From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: [PATCH 2/4] mmc: mtk-sd: add support for config found in mt7620 family SOCs. Date: Sat, 04 May 2019 20:24:56 +1000 Message-ID: <155696549676.8632.14384982012480111613.stgit@noble.brown> References: <155696540998.8632.5242582397805128125.stgit@noble.brown> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <155696540998.8632.5242582397805128125.stgit@noble.brown> Sender: linux-kernel-owner@vger.kernel.org To: Ulf Hansson , Chaotian Jing Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, thirtythreeforty@gmail.com List-Id: linux-mmc@vger.kernel.org mt7620 family MIPS SOCs contain the mtk-sd silicon. Add support for this. Signed-off-by: NeilBrown --- Documentation/devicetree/bindings/mmc/mtk-sd.txt | 1 + drivers/mmc/host/mtk-sd.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt index 91a2ec59e497..8a532f4453f2 100644 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -16,6 +16,7 @@ Required properties: "mediatek,mt2712-mmc": for mmc host ip compatible with mt2712 "mediatek,mt7622-mmc": for MT7622 SoC "mediatek,mt7623-mmc", "mediatek,mt2701-mmc": for MT7623 SoC + "mediatek,mt7620-mmc", for MT7621 SoC (and others) - reg: physical base address of the controller and length - interrupts: Should contain MSDC interrupt number diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 469d4a717175..0c2be4f54b1f 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -517,6 +517,17 @@ static const struct mtk_mmc_compatible mt8516_compat = { .stop_clk_fix = true, }; +static const struct mtk_mmc_compatible mt7620_compat = { + .clk_div_bits = 8, + .hs400_tune = false, + .pad_tune_reg = MSDC_PAD_TUNE, + .async_fifo = false, + .data_tune = false, + .busy_check = false, + .stop_clk_fix = false, + .enhance_rx = false, +}; + static const struct of_device_id msdc_of_ids[] = { { .compatible = "mediatek,mt8135-mmc", .data = &mt8135_compat}, { .compatible = "mediatek,mt8173-mmc", .data = &mt8173_compat}, @@ -525,6 +536,7 @@ static const struct of_device_id msdc_of_ids[] = { { .compatible = "mediatek,mt2712-mmc", .data = &mt2712_compat}, { .compatible = "mediatek,mt7622-mmc", .data = &mt7622_compat}, { .compatible = "mediatek,mt8516-mmc", .data = &mt8516_compat}, + { .compatible = "mediatek,mt7620-mmc", .data = &mt7620_compat}, {} }; MODULE_DEVICE_TABLE(of, msdc_of_ids);