From d1c777ee5c5e0a08755ee39f6dc4d222bfd9c832 Mon Sep 17 00:00:00 2001 From: "周琰杰 (Zhou Yanjie)" Date: Thu, 10 Jun 2021 20:58:50 +0800 Subject: mmc: JZ4740: Add support for JZ4775 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add support for the variant on the JZ4775 SoC from Ingenic. Let's also clarify that the drive clock selection and sample clock selection have been supported since JZ4775, not X1000. So, support for these two functions has been added for JZ4775 and JZ4780. Signed-off-by: 周琰杰 (Zhou Yanjie) Acked-by: Paul Cercueil Link: https://lore.kernel.org/r/1623329930-14387-3-git-send-email-zhouyanjie@wanyeetech.com Signed-off-by: Ulf Hansson --- drivers/mmc/host/jz4740_mmc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c index 861ff6d9661a..0db17bcc9c16 100644 --- a/drivers/mmc/host/jz4740_mmc.c +++ b/drivers/mmc/host/jz4740_mmc.c @@ -674,7 +674,7 @@ static void jz4740_mmc_send_command(struct jz4740_mmc_host *host, cmdat |= JZ_MMC_CMDAT_WRITE; if (host->use_dma) { /* - * The 4780's MMC controller has integrated DMA ability + * The JZ4780's MMC controller has integrated DMA ability * in addition to being able to use the external DMA * controller. It moves DMA control bits to a separate * register. The DMA_SEL bit chooses the external @@ -866,7 +866,7 @@ static int jz4740_mmc_set_clock_rate(struct jz4740_mmc_host *host, int rate) writew(div, host->base + JZ_REG_MMC_CLKRT); if (real_rate > 25000000) { - if (host->version >= JZ_MMC_X1000) { + if (host->version >= JZ_MMC_JZ4780) { writel(JZ_MMC_LPM_DRV_RISING_QTR_PHASE_DLY | JZ_MMC_LPM_SMP_RISING_QTR_OR_HALF_PHASE_DLY | JZ_MMC_LPM_LOW_POWER_MODE_EN, @@ -959,6 +959,7 @@ static const struct of_device_id jz4740_mmc_of_match[] = { { .compatible = "ingenic,jz4740-mmc", .data = (void *) JZ_MMC_JZ4740 }, { .compatible = "ingenic,jz4725b-mmc", .data = (void *)JZ_MMC_JZ4725B }, { .compatible = "ingenic,jz4760-mmc", .data = (void *) JZ_MMC_JZ4760 }, + { .compatible = "ingenic,jz4775-mmc", .data = (void *) JZ_MMC_JZ4780 }, { .compatible = "ingenic,jz4780-mmc", .data = (void *) JZ_MMC_JZ4780 }, { .compatible = "ingenic,x1000-mmc", .data = (void *) JZ_MMC_X1000 }, {}, -- cgit v1.2.3-59-g8ed1b