + + match = of_match_device(gcc_msm8960_match_table, &pdev->dev); + if (!match) + return -EINVAL; /* Temporary until RPM clocks supported */ clk = clk_register_fixed_rate(dev, "cxo", NULL, CLK_IS_ROOT, 19200000); @@ -2904,7 +2928,7 @@ static int gcc_msm8960_probe(struct platform_device *pdev) if (IS_ERR(clk)) return PTR_ERR(clk); - return qcom_cc_probe(pdev, &gcc_msm8960_desc); + return qcom_cc_probe(pdev, match->data); } static int gcc_msm8960_remove(struct platform_device *pdev) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
